Oki ML395C Service Manual

Oki ML395C Manual

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  • Oki ML395C | Service Manual - Page 1
    Service Guide ML395/395C Chapter 0 About This Manual Page: 1 ML395 // ML395C Dot Matrix Printers Adobe Acrobat printable reference copy of the OKIDATA Service Training Manual. 09/17/97 Note: This Adobe Acrobat version of the Okidata Service Training Manual was built with the pictures rendered at
  • Oki ML395C | Service Manual - Page 2
    Table of Contents Service Guide ML395/395C 0 About This Manual Front Cover ....Manual Copyright 1 Product /Assembly Procedures - General Information ....3.2.01 Preliminary Items Printhead ....3.2.02 Ribbon Guide ....3.2.03 Ribbon Protector ....3.2.04 Upper Cover Assembly Page 1 2 3 4 5
  • Oki ML395C | Service Manual - Page 3
    Supply Unit ....3.2.24 Ribbon Shift Arm Spring / Ribbon Shift Arm ....3.2.25 Roller Lever ....3.2.26 Ribbon Guide ....3.2.27 Bail Open Cam and Bail Open Gear ....3.2.28 Ribbon Shift Cam and Ribbon Shift Gear ....3.2.29 Ribbon Shift Cam Lever Assembly ....3.2.30 Printer Unit ....3.2.31 BTFD Printed
  • Oki ML395C | Service Manual - Page 4
    Options) 3.6 Shipping Instructions - Return For Service ....3.6.02 All Other Returns 4 Failure & Repair Analysis 4.1 Overview ....4.1.02 Printer Serial Number Identification 4.2 Reporting Problems - General Information ....4.2.02 Problem Lists ....4.2.03 Reporting Methods 4.3 Troubleshooting Updates
  • Oki ML395C | Service Manual - Page 5
    Table of Contents ........RAP 10C: Serial Interface Problem ........RAP 10D: Data Receive Failure (Alarm Light Lit) ........RAP 11: Color Ribbon Shift Problem 4.8 Printer Tests ....4.8.02 Font Test ....4.8.03 Serial Interface - Loopback Test ....4.8.04 Hexadecimal Dump 4.9 Resistance Checks -
  • Oki ML395C | Service Manual - Page 6
    Table of Contents ....B.2.14 Pull Tractor Assembly (Option) ....B.2.15 Bottom Tractor Feed Unit (Push) [BTF] (Option) ....B.2.16 BTF Pull-Up Roller Assembly (Option) ....B.2.17 Consumables ....B.2.18 Packing Materials ....B.2.19 Documentation Page 162 163 164 165 166 167
  • Oki ML395C | Service Manual - Page 7
    Company, Ltd. MICROLINE is a registered trademark of Oki Electric Industry Company, Ltd.; marque depose de Oki Electric Industry Company, Ltd. Centronics is a registered trademark of the Centronics Data Computer Corp. Epson is a registered trademark of Seiko Epson Corporation. IBM is a registered
  • Oki ML395C | Service Manual - Page 8
    the Epson LQ 850/1050 or the IBM Proprinter XL24 printers. The Microline 395C emulates the Epson LQ 2550, Epson LQ850/1050 or the IBM Proprinter XL24. Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this
  • Oki ML395C | Service Manual - Page 9
    Service Guide ML395/395C Chapter 1 Product Specifications Page: 4 1.2 PRODUCT SPECIFICATIONS 1.2.01 Paper Feed Method Built-in push tractor Friction feed 1.2.02 Paper Path Bottom Feed Rear Feed Top
  • Oki ML395C | Service Manual - Page 10
    ) slew rate @ gap 3+ 1.2.10 Paper Out Detection Printhead distance from edge of paper when End of Paper is detected Rear Feed: 5.8" Bottom Feed: 2.4" Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the
  • Oki ML395C | Service Manual - Page 11
    Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 12
    Service Guide ML395/395C Chapter 1 Product Specifications Page: 5 1.3 PAPER SPECIFICATIONS 1.3. inches (Rear Feed) .020 inches (Bottom Feed) Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material.
  • Oki ML395C | Service Manual - Page 13
    Service Guide ML395/395C Chapter 1 Product Specifications Page: 6 1.4 PHYSICAL SPECIFICATIONS 1.4.01 Printer Dimensions Width: 16.42" Height: 7.09" Length: 22.44" 1.4.02 Printer Weight 37 lbs. Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business
  • Oki ML395C | Service Manual - Page 14
    Service Guide ML395/395C Chapter 1 Product Specifications Page: 7 1.5 POWER REQUIREMENTS 1.5.01 Input Power Input Voltage 120 VAC +10%, -15% 220/240 +10%, -15% Frequency 50/60 hz. +/-2% 1.5.02 Power Consumption During Self Test : 180 VA During Standby : 60 VA Copyright 1997, Okidata, Division of
  • Oki ML395C | Service Manual - Page 15
    storage: 14°F to 122°F @ 5% - 95% Relative Humidity 1.6.02 Printer Noise Level (10 cpi - LQ Mode) Standard noise level: 58 dba Quite mode noise level: 56 dba Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to
  • Oki ML395C | Service Manual - Page 16
    Service Guide ML395/395C Chapter 1 Product Specifications Page: 9 1.7 AGENCY APPROVALS North America FCC Class B UL 1950 - D3 CSA 950 - D3 Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (
  • Oki ML395C | Service Manual - Page 17
    Service Guide ML395/395C Chapter 1 Product Specifications Page: 10 1.8 OPTIONS 1.8.01 Cut Sheet Push Tractor must be used to feed labels. Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material.
  • Oki ML395C | Service Manual - Page 18
    characters Yellow: 1.3 million characters 1.9.03 Film Ribbon Can be used in both the Microline 395 and Microline 395C. Ribbon Life 400K Characters at 10 cpi in LQ mode Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any
  • Oki ML395C | Service Manual - Page 19
    Service Guide ML395/395C Chapter 1 Product Specifications Page: 12 1.10 MEMORY 10.03 EEPROM Internal Control, Menu = 256 bits Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (
  • Oki ML395C | Service Manual - Page 20
    Service Guide ML395/395C Chapter 1 Product Specifications Page: 13 1 . 1 1 P R I N T E R R E L I A B I L I T Y 1 . 1 1 . 0 1 M e a n T i m e B e t w e e n F
  • Oki ML395C | Service Manual - Page 21
    a i l u r e ( M T B F ) 8 , 0 0 0 h o u r s @ 2 5 % D u t y C y c l e , 3 5 % P a g e D e n s i t y 1 .
  • Oki ML395C | Service Manual - Page 22
    1 1 . 0 2 M e a n T i m e T o R e p a i r ( M T T R ) 1 5 m i n u t e s @ m a j o r s u b a s s e m b l
  • Oki ML395C | Service Manual - Page 23
    y l e v e l 1 . 1 1 . 0 3 P r i n t e r L i f e 1 2 , 0 0 0 h o u r s @ 2 5 % D u t y , 3 5 % P a g e D
  • Oki ML395C | Service Manual - Page 24
    e n s i t y 1 . 1 1 . 0 4 P r i n t h e a d L i f e 2 0 0 M i l l i o n C h a r a c t e r s ( a v e r
  • Oki ML395C | Service Manual - Page 25
    a g e ) @ 1 0 c p i D r a f t M o d e @ 2 5 % D u t y C y c l e , 3 5 % P a g e D e n s i t y Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 26
    Service Guide ML395/395C Chapter 2 Principles of Operation Page: 14 2.1 ELECTRICAL distributed via the connectors on the Control Board. Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material
  • Oki ML395C | Service Manual - Page 27
    Service Guide ML395/ 2764) This Program ROM contains the control program for the printer. The slave microprocessor operates by execution of this program. data. Motor Control LSI (Q9: MSM6990) This LSI controls the following functions: Space Motor Speed Control To obtain the carriage speed instructed
  • Oki ML395C | Service Manual - Page 28
    : LC92018B-728) This LSI is connected between the Master and Slave MPUs and performs these functions. Master/Slave MPU Interface Transfers commands and data between the Master and Slave MPUs Memory Control Extends the addressable memory by switching banks in/out Dynamic RAM Refresh Block Diagram of
  • Oki ML395C | Service Manual - Page 29
    Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 30
    , bail and ribbon (color model only) are homed. The program finally establishes the interface signals (output level of ACK, BUSY, etc.), then turns the SELECT lamp ON to inform the host computer that the printer is ready to receive data. Copyright 1997, Okidata, Division of OKI America, Inc. All
  • Oki ML395C | Service Manual - Page 31
    Service Guide ML395/395C Chapter 2 Principles of Operation Page: 17 2.1.04 Interface Control The Microline 395 is capable of to the host to request more data. The BUSY signal is also turned ON when the printer is not able to receive data (buffer is full, printer is deselected or an error condition
  • Oki ML395C | Service Manual - Page 32
    converted from TTL levels to RS232-C levels by the line driver (Q2) and sent to the serial interface connector. Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 33
    Service Guide ML395/395C Chapter 2 Principles of Operation Page: 18 2.1.05 Printhead the fluctuation of drive voltage (+38 vdc).2-1-04B.pcx Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material.
  • Oki ML395C | Service Manual - Page 34
    Service Guide ML395 the Motor Control LSI varies the pulse duty cycle according to the speed data from the Slave MPU. The SPMO FOW or SPMO REV signal from Dot Timing. Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for
  • Oki ML395C | Service Manual - Page 35
    Service Guide ML395/395C Chapter 2 Principles of Operation Page: 20 2.1.07 Line Feed proper phase relationship for driving the motor. Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material
  • Oki ML395C | Service Manual - Page 36
    Service Guide ML395/395C Chapter 2 Principles of Operation Page: 21 2.1.08 Alarm Circuits Fault Alarm Circuit (in Power Supply Unit) This protective circuit turns off the Power Supply when a fault occurs in the printhead, line feed, or bail/ribbon motor drive circuits, thus preventing secondary
  • Oki ML395C | Service Manual - Page 37
    Service Guide ML395/395C Chapter 2 Principles of Operation Page: guide. When the printer detects an out of paper condition, the PE-N signal goes low, the printing is stopped and the ALARM LAMP is turned ON. Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA
  • Oki ML395C | Service Manual - Page 38
    the Main Control Board upon detection of an overdrive condition in the printhead LF motor or bail/ribbon motor drive circuits. Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx
  • Oki ML395C | Service Manual - Page 39
    Service Guide ML395/395C Chapter 2 Principles of Operation Page: 24 2.2 MECHANICAL OPERATION 2.2.01 The Printhead Mechanism The Microline (which is attached to the armature) strikes the ribbon and imprints a dot on the paper. When current of the printer mechanism. When the lever is moved the
  • Oki ML395C | Service Manual - Page 40
    Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 41
    Service Guide ML395/395C Chapter 2 Principles of Operation Page: 25 2.2.02 Spacing 1.6 inches when the servo motor performs one rotation. Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material.
  • Oki ML395C | Service Manual - Page 42
    Service Guide ML395/395C Chapter 2 Principles of Operation Page: 26 2.2.03 Ribbon Drive The ribbon drive mechanism moves the ribbon in synchronization with the space motor operation. The ribbon drive mechanism consists of the following items. Ribbon Drive Assembly Ribbon Cartridge Ribbon Cartridge
  • Oki ML395C | Service Manual - Page 43
    Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 44
    Service Guide ML395/395C Chapter 2 Principles of Operation Page: 27 2.2.04 Paper Feed . Pulse Motor (with gears) Idler Gear Change Spring Change Gear Platen Tractor Feed Unit Paper Pressure Guide Friction Feed When the release lever is set to the SHEET FEED position, the change gear is disengaged
  • Oki ML395C | Service Manual - Page 45
    . At the same time, the release lever pushes the pressure rollers away from the platen, allowing paper to be fed by the tractors. Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx
  • Oki ML395C | Service Manual - Page 46
    Service Guide ML395/395C Chapter 2 Principles of Operation Page: 28 2.2.05 Paper-End Detection Cut-Sheet Paper-End When the release lever is in the SHEET FEED position, the photosensor located in the paper pressure guide is active. If sheet paper is installed, the paper is detected by the sensor
  • Oki ML395C | Service Manual - Page 47
    , pressure is placed on the microswitch, located in the left push tractor. Since the switch is turned ON, paper is detected. Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx
  • Oki ML395C | Service Manual - Page 48
    Service Guide ML395 the Continuous Sheet side (front of printer). 2. Insert the paper into the push tractor. The white guide line on the tractor MUST be visible -end condition. Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX)
  • Oki ML395C | Service Manual - Page 49
    Service Guide ML395/395C Chapter 2 Principles of Operation Page: 30 2.2.07 Paper Park the push tractor, but out of the printing path. Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http
  • Oki ML395C | Service Manual - Page 50
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 31 3.1 MAINTENANCE 3.1.01 General service calls. Cleaning procedures must be performed correctly if high print quality is to be achieved. Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA
  • Oki ML395C | Service Manual - Page 51
    ) 3/32 inch socket with driver Feeler Gauge Digital Multimeter Shop Vacuum Cloth (soft and lint-free) All-Purpose Cleaner Dow Corning Molycoat BR-2 or Molycoat ME-300L or equivalent Contact Kleen (Okidata P/N 51802301) Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved
  • Oki ML395C | Service Manual - Page 52
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 33 3.1.03 Maintenance Precautions 1. Do procedures when replacing assemblies and units. Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to
  • Oki ML395C | Service Manual - Page 53
    procedures while servicing the unit. Be sure to read all notes, cautions, and warnings, as they contain important information regarding disassembly / assembly. Microline 395C-Plus Only (Color Version) 3.2.24 Ribbon Shift Arm and Shift Arm Spring 3.2.25 Roller Lever 3.2.26 Ribbon Guide 3.2.27 Bail
  • Oki ML395C | Service Manual - Page 54
    3.2.37 Tractor Assembly NOTE: Refer to Appendix B (Illustrated Parts Listing) for the location of the printers major assemblies. Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx
  • Oki ML395C | Service Manual - Page 55
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 35 3.2.01 Preliminary Items Printhead WARNING: The printhead will be HOT immediately after printing. 1. Open the printer access cover. 2. Remove the ribbon cartridge (1). 3. Place the head gap adjusting lever (2) to the range 9
  • Oki ML395C | Service Manual - Page 56
    Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 57
    Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 36 3.2.02 Ribbon Guide 1. Remove the printhead (3.2.01). 2. Remove the two mounting screws (1). 3. Lift the ribbon guide (2) and remove it. P/N 53055901 Guide: Ribbon (Black) RSPL B.2.04 Copyright 1997, Okidata, Division of OKI America
  • Oki ML395C | Service Manual - Page 58
    Protector 1. Remove the printhead (3.2.01). 2. Remove the ribbon guide (3.2.02). 3. Remove the two mounting screws (1). 4. Lift the ribbon protector (2) and remove it. P/N 53527001 Protector: Ribbon RSPL B.2.04 , 05 Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the
  • Oki ML395C | Service Manual - Page 59
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 38 3.2.04 Upper Cover Assembly 1. Disconnect the interface cable (1). 2. Detach the platen knob (2). 3. Remove the two cover mounting screws (3) at the rear of the printer. 4. Lift the rear access cover (4) to the open position. 5.
  • Oki ML395C | Service Manual - Page 60
    Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 61
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 39 3.2.05 Operator Panel Assembly pulling toward the front of the printer. 5. Open the eleven claws and detach the operator panel (5) from the operator panel holder. P/N 50100001 Panel: Operator ML395 RSPL B.2.03 P/N 50910505 Spring
  • Oki ML395C | Service Manual - Page 62
    Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 63
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 40 3.2.06 Control Board (TFCB) 1. Remove the upper cover assembly (3.2.04). 2. Remove the ribbon screw and remove the control board. NOTES: When assembling the printer: Do not allow cables to get caught under the control board
  • Oki ML395C | Service Manual - Page 64
    Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 65
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 41 3.2.07 Interface Connector Board (TFIF or LQPN) NOTE: To allow easier access to the mounting screw and cables, configure
  • Oki ML395C | Service Manual - Page 66
    Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 67
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 42 3.2.08 Printer Mechanism 1. Remove the control board (3.2.06). 2. Detach connectors CN102 (1) and CN103 (2) from the interface connector board. 3. Remove the three mounting screws (3) at the rear of the printer mechanism (4). 4.
  • Oki ML395C | Service Manual - Page 68
    Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 69
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 43 3.2.09 Platen Assembly 1. Remove the upper cover assembly (3.2.04). 2. Loosen the three 7 mm line feed motor mounting bolts (1). 3. Move
  • Oki ML395C | Service Manual - Page 70
    Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 71
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 44 3.2.10 Line Feed Motor 1. Remove the printer mechanism (3.2.09). 2. : Line Feed (ML395) RSPL B.2.06 , 09 Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange
  • Oki ML395C | Service Manual - Page 72
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 45 3.2.11 Head Cable Assembly 1. Detach the printhead (3.2.01). 2. Remove the printer mechanism (3.2.09). 3. Work from the bottom of the printer mechanism and loosen the two mounting screws (1). 4. Detach tabs (A) and (B) from the
  • Oki ML395C | Service Manual - Page 73
    Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 74
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 46 3.2.12 Sensor Board 1. Remove the printer mechanism (3.2.09). 2. Raise the front of the printer 09 , 12 Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX)
  • Oki ML395C | Service Manual - Page 75
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 47 3.2.13 Ribbon Feed Assembly 1. Remove the printer mechanism (3.2.08). 2. Remove the two ribbon cartridge bracket mounting screws (1). 3. Detach the cartridge bracket (2). 4. Remove the two mounting screws (3). 5. Detach the
  • Oki ML395C | Service Manual - Page 76
    Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 77
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 48 3.2.14 Space Motor Assembly 1. Remove the printhead (3.2.01). 2. Remove the ribbon feed assembly (3.2.13). 3. space motor (5) by pulling it toward the front of the printer. P/N 56506205 Motor: Space (ML395) RSPL B.2.06 , 09
  • Oki ML395C | Service Manual - Page 78
    Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 79
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 49 3.2.15 Space Belt 1. Remove the printhead (3.2.01). 2. Remove the head cable assembly (3.2.11). 3. Remove the space motor assembly (3.2.14). 4.
  • Oki ML395C | Service Manual - Page 80
    Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 81
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 50 3.2.16 Cooling Fan 1. Remove the printer mechanism (3.2.08). 2. Remove the two ribbon cartridge bracket mounting screws (1). 3. Detach the cartridge bracket (2). 4. Using needle-nosed pliers, detach the nylon cable clamp (3)
  • Oki ML395C | Service Manual - Page 82
    Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 83
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 51 3.2.17 Bail/Ribbon Motor Assembly 1. Remove the printer mechanism (3.2.09). 2. Disconnect connector CN2 (1). 3. Remove the two mounting screws (2). 4. Detach the bail/ribbon motor assembly (3). NOTE: When assembling, install the
  • Oki ML395C | Service Manual - Page 84
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 52 3.2.18 Paper Bail Assembly 1. Remove the printer mechanism (3.2.08). 2. Remove the bail/ribbon motor assembly (3.2.17). 3. Detach the bail arm springs (1). NOTE: The left bail arm spring is longer than the right bail arm spring.
  • Oki ML395C | Service Manual - Page 85
    Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 86
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 53 3.2.19 Carriage and Carriage Shaft 1. Loosen the screw (1) and slide it towards the back of the printer. 2. Loosen the mounting screw (2) and detach the left eccentric collar (3). NOTE: The protrusions on the eccentric collars
  • Oki ML395C | Service Manual - Page 87
    Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 88
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 54 3.2.20 Paper Pressure Guide 1. Remove the two springs (1) located on each side of the paper pressure guide (2). 2. Remove the detent spring (3) located on the release lever at the right side of the printer. 3. Separate the claws
  • Oki ML395C | Service Manual - Page 89
    Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 90
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly printer mechanism. P/N 53068602 Indicator: PH Gap (Adj Bracket) RSPL B.2.07 , 11 P/N 56209901 Switch: Micro RSPL B.2.07 , 11 (Adj & Release Lever) Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA
  • Oki ML395C | Service Manual - Page 91
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 56 3.2.22 Push Tractor Assembly 1. Remove the lower center guide (1). 2. Separate the claws (2) and remove the two drive gears (3) from the right side of the printer mechanism. 3. Using a needle nose pliers, remove the nylon cable
  • Oki ML395C | Service Manual - Page 92
    P/N 51002601 Guide: Center Lower B RSPL B.2.08 , 11 P/N 51214201 Gear: Drive A RSPL B.2.08 , 11 P/N 51214301 Gear: Drive B RSPL B.2.08 , 11 Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (
  • Oki ML395C | Service Manual - Page 93
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 57 3.2.23 Power Supply Unit 1. Remove the printer mechanism (3.2.08). 2. Disconnect the two cables (1) from the left side of the power supply unit (2). 3. Remove the four power supply mounting screws (3). 4. Remove the power
  • Oki ML395C | Service Manual - Page 94
    Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 95
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 58 3.2.24 Ribbon Shift Arm Spring / Ribbon Shift Arm Microline 395C - Color Model Only 1. Detach the printer access cover. 2. Remove the ribbon cartridge (1). 3. Remove the shift arm spring (2). 4. Remove the 7 mm mounting bolt (3)
  • Oki ML395C | Service Manual - Page 96
    Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 97
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 59 3.2.25 Roller Lever 1. Open the printer access cover. 2. Remove the ribbon cartridge. 3. Remove the shift arm spring (3.2.23). 4. Remove the two 7 mm bolts (1) and detach the roller lever (2). P/N 53479001 Lever: Roller (Color)
  • Oki ML395C | Service Manual - Page 98
    Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 99
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 60 3.2.26 Ribbon Guide 1. Remove the printhead (3.2.01). 2. Loosen the 7 mm ribbon shift arm mounting bolt (1) and detach the ribbon shift arm (2) from projection A of the ribbon guide (3). 3. Remove the two printhead mounting
  • Oki ML395C | Service Manual - Page 100
  • Oki ML395C | Service Manual - Page 101
    Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 102
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 61 3.2.27 Bail Open Cam and Bail Open Gear 1. Remove the printer mechanism (3.2.08). 2. Detach the E snap ring (1). 3. Remove the bail open gear (2). 4. Remove the bail open cam (3). 5. Remove the plastic ring (4). Caution:
  • Oki ML395C | Service Manual - Page 103
    Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 104
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 62 3.2.28 Ribbon Shift Cam and Ribbon Shift Gear 1. Remove the printer mechanism (3.2.08). 2. Detach the E snap ring (1). 3. Remove the ribbon shift gear (2). 4. Remove the washer. 5. Remove the ribbon shift cam (3). NOTE: Assembly
  • Oki ML395C | Service Manual - Page 105
    Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 106
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 63 3.2.29 Ribbon Shift Cam Lever Assembly 1. Remove the printer mechanism (3.2.08). 2. Remove the ribbon shift cam and ribbon shift gear (3.2.27). 3. Remove the mounting screw (1) 4. Detach the ribbon shift cam lever (2) from the
  • Oki ML395C | Service Manual - Page 107
    Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 108
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 64 3.2.30 Printer Unit Bottom Push Tractor Unit (Optional) 1. Turn the power switch OFF and remove the AC power cord from the outlet. 2. Remove the DIN connector (1). 3. Lift the printer unit (2) from the bottom push tractor unit
  • Oki ML395C | Service Manual - Page 109
    Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 110
    Board 1. Remove the printer unit (3.2.30). 2. Disconnect the two cables (1) [CN1 and CN2] from the BTFD board (2). 3. Remove the two mounting screws (3) 4. Detach the BTFD board. P/N 55066102 PCB: BTFD-2 (BTF) Option RSPL B.2.15 Copyright 1997, Okidata, Division of OKI America, Inc. All rights
  • Oki ML395C | Service Manual - Page 111
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 66 3.2.32 Tension Spring 1. Remove the printer unit (3.2.30). 2. Detach the tension spring (1) from between the bottom cover (2) and the blind plate (3). P/N 50922001 Spring: (BTF) Option RSPL B.2.15 Copyright 1997, Okidata,
  • Oki ML395C | Service Manual - Page 112
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 67 3.2.33 Sheet Guide 1. Remove the printer unit (3.2.30). 2. Remove the sheet guide (1). P/N 51002201 Guide: Sheet (BTF) Option RSPL B.2.15 Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the
  • Oki ML395C | Service Manual - Page 113
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 68 3.2.34 BTF Front Door Assembly 1. Remove the printer unit (3.2.30). 2. Detach connector CN1 (1) from the BTFD board (2). 3. Remove the tension spring (3.2.32). 4. Remove the four mounting screws (3). 5. Remove the bottom push
  • Oki ML395C | Service Manual - Page 114
    Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 115
    to remove the drive pulley. P/N 51228801 Pulley: Drive (BTF) (ML395) Option RSPL B.2.15 P/N 54111291 Belt: Mini Pitch (125 teeth) Option RSPL B.2.15 Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this
  • Oki ML395C | Service Manual - Page 116
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 70 3.2.36 Line Feed Motor 1. Remove the printer unit (3.2.30). 2. Remove the ) Option RSPL B.2.15 Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any
  • Oki ML395C | Service Manual - Page 117
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 71 3.2.37 Tractor Assembly 1. Remove the printer unit (3.2.30). 2. Remove the bottom push mechanism (3.2.34 - Steps 2,3,4,5). 3. Remove the screw (1), the balancer (2), and the E-clip (3). 4. Remove the four mounting screws (4) and
  • Oki ML395C | Service Manual - Page 118
    Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 119
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 72 3.3 PRINTER ADJUSTMENTS 3.3.01 Printhead Gap 1. Remove the printhead (3.2.01). 2. Remove the ribbon guide (3.2.02). 3. Remove the ribbon protector (3.2.03). 4. Install the printhead. 5. Set the printhead gap lever to position 1.
  • Oki ML395C | Service Manual - Page 120
    Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 121
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 73 3.3.02 Line Feed at point B. 4. Tighten the three mounting bolts. Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (
  • Oki ML395C | Service Manual - Page 122
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 74 3.3.03 Color Adjustment (Microline 395C Printer) Ribbon Home Adjustment 1. Detach the upper cover assembly (3.2.04). 2. Remove the printer mechanism (3.2.08). 3. Rotate the ribbon shift cam (1) so the ribbon guide (2) is at the
  • Oki ML395C | Service Manual - Page 123
    Dump Mode Resets Printer Menu to factory defaults Resets Top of Form to factory default Activate Font Test To end Font Test press SELECT Activate Menu To exit press SELECT Activate Rolling ASCII Test To end Rolling ASCII Test press SELECT Copyright 1997, Okidata, Division of OKI America, Inc. All
  • Oki ML395C | Service Manual - Page 124
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 76 3.3.05 Menu Operation Menu Mode 1. Verify that paper and the ribbon are installed. 2. Power ON the printer. 3. Press SELECT and place the printer OFF-LINE (SELECT will not be lit). 4. Press QUIET to enter Menu Mode. 5. The line
  • Oki ML395C | Service Manual - Page 125
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 77 Menu Print 1. Verify that paper and the ribbon are installed. 2. Power ON the printer. 3. Press SELECT and place the printer OFF-LINE (SELECT will not be lit). 4. Press QUIET to enter Menu Mode. 5. The line shown below will
  • Oki ML395C | Service Manual - Page 126
    Sample Menu Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 78 Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 127
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 79 Menu Settings Factory default settings are printed in Bold Italic. Group Printer Operator Panel Function Ribbon Selection (Appears for Color Ribbon Model 395C) Ribbon Selection (Appears for Black Ribbon Model 395) Reset
  • Oki ML395C | Service Manual - Page 128
    Character General Interface Max. Receive Buffer Print Suppress Effective Auto Feed XT CPU Compensation Serial Interface Parity (Appears ONLY when Serial Data 7/8 Bits Setting 6 LPI 8 LPI No Yes 12" 11" 11 2/3" 14" 17" 3" 3.5" 4" 5.5" 6" 7" 8" 8.5" 6 LPI 8 LPI No Yes 12" 11" 11 2/3" 14" 17
  • Oki ML395C | Service Manual - Page 129
    Ready / Busy X-ON / X-OFF SSD- SSSD+ DTR RTS 19200 bps 9600 bps 4800 bps Valid Invalid Ready on Power UP 200 mS 1 sec Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx
  • Oki ML395C | Service Manual - Page 130
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 80 Menu Reset CAUTION: Okidata printer. 3. Press SELECT and PARK while powering ON the printer. 4. The Menu is reset to Factory Defaults. Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA
  • Oki ML395C | Service Manual - Page 131
    . 6. Press SET until FULL OPERATION prints. 7. Press EXIT to exit Menu Mode. 8. The printer will go ON-LINE. (SELECT will light.) Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx
  • Oki ML395C | Service Manual - Page 132
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 82 3.3.06 Top of Form General Information Top of form is the place on the page where printing begins. When the printer advances paper to the next page, it stops at the top of form. The Microline 395 and 395C printers store the top
  • Oki ML395C | Service Manual - Page 133
    Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 134
    to the continuous form position (to the front of the printer). 2. Pull the bail lever forward. 3. The paper will advance to the loading position. 4. Push the bail lever back and adjust the top of form (if necessary). Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the
  • Oki ML395C | Service Manual - Page 135
    Service Guide ML395/395C Chapter 3 data is received. No data is lost, but the extra paper movement causes uneven print registration. If this problem occurs, disable (set to OFF) the Menu Setting for Forms Tear Off. Procedure 1. Load continuous feed paper into the printer. 2. Verify that the ribbon
  • Oki ML395C | Service Manual - Page 136
    setting must be OFF. 11. Press EXIT to exit Menu Mode. 12. The printer will go ON-LINE. (SELECT will light.) Application of the Forms Tear Off Feature next print position. Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for
  • Oki ML395C | Service Manual - Page 137
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 85 3.4 CLEANING 3.4.01 General Information WARNING When cleaning the printer, power OFF the printer and detach the AC power cable from the printer and the AC outlet. Cleaning Interval Every six months or 300 hours of operation
  • Oki ML395C | Service Manual - Page 138
    @ Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 139
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 86 3.5 LUBRICATION 3.5.01 General Information When lubricating the printer, refer to the lubrication diagrams on the following pages. Each areas. Sensors Platen (rubber face) Printhead Mini-pitch belt Space belt Ribbon Tractor Pins
  • Oki ML395C | Service Manual - Page 140
    Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 141
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 87 Lubrication Points (Monochrome and Color)
  • Oki ML395C | Service Manual - Page 142
    Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 143
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 88 Lubrication Points (Monochrome and Color) Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 144
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 89 Lubrication Points (Monochrome and Color)
  • Oki ML395C | Service Manual - Page 145
    Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 146
    Lubrication Points (Color) Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 90
  • Oki ML395C | Service Manual - Page 147
    Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 148
    Lubrication Points (Options) Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 91 Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business
  • Oki ML395C | Service Manual - Page 149
    Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 150
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Page: 92 3.6 SHIPPING INSTRUCTIONS 3.6.01 Return for Service CAUTION: When shipping the printer from Step 1. Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for
  • Oki ML395C | Service Manual - Page 151
    Service Guide ML395/395C Chapter 3 Maintenance & Disassembly Printer Handbook) 3. Make sure the printhead is secured so it will not move during shipment. 4. Pack the unit, using the materials from Step 1. Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA
  • Oki ML395C | Service Manual - Page 152
    in this kit, please report the problem to Okidata, using one of the methods listed. Refer to the Service Center Reference Guide for information on contacting Okidata. Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any
  • Oki ML395C | Service Manual - Page 153
    the following to decode the serial number. Example Printer Serial Number: 401A0154693 Date Code 401 (4 = year. 01 = month) Revision A Serial Number 0154693 Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to
  • Oki ML395C | Service Manual - Page 154
    . Most problems can be solved by using the information provided in the training materials. If you encounter a situation that cannot be solved, please let Okidata know. Refer to the Service Center Reference Guide for information on contacting Okidata. Copyright 1997, Okidata, Division of OKI America
  • Oki ML395C | Service Manual - Page 155
    By reporting your suggestions, concerns, and problems, Okidata can provide the best possible information. Your cooperation is greatly appreciated. Thank you for your help! Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for
  • Oki ML395C | Service Manual - Page 156
    Service Center Reference Guide. Information Provided Please provide the following information when reporting problems. Okidata Problem Document Name (with page number or procedure) with error or problem. Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA
  • Oki ML395C | Service Manual - Page 157
    Service Guide ML395/395C Chapter 4 Failure & Repair Analysis Page: 99 4.3 TROUBLESHOOTING UPDATES 4.3.01 General Information Okidata distributes updated troubleshooting information in three ways. Okilink II Faxable Facts Technical Service Bulletins Copyright 1997, Okidata, Division of OKI America,
  • Oki ML395C | Service Manual - Page 158
    Bulletins, Recommended Spare Parts Lists, Printer Drivers, Product Specifications, and Service Training Information are also available. Refer to the Service Center Reference Guide for information on accessing Okilink II. Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See
  • Oki ML395C | Service Manual - Page 159
    products are available through Faxable Facts. Refer to the Service Center Reference Guide for information on accessing Faxable Facts. Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http
  • Oki ML395C | Service Manual - Page 160
    Service Guide ML395/395C Chapter 4 Failure & Repair Analysis Page: 102 4.3.04 Technical Service Bulletins Okidata's Technical Service Service Center Reference Guide for information on accessing Okilink II. Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA
  • Oki ML395C | Service Manual - Page 161
    Service Guide ML395/395C Chapter 4 Failure & Repair Analysis Page: 103 4.4 TROUBLESHOOTING TIPS 4.4.01 Preliminary Checks 1. Is the product being operated under the proper ambient conditions? 2. Does the paper being used meet the specifications for this product? 3. Has the ribbon been replaced as
  • Oki ML395C | Service Manual - Page 162
    Service Guide ML395/395C Chapter 4 Failure & Repair Analysis Page: 104 4.4.02 Problem Categories There are three categories of problems that you might encounter when servicing the Microline 395 printer 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business
  • Oki ML395C | Service Manual - Page 163
    ? Power is not supplied to the printer Refer to RAP 01 No spacing operation Refer to RAP 02 ALARM lamp is blinking Refer to Section 4.6 NO The problem occurs during printing. Refer to the RAP Index - Section 4.7 Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the
  • Oki ML395C | Service Manual - Page 164
    Service Guide ML395/395C Chapter 4 Failure & Repair Analysis Page: 106 4.4.04 Tips for Preventing Image Problems 1. Make sure that the ribbon is not "dried out". If the printer output is faded, install a new ribbon, then print another sample. 2. Make sure that the paper you are using is within
  • Oki ML395C | Service Manual - Page 165
    Service Guide ML395/395C Chapter 4 Failure & Repair Analysis Page: 107 4.4.05 Common Problems 1. Nothing happens when the printer is powered ON. Make sure the printer is plugged in. Check the power cord connection to the printer and the outlet. If a power strip is being used, make sure the strip
  • Oki ML395C | Service Manual - Page 166
    Adjustment. Refer to Section 3.3 of this Service Handbook for details. Refer to RAP 03. 9. Strange symbols and incorrect fonts appear during a print run. The printer driver does not agree with the emulation selected for the printer. OR Incorrect printer commands are embedded within the software. To
  • Oki ML395C | Service Manual - Page 167
    . Press and hold QUIET while powering ON the printer. Follow the normal menu procedures to set the Operator Panel Functions Item to FULL OPERATION. Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this
  • Oki ML395C | Service Manual - Page 168
    4.5 ABNORMAL OUTPUT 4.5.01 Output Samples Service Guide ML395/395C Chapter 4 Failure & Repair Analysis Page: 108 Light Print on the Entire Page Possible Causes:
  • Oki ML395C | Service Manual - Page 169
    Power OFF the printer. Move the carriage assembly. The carriage should move smoothly. If it does not, remove the cause of the binding. 2. Make sure that the space belt tension is within specification. If it is not, tighten the belt. Copyright 1997, Okidata, Division of OKI America, Inc. All rights
  • Oki ML395C | Service Manual - Page 170
    Service Guide ML395/395C Chapter 4 Failure & Repair Analysis Page: 109 4.6 FAULT ALARMS 4.6.01 General Information When an error condition exists, the ALARM LAMP will flash. The operator panel is used to display printer error conditions. The type of error condition can be determined by decoding
  • Oki ML395C | Service Manual - Page 171
    Cell Store 46 Error Print Overrun 52 Error Head Homing 53 Error Slave CPU 54 Initial Error Thermistor 55 Open Error Ribbon 57 Homing Error EEPROM 59 Write Error Replace controller board Replace controller board Replace controller board Replace controller board Replace controller
  • Oki ML395C | Service Manual - Page 172
    Error 5C See RAP 02 See RAP 05 Fan Alarm 60 Bottom Feed 61 Connection Error Replace Power Supply Check Bottom Feed Unit Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx
  • Oki ML395C | Service Manual - Page 173
    which is associated with the printers problem. 3. Go to the appropriate RAP. 4. All RAPs begin with a START statement, followed by questions or another type of statement. Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for
  • Oki ML395C | Service Manual - Page 174
    , or Dot Omission Ribbon Feed Trouble Line Feed Trouble Malfunction of Operation Panel switch Data Receiving Failure Parallel Interface Problem Serial Interface Problem Data Receive Problem Alarm Light Lit Color Ribbon Shift Problems Copyright 1997, Okidata, Division of OKI America, Inc. All rights
  • Oki ML395C | Service Manual - Page 175
    the connection cable. YES Replace the control board. Has the problem been resolved? NO Contact Okidata Technical Support. YES End of procedure. Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material
  • Oki ML395C | Service Manual - Page 176
    Service Guide ML395/395C Chapter 4 Failure & Repair Analysis Page: 113 RAP 02: Space Error on the control board correctly connected? YES Replace the control board. NO Connect them correctly. Has the problem been resolved? YES End of procedure. NO Replace the space motor. NO Are cables CN3 and CN7
  • Oki ML395C | Service Manual - Page 177
    Has the problem been resolved? YES End of procedure. NO Replace the space motor. Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 178
    Service Guide ML395/395C Chapter 4 Failure & Repair Analysis Page: 114 RAP 03: Head motor. Has the problem been resolved? YES End of procedure. NO Contact Okidata Technical Support. Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange
  • Oki ML395C | Service Manual - Page 179
    Service Guide ML395/395C Chapter 4 Failure & Repair Analysis Page: 115 RAP 04: Ribbon Homing Error (ALARM 57) START Is the printer the color model? NO Is shorting plug SP3 of the control board open? NO Set it open. YES Go to A. YES Manually rotate the ribbon shift cam counterclockwise. Does it
  • Oki ML395C | Service Manual - Page 180
    NO Replace the sensor board. Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 181
    ? YES End of procedure. NO Replace the sensor board. Has the problem been resolved? YES End of procedure. NO Replace the bail/ribbon motor. Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material
  • Oki ML395C | Service Manual - Page 182
    Service Guide ML395/395C Chapter 4 Failure & Repair Analysis Page: 117 RAP 06: Wrong Character, positive voltage. Check at both ends of C8 for the negative voltage. YES Replace the printhead. Has the problem been resolved? YES End of procedure. NO Go to A NO Are cables CN3 and CN7 on the control
  • Oki ML395C | Service Manual - Page 183
    NO Check the MENU Settings related to the interface. Baud Rate Character Format Protocol BUSY Signal output selection Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 184
    Service Guide ML395/395C Chapter 4 Failure & Repair Analysis Page: 118 RAP 07: Ribbon Feed Trouble START Remove the ribbon cartridge and rotate the ribbon cartridge ribbon feed knob. Does it rotate smoothly? YES Check to see if the ribbon lock mechanism has been disengaged. NO Replace the ribbon
  • Oki ML395C | Service Manual - Page 185
    Service Guide ML395/395C Chapter 4 Failure & Repair Analysis Page: 119 RAP 08: Line Feed Trouble START Manually rotate the platen knob. Does it rotate smoothly? NO Set the release lever to the open side. Does the platen knob rotate smoothly? NO Adjust
  • Oki ML395C | Service Manual - Page 186
    Service Guide ML395/395C Chapter 4 Failure & Repair Analysis Page: 120 RAP 09: panel. Has the problem been resolved? YES End of procedure. NO Replace the control board. Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (
  • Oki ML395C | Service Manual - Page 187
    Service Guide ML395/395C Chapter 4 Failure & Repair Analysis Page: 121 RAP 10A: Data Receive Failure START Is the SELECT lamp blinking? YES Modify the menu to Ignore DC3. NO Is the ALARM lamp ON? YES Refer to RAP 10D. NO Is the SELECT lamp ON? NO Place the printer ON-LINE. YES Is the interface
  • Oki ML395C | Service Manual - Page 188
    . NO Replace the control board. Has the problem been resolved? YES End of procedure. NO Perform the following: 1. Replace the interface connector board. 2. Replace the cable connected to CN6 on the control board. Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the
  • Oki ML395C | Service Manual - Page 189
    the power supply board. Has the problem been resolved? YES End of procedure. NO Perform the procedures listed below. 1. Replace the interface connector board. 2. Replace the cable connected to CN6 on the control board. Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See
  • Oki ML395C | Service Manual - Page 190
    Service Guide ML395/395C Chapter 4 Failure & Repair Analysis Page: 124 RAP 10D: Data Receive Failure (Alarm Light Lit) START Remove the upper cover. Press and hold the cover open microswitch while powering ON the printer. Does the alarm lamp come on? NO Perform the operations listed below. 1.
  • Oki ML395C | Service Manual - Page 191
    , and cable assembly. YES Replace the control board. Has the problem been resolved? YES End of procedure. NO Contact Okidata Technical Support. Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material
  • Oki ML395C | Service Manual - Page 192
    Service Guide ML395/395C Chapter 4 Failure & Repair Analysis Page: 125 RAP 11: Color Ribbon Shift Problem START Does the ribbon shift mechanism operate properly? NO Go to A. YES Is BLACK RIBBON set on the menu? NO Go to B. YES Set another color. Has the problem been resolved? NO Go to B. YES End
  • Oki ML395C | Service Manual - Page 193
    cam and gear 2. Ribbon shift cam/lever assembly Are they normal? YES Replace the sensor board. NO Correct the installation or replace the defective assembly. Has the problem been resolved? YES End of procedure. NO Replace the control board. Copyright 1997, Okidata, Division of OKI America, Inc. All
  • Oki ML395C | Service Manual - Page 194
    Service Guide ML395/395C Chapter 4 Failure & Repair Analysis Page: 126 4.8 PRINTER TESTS 4.8.01 Rolling ASCII Print Test General Information The Rolling ASCII Print Test is a continuous printout of all 96 ASCII characters in a rolling pattern. The type style set in the printer menu will be
  • Oki ML395C | Service Manual - Page 195
    Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 196
    Service Guide ML395/395C Chapter 4 Failure & Repair Analysis Page: 127 4.8.02 Font Test COURIER Proportional Procedure: 1. Verify that the printer is loaded with paper. 2. Power OFF the printer. 3. Press and hold the LINE FEED switch while powering ON the printer. If the font test does not print
  • Oki ML395C | Service Manual - Page 197
    Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 198
    Service Guide ML395/395C Chapter 4 Failure & Repair Analysis Page: 128 4.8.03 Serial Interface - Loopback Test NOTE: In order to run this test, a serial loopback test connector must be attached to the printers serial port. Procedure 1. Place the printer in the Serial Diagnostic Mode Set the
  • Oki ML395C | Service Manual - Page 199
    Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 200
    powering ON the printer. 5. The printer will print the line shown below. HEX DATA DUMP 6. The printer is ready to receive data in the Hexadecimal Dump Mode. 7. Send data to the printer. 8. To exit Hex Dump Mode, power OFF the printer. Copyright 1997, Okidata, Division of OKI America, Inc. All rights
  • Oki ML395C | Service Manual - Page 201
    are included in this section. Printhead Resistance Line Feed Motor Resistance Space Motor Resistance Ribbon Motor Resistance Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx
  • Oki ML395C | Service Manual - Page 202
    Service Guide ML395/395C Chapter 4 Failure & Repair Analysis Page: 131 4.9.02 Printhead Resistance Check The resistance of each coil should be about 4.5 ohms.
  • Oki ML395C | Service Manual - Page 203
    Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 204
    Service Guide ML395/395C Chapter 4 Failure & Repair Analysis Page: 132 4.9.03 Line Feed Motor Resistance Check The resistance of each coil should be about 5.6 ohms. Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any
  • Oki ML395C | Service Manual - Page 205
    Service Guide ML395/395C Chapter 4 Failure & Repair Analysis Page: 133 4.9.04 Space Motor Resistance Check The resistance of the motor should be about 11.4 ohms. Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any
  • Oki ML395C | Service Manual - Page 206
    Service Guide ML395/395C Chapter 4 Failure & Repair Analysis Page: 134 4.9.05 Ribbon Motor Resistance Check The resistance of each coil should be about 34 ohms Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any
  • Oki ML395C | Service Manual - Page 207
    Service Guide ML395/395C Chapter A Board Diagrams Page: 135 A.1 OVERVIEW A.1.01 General not applicable, the word NONE will be listed. Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material.
  • Oki ML395C | Service Manual - Page 208
    Service Guide ML395/395C Chapter A Board Diagrams Page: 136 A.2 INDEX TO CHARTS Description Main Controller Board Power Supply Board Interface Board Sensor Board Operator Panel Board Board Designation TFCB-1,2 POW TFIF LQEW TFOP Section A.2.01 A.2.02 A.2.03 A.2.04 A.2.05
  • Oki ML395C | Service Manual - Page 209
    Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 210
    Service Guide ML395/395C Chapter A Board Diagrams Page: 137 A.2.01 Main Controller Board (TFCB) Firmware Q6 Color Model Sensors NONE Switches NONE Test Points + 38 vdc Printhead, space/linefeed/bail-ribbon motor drive voltage. Check on both ends of Capacitor C2. + 5 vdc Logic IC/LED drive voltage.
  • Oki ML395C | Service Manual - Page 211
    voltage and serial interface line voltage. Check both ends of C9. -8 vdc Serial interface line voltage. Check both ends of C8. Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx
  • Oki ML395C | Service Manual - Page 212
    Page: 138 Service Manual for the ML395/395C Chapter A Board Diagrams Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 213
    Service Guide ML395/395C Chapter A Board Diagrams Page: 139 A.2.02 Power Supply Board (POW) Firmware NONE Fuses F1 10.0 Amp 125V : AC line fuse Jumpers NONE Sensors NONE
  • Oki ML395C | Service Manual - Page 214
    Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 215
    Service Guide ML395/395C Chapter A Board Diagrams Page: 140 A.2.03 Interface Board (TFIF) Firmware NONE Fuses NONE Jumpers SP101 A Side - Auto Feed XT signal of Centronics I/F valid B Side -
  • Oki ML395C | Service Manual - Page 216
    Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 217
    : SP102 A Side - I-Prime signal of Centronics I/F is invalid B Side - I-Prime signal of Centronics I/F is valid per Don Deswert Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx
  • Oki ML395C | Service Manual - Page 218
    Page: 142 Service Manual for the ML395/395C Chapter A Board Diagrams Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 219
    Service Guide ML395/395C Chapter A Board Diagrams Page: 143 A.2.04 Sensor Board (LQEW) Firmware NONE Fuses NONE Jumpers NONE Sensors Bottom Paper Sensor (BES) Bail Arm Sensor (BHS) Ribbon Shift Sensor (RHS ) Located on sensor board in color model ONLY CN1 Connector for Cut-Sheet Paper Photosensor
  • Oki ML395C | Service Manual - Page 220
    Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 221
    Service Guide ML395/395C Chapter A Board Diagrams Page: 144 A.2.05 Operator Panel (TFOP) Firmware NONE Fuses NONE Jumpers NONE Sensors NONE Switches 10 contact switches which control the
  • Oki ML395C | Service Manual - Page 222
    Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 223
    Service Guide ML395/395C diagrams. The tables contain the item reference number, the Okidata and Oki-Japan (Oki-J) part numbers, the part description, a comments section, spare part. For instructions on accessing Okilink II, refer to the Service Center Reference Guide. · Okidata's Faxable Facts is
  • Oki ML395C | Service Manual - Page 224
    Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 225
    consumable products, the investment made in the equipment is protected. Document A document is a printed item which supports the service and marketing of a product. Various documents are available from Okidata. Drivers Printer drivers are updated frequently. Please refer to Okilink II for the latest
  • Oki ML395C | Service Manual - Page 226
    are issued monthly. 395 This part is used exclusively by the Microline 395 printer. 395C This part is used exclusively by the Microline 395C Printer. Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this
  • Oki ML395C | Service Manual - Page 227
    , and Authorization · Product Support information · Okidata Depot information and services · Third Party Service information · Information about Okidata's Customer Information Center · Okidata Service and Support telephone numbers. The Service Center Reference Guide contains the procedures to follow
  • Oki ML395C | Service Manual - Page 228
    II, Faxable Facts, or contact Okidata Technical Support to find the correct part number. Refer to the Service Center Reference Guide for information on contacting Okidata. Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for
  • Oki ML395C | Service Manual - Page 229
    B.2 CHARTS Index to Charts Service Guide ML395/395C Chapter B Illustrated Parts Listing Page: 148
  • Oki ML395C | Service Manual - Page 230
    Below is an index to the illustrated parts breakdown charts. Description Upper Cover Assembly Section B.2.01
  • Oki ML395C | Service Manual - Page 231
    Printer Unit - Black and White (1 of 3) Printer Unit - Black and White (2 of 3) Printer Unit - Black and White (3 of 3) Printer Unit - Color (1 of 3) Printer Unit - Color (2 of 3) Printer Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner
  • Oki ML395C | Service Manual - Page 232
    Service Guide ML395/395C Chapter B Illustrated Parts Listing Page: 149 B.2.01 Upper Cover Assembly Part numbers are subject to change. Refer to Okilink II for current part numbers and pricing information. Item Okidata P/N Oki-J P/N 1 50212441 2PA4016-4723G41 Description Cover: Middle Assembly
  • Oki ML395C | Service Manual - Page 233
    RSPL 2 50215703 Cover: Access 1PA4049-5837G3 (ML395 Color) RSPL 3 50215801 Cover: Rear 1PA4094-5841G1 (Assembly) RSPL 3.2.04 3.2.04 3.2.04 3.2.04 Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates
  • Oki ML395C | Service Manual - Page 234
    Service Guide ML395/395C Chapter B Illustrated Parts Listing Page: 150 B.2.02 Printer Unit General Assembly Part numbers are subject to change. Refer to Okilink II for current part numbers and pricing information.
  • Oki ML395C | Service Manual - Page 235
    Item Okidata P/N Oki-J P/N 1 N/A 4PB4043-4331P1 Description Bottom Guide Plate Comments Refer to B.1.02 Disassembly Procedure N/A
  • Oki ML395C | Service Manual - Page 236
    : Power Connection (13 pin) RSPL 3.2.01 3.2.01 3.2.01 3.2.01 3.2.01 3.2.01 3.2.01 3.2.04 3.2.06 3.2.06 3.2.06 3.2.06 3.2.07 3.2.09 3.2.23 3.2.23 3.2.23 3.2.23 Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the
  • Oki ML395C | Service Manual - Page 237
    Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 238
    Service Guide ML395/395C Chapter B Illustrated Parts Listing Page: 151 B.2.03 Operator Panel Part numbers are subject to change. Refer to Okilink II for current part numbers and pricing information. Item Okidata P/N Oki-J P/N 1 55071701 4YA4050-3106G1 2 50100001 3PP4043-2712G5 3 50910505
  • Oki ML395C | Service Manual - Page 239
    5 56212601 Switch: Interlock 3YX4043-4228G1 (Assembly) RSPL 6 56628403 4LP-5466-37 Cable: OP (ML395) RSPL 3.2.05 3.2.05 Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx
  • Oki ML395C | Service Manual - Page 240
    Service Guide ML395/395C Chapter B Illustrated Parts Listing Page: 152 B.2.04 Carriage Assembly (Black and White) Part numbers are subject to change. Refer to Okilink II for current part numbers and pricing information. Item Okidata P/N Oki-J P/N 1 53055901 4PP4043-2643G1 2 53527001 4PP4043
  • Oki ML395C | Service Manual - Page 241
    Carriage Assembly 2YX4043-2610G3 (Black) 8 N/A N/A Spacer: Round 9 N/A N/A Spacer 3.2.15 3.2.15 3.2.19 3.2.19 3.2.19 Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx
  • Oki ML395C | Service Manual - Page 242
    Service Guide ML395/395C Chapter B Illustrated Parts Listing Page: 153 B.2.05 Carriage Assembly (Color) Part numbers are subject to change. Refer to Okilink II for current part numbers and pricing information. Item Okidata P/N Oki-J P/N Description Comments Refer to B.1.02 1 53056002 Guide:
  • Oki ML395C | Service Manual - Page 243
    Roller (Color) RSPL 4PP4043-2741G1 14 50605701 N/A Ribbon Guide Post (Color) 3.2.11 3.2.15 3.2.15 3.2.19 3.2.19 3.2.19 3.2.24 3.2.24 3.2.24 3.2.25 3.2.26 Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates
  • Oki ML395C | Service Manual - Page 244
    Service Guide ML395/395C Chapter B Illustrated Parts Listing Page: 154 B.2.06 Printer Unit - Black and White (1 of 3) Part numbers are subject to change. Refer to Okilink II for current part numbers and pricing information. Item Okidata P/N Oki-J P/N 1 N/A 3PB4043-4227P1 2 N/A 3PB4043-
  • Oki ML395C | Service Manual - Page 245
    Line Feed (ML395) PCB: Sensor (LQEW or LPRW) PCB: Sensor [LQEW-Z] Cord: Sensor PCB Connection Assembly: Ribbon Feed Motor: Space (ML395) Motor: 3.2.18 3.2.18 3.2.16 Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any
  • Oki ML395C | Service Manual - Page 246
    Service Guide ML395/395C Chapter B Illustrated Parts Listing Page: 155 B.2.07 Printer Unit - Black and White (2 of 3) Part numbers are subject to change. Refer to Okilink II for current part numbers and pricing information. Item Okidata P/N Oki-J P/N 1 50057601 2YX4043-2610G3 2 50703701
  • Oki ML395C | Service Manual - Page 247
    53068602 3PP4043-2505P2 14 56209901 4YX4043-2784G1 Block: Release Lever Guide Spring: (Paper Chute) Spring: Detent (Release Lever) 20 3.2.20 3.2.21 3.2.21 Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates
  • Oki ML395C | Service Manual - Page 248
    Service Guide ML395/395C Chapter B Illustrated Parts Listing Page: 156 B.2.08 Printer Unit - Black and White (3 of 3) Part numbers are subject to change. Refer to Okilink II for current part numbers and pricing information. Item Okidata P/N Oki-J P/N 1 50054501 3YX4043-2561G1 2 50054601
  • Oki ML395C | Service Manual - Page 249
    N/A Gear: Drive A RSPL Gear: Drive B RSPL Cam: Bail Open (Black) Rubber Grommet (in base) RSPL 3.2.22 3.2.22 3.2.27 N/A Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx
  • Oki ML395C | Service Manual - Page 250
    Service Guide ML395/395C Chapter B Illustrated Parts Listing Page: 157 B.2.09 Printer Unit - Color (1 of 3) Part numbers are subject to change. Refer to Okilink II for current part numbers and pricing information. Item 1 2 3 4 5 Okidata P/N Oki-J P/N N/A 3PB4043-4227P1 N/A 3PB4043-4357P1
  • Oki ML395C | Service Manual - Page 251
    3YX4043-2550G5 (ML395) RSPL 15 56506301 Motor: Step (Bail RSPL 3PB4043-2601P1 Arm) Assembly 16 56509501 Fan: Cooling 4YX4043-4219G1 RSPL 3.2.09 3.2.09 3.2.09 3.2.09 3.2.10 3.2.12 3.2.12 3.2.12 3.2.13 3.2.14 3.2.17 3.2.16 Copyright 1997, Okidata, Division of OKI America, Inc. All
  • Oki ML395C | Service Manual - Page 252
    Service Guide ML395/395C Chapter B Illustrated Parts Listing Page: 158 B.2.10 Printer Unit - Color (2 of 3) Part numbers are subject to change. Refer to Okilink II for current part numbers and pricing information. Item 1 2 3 4 5 Okidata P/N Oki-J P/N 50054401 4PA4043-2711G1 50910701 4PP4043-
  • Oki ML395C | Service Manual - Page 253
    11 N/A Cut Sheet Guide MM 4PB4043-2579P1 12 53478801 Block: Release 4PP4043-2460P1 Lever Guide RSPL 13 50907502 4LB- 3.2.20 3.2.20 3.2.20 3.2.20 Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates
  • Oki ML395C | Service Manual - Page 254
    Service Guide ML395/395C Chapter B Illustrated Parts Listing Page: 159 B.2.11 Printer Unit - Color (3 of 3) Part numbers are subject to change. Refer to Okilink II for current part numbers and pricing information. Item Okidata P/N Oki-J P/N 1 53068602 3PP4043-2505P2 2 56209901 4YX4043-
  • Oki ML395C | Service Manual - Page 255
    - A RSPL RSPL Gear: Ribbon Shift (Color) Cam: Ribbon Shift (Color) Lever: Shift Cam (Color) Rubber Grommet (in base) RSPL RSPL RSPL 3.2.22 3.2.22 3.2.22 3.2.22 3.2.22 3.2.27 3.2.27 3.2.27 3.2.28 3.2.28 3.2.28 3.2.29 N/A Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved
  • Oki ML395C | Service Manual - Page 256
    Service Guide ML395/395C Chapter B Illustrated Parts Listing Page: 160 B.2.12 Cables and Connectors Part numbers are subject to change. Refer to Okilink II for current part numbers and pricing information. Item 1 2 3 4 Okidata P/N Oki-J P/N 56609701 3YS4011-1315P1 56624101 3YS4011-1265P1
  • Oki ML395C | Service Manual - Page 257
    4 56628403 4LP-5466-37 Cable: OP (ML395) RSPL 5 56614301 Cable: Microswitch RSPL 3YX4043-2759G1 (Cover Open) 6 06 3.2.11 3.2.12 3.2.23 3.2.23 Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this
  • Oki ML395C | Service Manual - Page 258
    Service Guide ML395/395C Chapter B Illustrated Parts Listing Page: 161 B.2.13 Options Part numbers are subject to change. Refer to Okilink II for current part numbers and pricing information.
  • Oki ML395C | Service Manual - Page 259
    Bin CSF 30001 Option Cut-Sheet Feeder Option Dual Bin CSF 30002 Disassembly Procedure 3.2.23 3.2.01 3.2.30 N/A N/A N/A Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx
  • Oki ML395C | Service Manual - Page 260
    Service Guide ML395/395C Chapter B Illustrated Parts Listing Page: 162 B.2.14 Pull Tractor Assembly (Option) Part numbers are subject to change. Refer to Okilink II for current part numbers and pricing information.
  • Oki ML395C | Service Manual - Page 261
    Item 1 Okidata P/N Oki-J P/N 56406302 4YB4049-1278P2 Description Power Supply Assembly (220/240V) Comments Refer to B.1.02 Option RSPL Disassembly Procedure 3.2.23
  • Oki ML395C | Service Manual - Page 262
    Feeder Single Bin CSF 30001 Option 6 70010701 N/A Cut-Sheet Feeder Option Dual Bin CSF 30002 3.2.01 3.2.30 N/A N/A N/A Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx
  • Oki ML395C | Service Manual - Page 263
    Service Guide ML395/395C Chapter B Illustrated Parts Listing Page: 163 B.2.15 Bottom Tractor Feed Unit (Push) [BTF] (Option) Part numbers are subject to change. Refer to Okilink II for current part numbers and pricing information.
  • Oki ML395C | Service Manual - Page 264
  • Oki ML395C | Service Manual - Page 265
    Option RSPL Spring: (BTF) Option RSPL Guide: Sheet (BTF) Option RSPL Door: Front (Assembly) (BTF) Pulley: Drive (BTF) (ML395) Belt: Mini Pitch (125 teeth) 3.2.37 3.2.37 Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for
  • Oki ML395C | Service Manual - Page 266
    Service Guide ML395/395C Chapter B Illustrated Parts Listing Page: 164 B.2.16 BTF Pull-Up Roller Assembly (Option) Part numbers are subject to change. Refer to Okilink II for current part numbers and pricing information.
  • Oki ML395C | Service Manual - Page 267
  • Oki ML395C | Service Manual - Page 268
    RSPL Option RSPL NOTE: The Pull-Up Roller Assembly is part of the Bottom Push Tractor Unit. Disassembly Procedure N/A N/A Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx
  • Oki ML395C | Service Manual - Page 269
    Service Guide ML395/395C Chapter B Illustrated Parts Listing Page: 165 B.2.17 Consumables Part numbers are subject to change. Refer to Okilink II for current part numbers and pricing information. Item Okidata P/N Oki-J P/N 1 52103601 N/A 1 52103801 N/A 2 52103701 N/A Description Ribbon
  • Oki ML395C | Service Manual - Page 270
    Service Guide ML395/395C Chapter B Illustrated Parts Listing Page: 166 B.2.18 Packing Materials Part numbers are subject to change. Refer to Okilink II for current part numbers and pricing information. Item 1 2 Okidata P/N Oki-J P/N 53528901 N/A 53528902 N/A Description Foam: End Cap Right Foam
  • Oki ML395C | Service Manual - Page 271
    3 53532002 Box: Spare RSPL N/A N/A (PM3410/393/395) Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)
  • Oki ML395C | Service Manual - Page 272
    : ML395/395C Service Document Handbook: ML395/395C Service Document Video: ML395/395C Serv Train Document Video: ML395/395C Serv Train Document Label: ML395/395C Video Document Manual: ML395/395C Maintenance Document Okidata Service Center Document Reference Guide Okidata Support
  • Oki ML395C | Service Manual - Page 273
    Guide for information on contacting Okidata. # See Below 58231601 Microline 395/359C Service Training Kit This kit was replaced by P/N 58231602. Includes 52065001 Label: ML395/395C Kit 59260501 Handbook: ML395/395C Service 59259101 Handbook: ML395/395C Printer 57519901 Video: ML395/395C Service
  • Oki ML395C | Service Manual - Page 274
    52065001, Rev B Label: ML395/395C Kit 59260502 Handbook: ML395/395C Service 59259102 Handbook: ML395/395C Printer 57519902 Video: ML395/395C Service Training 52065004 Label: ML395/395C Video 58094502 ML395/395C Sheet: Read Me 1st Copyright 1997, Okidata, Division of OKI America, Inc. All rights
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Page:
1
Service Guide ML395/395C
Chapter 0 About This Manual
ML395 // ML395C
Dot Matrix Printers
Adobe Acrobat printable reference
copy of the OKIDATA Service Training Manual.
09/17/97
Note: This Adobe Acrobat version of the Okidata Service Training Manual was built with the
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Copyright 1997, Okidata, Division of OKI America, Inc. All rights reserved. See the OKIDATA Business
Partner Exchange (BPX) for any updates to this material. (http://bpx.okidata.com)