Epson 2200 Service Manual - Page 6

Contents - printer troubleshooting

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CONTENTS Chapter 1 PRODUCTION DESCRIPTION 1.1 Overview 9 1.2 Basic Specifications 10 1.2.1 Specification Outline Comparison 10 1.2.2 Paper Specification 15 1.2.3 Printing Area 17 1.2.4 Ink Type-based Medium Compatibility Specifications 23 1.2.5 Release Lever 25 1.3 Functions 26 1.3.1 Control Panel 26 1.3.2 Switches ...26 1.3.3 Indicators 26 1.3.4 Switch Functions 26 1.3.5 Default Setting Selection Function 28 1.3.6 Special Setting Mode Function 29 1.3.7 Status Printing 30 1.3.8 Panel Operation for Roll Paper Printing 31 1.3.9 Panel Operation for CD-R Printing 33 1.3.10 Panel Operation for Thick Paper Printing 33 1.3.11 Panel Operation in Roller Cleaning Mode 34 1.3.12 Indicator Display in Normal Mode 35 1.3.13 Error Status 36 1.4 Casing Specifications 37 1.5 Accessories 37 1.6 Environment Specification Items 38 Chapter 2 OPERATING PRINCIPLES 2.1 Overview 40 2.2 Printer Mechanism 40 2.2.1 Carriage Mechanism 41 2.2.2 Print Mode 44 2.2.3 Paper Feeding Mechanism 48 2.2.4 Paper Loading Mechanism 54 2.2.5 Ink System Mechanism 58 2.2.6 Ink Sequence 60 2.2.7 Paper Cutter Mechanism 63 2.2.8 Power-On Sequence 65 2.3 Electrical Circuitry Operating Principles 66 2.3.1 Power Supply Circuit Operating Principle 67 2.3.2 C387MAIN Circuit Operating Principle 68 Chapter 3 TROUBLESHOOTING 3.1 Overview 70 3.2 Error Indications and Fault Occurrence Causes 70 3.3 Troubleshooting 78 3.3.1 Superficial Phenomenon-Based Troubleshooting 104 3.4 EEPROM Data Analysis 114 Chapter 4 disassembly and assembly 4.1 Overview 116 4.1.1 Precautions 116 4.1.2 Tools to Be Used 117 4.1.3 Screw List 118 4.1.4 Pre-Shipment Checks 119 4.2 Disassembly 120 4.2.1 Removing the Housings 121 4.2.2 Removing the Board Assembly 127 4.2.3 Removing the Waste Ink Pads 131 4.2.4 Removing the ASF Unit 132 4.2.5 Removing the Paper Eject Unit 140

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CONTENTS
Chapter 1 PRODUCTION DESCRIPTION
1.1 Overview
9
1.2 Basic Specifications
10
1.2.1 Specification Outline Comparison
............................................................
10
1.2.2 Paper Specification
....................................................................................
15
1.2.3 Printing Area
.............................................................................................
17
1.2.4 Ink Type-based Medium Compatibility Specifications
.............................
23
1.2.5 Release Lever
............................................................................................
25
1.3 Functions
26
1.3.1 Control Panel
.............................................................................................
26
1.3.2 Switches
.....................................................................................................
26
1.3.3 Indicators
...................................................................................................
26
1.3.4 Switch Functions
.......................................................................................
26
1.3.5 Default Setting Selection Function
............................................................
28
1.3.6 Special Setting Mode Function
.................................................................
29
1.3.7 Status Printing
...........................................................................................
30
1.3.8 Panel Operation for Roll Paper Printing
....................................................
31
1.3.9 Panel Operation for CD-R Printing
...........................................................
33
1.3.10 Panel Operation for Thick Paper Printing
...............................................
33
1.3.11 Panel Operation in Roller Cleaning Mode
..............................................
34
1.3.12 Indicator Display in Normal Mode
..........................................................
35
1.3.13 Error Status
..............................................................................................
36
1.4 Casing Specifications
37
1.5 Accessories
37
1.6 Environment Specification Items
38
Chapter 2 OPERATING PRINCIPLES
2.1 Overview
40
2.2 Printer Mechanism
40
2.2.1 Carriage Mechanism
..................................................................................
41
2.2.2 Print Mode
.................................................................................................
44
2.2.3 Paper Feeding Mechanism
........................................................................
48
2.2.4 Paper Loading Mechanism
........................................................................
54
2.2.5 Ink System Mechanism
.............................................................................
58
2.2.6 Ink Sequence
.............................................................................................
60
2.2.7 Paper Cutter Mechanism
...........................................................................
63
2.2.8 Power-On Sequence
..................................................................................
65
2.3 Electrical Circuitry Operating Principles
66
2.3.1 Power Supply Circuit Operating Principle
................................................
67
2.3.2 C387MAIN Circuit Operating Principle
...................................................
68
Chapter 3 TROUBLESHOOTING
3.1 Overview
70
3.2 Error Indications and Fault Occurrence Causes
70
3.3 Troubleshooting
78
3.3.1 Superficial Phenomenon-Based Troubleshooting
...................................
104
3.4 EEPROM Data Analysis
114
Chapter 4 disassembly and assembly
4.1 Overview
116
4.1.1 Precautions
..............................................................................................
116
4.1.2 Tools to Be Used
.....................................................................................
117
4.1.3 Screw List
................................................................................................
118
4.1.4 Pre-Shipment Checks
..............................................................................
119
4.2 Disassembly
120
4.2.1 Removing the Housings
..........................................................................
121
4.2.2 Removing the Board Assembly
...............................................................
127
4.2.3 Removing the Waste Ink Pads
.................................................................
131
4.2.4 Removing the ASF Unit
..........................................................................
132
4.2.5 Removing the Paper Eject Unit
...............................................................
140