Dell 1600n Multifunction Mono Laser Printer Service Manual
Dell 1600n Multifunction Mono Laser Printer Manual
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- Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 1
TM Easy as DellTM Laser MFP 1600n SERVICE Manual DellTM Laser MFP CONTENTS 1. Precautions 2. Reference Information 3. Specifications 4. Summary of product 5. Disassembly and Reassembly 6. Alignment and Adjustments 7. Troubleshooting 8. Exploded Views and Parts List 9. Block Diagram 10. - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 2
© Copyright Dell Inc. May. 2004 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 3
by appropriately qualified service engineers. High voltages and lasers inside this product are dangerous. This printer should only be serviced by a suitably trained and qualified service engineer. (2) Use only Samsung replacement parts There are no user serviceable parts inside the printer. Do not - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 4
away from children. The toner powder contained in the toner cartridge may be harmful and if swallowed you should contact a doctor. 1.2.2 Electric Shock and Fire Safety Precautions Failure to follow the following instructions could cause electric shock or potentially cause a fire. (1) Use only - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 5
following instructions are for your own personal safety, to avoid injury and so as not to damage the printer (1) Ensure the printer is installed on a level surface, capable of supporting its weight. Failure to do so could cause the printer to tip or fall. (2) The printer contains many rollers, gears - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 6
finger or hair into the rotating parts. When operating a printer, do not put hand or hair into the rotating parts (Paper feeding entrance, motor, fan, etc.). If do, you can get harm. (3) When you move the printer. This printer weighs 15.6kg including toner cartridge and cassette. Use safe lifting - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 7
removed for your personal safety reasons prior to applying power to the unit under test. 2. After removing an electrical assembly equipped with ESDs, will be installed, until completely plugged or soldered into the circuit. 9. Minimize bodily motions when handling unpackaged replacement ESDs. Normal - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 8
this manual, and a guide to the location space required when installing the printer. A definition of tests pages and Wireless Network information definition is also included. 2.1 Tool for Troubleshooting The following tools are recommended safe and easy troubleshooting as described in this service - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 9
network pound(s) Laser Beam Printer Liquid Crystal Display Light Emitting Diode Laser Scanning Unit Megabyte Megahertz Nonvolatile random access memory Organic Photo Conductor Printed Board Assembly Printer Command Language , Printer Control Language Page Discription Language Page Per Minute Pre - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 10
used in a factory. The contents of the life span and the printing speed are measured with the pattern shown in below. (The picture in the manual is 70% size of the actual A4 size.) 2.3.1 A4 5% Pattern Service Manual 2-3 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 11
Reference Information 2.3.2 A4 2% Pattern 2-4 Service Manual - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 12
2.3.3 A4 IDC 5% Patten Reference Information Service Manual 2-5 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 13
Reference Information 2.3.4 A4 ISO 19752 Standard Pattern This test page is reproduced at 70% of the normal A4 size 2-6 Service Manual - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 14
. Toner Cartridge) Gross Weight(with package) LCD I/O Interface MPU Power Consumption Printing Operation Sleep Mode Power Switch Power Supply Input Voltage Noise Warm Up Time Machine Life Input Frequency Printing Copy Standby from Cold Status Max. Monthly Print Volume Scan (Duty - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 15
) Pad Unit (ADF) Transfer Roller Fuser Unit Temperature Operating Non Operating Humidity Operating Non Operating Altitude Standard / Max. Type Expand Memory Slot , Type Compression Technology Tag Heuer SCX-4920N/DELL 150,000 Pages 150,000 Pages 20,000 Pages 60,000 Pages 80,000 Pages 10 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 16
Normal RET Toner Save Memory FPOT From Stand by From Cold Status Duplex Print Printable Area Halftone(Gray Scale) Tag Heuer SCX-4920N/DELL 22ppm/Ltr, button on CP) 16MB Approx. 10 seconds (From LSU 'ON', A4) Less than 50 seconds N.A 208 x 273 mm (Letter) 128levels Remarks Service Manual 3-3 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 17
Optical Enhanced Halftone Scan Size Max. Document Width Effective Scan Width Scan-to Scan Depth Color Mono Tag Heuer SCX-4920N/DELL Color CCD Approx (8.5") for only optical resolution Max 208mm(8.2inch) Scan-to-Application 24 bit 1bit for Lineart, 8 Bit for Gray scale 3-4 Service Manual - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 18
/DELL Copy ) 8cpm Origin Platen REAR LEFT Alignment ADF Center Resolution Scan:600x300dpi, 600*600dpi Print:600*600dpi Zoom Range 25 600x300dpi : Yes Auto return to default mode Yes Changeable Default mode Special Copy N-up copy Collation page(ex. ID Card Copy) Service Manual 3-5 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 19
Specifications Items TELEPHONE Handset On hook Dial Search Tag Heuer SCX-4920N/DELL No Yes Yes(Phone Book) 1-Touch Dial 10 Numeric Key pad (No dedicated keys) Speed Dial 200 On,Off, Comm) Remarks by using Phone Book Button(Same as Rocky) Total locations can be stored 3-6 Service Manual - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 20
Resolution Std 203*98dpi Fine 203*196dpi S.Fine 300*300dpi Scan Speed Std 2.5 sec/ LTR (ADF) Fine/S.Fine 5 sec/ LTR Rx fax duplex print out No Multiple page scan speed 14 ppm/LTR, Std mode Receive Mode Fax, PSTN/PABX LTRr/MMR 1,200 PPS 665 PPS 203*98dpi, ITU-T #1 Service Manual 3-7 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 21
Paper Handling (Continued) Tag Heuer SCX-4920N/DELL Remarks Option Yes (Standard) Protocol SPX/IPX, TCP/IP, Ethertalk, SNMP, HTTP 1.1, DLC/LLC Operating System MS Windows 98/2000/XP/NT/Me, MAC (English only, no status monitor, web download only) Capacity( 20lbs) Main Tray 250sheets Bypass - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 22
Win 2000 Win XP Mac Linux MFP Printer TWAIN WIA RCP PC-FAX Quick setup guide Owner's manual S/W CD ROM S/W OCR FAX SCAN S/W Toner Cartridge Power Cable Telephone Jack Printer Cable Type How to install Toner Life Toner Count Level Sensor Tag Heuer SCX-4920N/DELL Remarks 3.5/277mm - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 23
Specifications MEMO 3-10 Service Manual - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 24
Summary of Product 44. Summary of Product This chapter describes the functions and operating principal of the main component. 4.1 Printer Components 4.1.1 Front View Service Manual 4-1 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 25
a time. Load paper into the optional Tray2. Load paper into the standard Tray1. Access the toner cartridge. Hold paper as it exits from the front of the machine. Hold the document as it exits the ADF. Place a document on the scanner glass for copying, scanning and sending faxes. 4-2 Service Manual - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 26
When you want to: 11 Document Cover Open to place a document on the scanner glass. 12 Document Input Tray Load the document for copying, scanning and sending faxes. 13 Document Guides Ensure proper document feeding. 14 Rear Cover Open to remove the paper jams and use the rear output slot - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 27
Summary of Product 4.1.3 Control Panel 4-4 Service Manual - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 28
Summary of Product Service Manual 4-5 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 29
to the paper. - Life span: 60,000 sheets (in 15~30°C) 4.2.3 Drive Ass'y - It is motor driven gear unit, which drives the feeding unit, the fusing unit, and the distributing unit 4.2.4 Fuser - The fuser consists of the Heat Lamp, Heat Roller, Pressure Roller, Thermistor, and Thermostat. It melts the - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 30
safety. - Maintains the surface temperature of the Fuser Cover below 80°C. A customer caution label is attached on the inside of the rear cover. 4.2.5 Scanner It reads an image with a photosensitive sensor. It consists of a CCD module, Connection board, ADF board , AFE (Analog Front End), and Image - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 31
4.2.6 LSU (Laser Scanner Unit) The LSU unit is controlled by the video controller. It scans the video data received from video controller with laser beam by using a rotating polygon mirror to create the latent image on the OPC drum. The OPC drum rotates as the same speed as the paper feeding speed - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 32
roller. The developer unit contains toner, toner cartridge, supply roller, developing roller, and blade (Doctor blade) - Developing Method: Non magnetic 1 element contacting method - Toner: Non magnetic 1 element shatter type toner - The life span of toner: 3,000 sheets (ISO Pattern) - Toner - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 33
Summary of Product 4.3 Main PBA It is the functional center of the product. It controls the basic machine operations including the fax, scan, printer operations, sensor detection and power levels. 4 5 23 1 3 272 2 271 274 270 177 179 6 176 178 7 8 9 10 11 12 13 14 15 4-10 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 34
RELAY(HRSIKH) RE1 12 SDRAM(K4S281632E) U43 13 SDRAM(K4S281632E) U44 14 MODEM(CXB2500-11) U52 15 MOTOR DRIVER(A3977SLP) U50 16 FLASH MEMORY PCL-HIGH(29LV160DB) U27 17 FLASH MEMORY PS3-HIGH(29LV160DB) U19 18 FLASH ) U5 24 FLASH MEMORY CODE-HIGH(29LV160DB) U14 Summary of Product Service Manual 4-11 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 35
bit RISC micro controller is designed to provide a cost-effective, low power, small die size and high performance micro-controller solution for MFP SL_IDLE mode • A/D Converter (10-bit, 2 Channel) • General I/O Port It stores the system program and downloads the system program through the PC - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 36
opened, +24V (DC fan, solenoid, main motor, polygon motor part of LSU, HVPS), which is supplied to the each unit, is cut off. The cover-open sensing is operated by the D0 bit Motor Driving The motor driving circuit is formed when the Driver IC is selected. The A3977 (Motor driver IC) is used in this - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 37
of THV/MHV/Supply/Dev and supplies it to the developer part for making the best condition to display the image. The HVPS part takes the 24V and outputs the high voltage for THV/MHV/BIAS, and the outputted high voltage is supplied to the toner, OPC cartridge, and transfer roller. 4-14 Service Manual - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 38
of electronic potential on an exposed part by LSU (Laser Scanning Unit). * Generally, the electronic potential of exposed OPC is -180V and exposed developer is -350V when printing, so toner with minus (-) is developed on an exposed part. - Output voltage: -430V DC ± 20V - Error: 1. If DEV is GND - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 39
is consisted of the SMPS part, which supplies the DC power for driving the system, and the AC heater control part, which supplies the power to fuser. SMPS has two output : 1830 ± 50mm 5) Power Switch : Use 4-16 Service Manual CH3 (+24V) 0.4 A 2.0 A 0.4A Remark AVG:55 Wh AVG 350 Wh AVG : 20 Wh - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 40
problem Fuser (HEAT LAMP) gets heat from AC power. The AC power controls the switch with the Triac, a semiconductor switch. The 'On/Off control' is operated when the gate of the Triac is turned on/off by Photo triac (insulting part). In the other words, the AC control part is passive circuit heat - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 41
cannot pass the exit sensor after certain time. 4.5.2 Drive By gearing, the main motor drives the rollers such as feeding roller, developing roller, fuser roller, and distributing roller. The step motor is controlled for the sections, acceleration section and fixed speed section. In the initial - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 42
the fusing, the error stated in the table occurs. 4.5.4.1 Error Type Error Open heat error Lower heat error Over heat error Description When warming up, it has been lower than 68 °C over 25 sec • Standby: It has been lower than 100°C over 25 sec • Printing: - 2 consecutive pages: it has been - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 43
absorber to protect it from an external high voltage supply applied to a line input unit. 4.7 OPE PBA OPE board is consists of various function keys and LCD to display an operation of key. MICOM creates a circuit with using HT48R50 MICOM of HOLTEC CO. and applies LED and LCD. A communication method - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 44
. 2. Be sure to remove the toner cartridge before you disassemble parts. 3. Unplug the power cord. 4. Use a flat and clean surface. 5. Replace only with authorized components. 6. Do not force plastic-material components. 7. Make sure all components are in their proper position. Service Manual 5-1 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 45
Precautions 5.2 Rear Cover 1. Remove the four screws securing the Rear Cover. 3. Unlatch the (Cover Face Up) securing the Rear cover, as shown below.Then lift the (Cover Face Up) out. Cover Face Up 2. Remove the Rear Cover from the Frame Ass'y and Scanner Ass'y. Rear Cover 5-2 Service Manual - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 46
(LH, RH), you should remove: - Rear Cover (see page 5-2) 2. Take out the Cassette. Precautions 4. Open the front cover and remove the 2 screws on the front left and remove it from the Frame Assembly. Side Cover (LH) Cassette 3. Open the front cover and remove the 2 screws on the front side and 1 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 47
Precautions 5.4 Front Cover 1. Open the Front Cover. 2. Unlatch the Front Cover securing the Frame Ass'y. Then remove the Front Cover, as shown below. Front Cover 5-4 Service Manual - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 48
LH, RH) (see page 5-3) 2. Remove the 2 screws securing the Scanner Ass'y, as shown below. 4. Pull up the Scanner Ass'y, as shown below. 3. Remove the 5 connectors and the ground wire screw from the main PBA as shown below. 5. Pull the Platen Cover upward and remove it. 1 3 2 Service Manual 5-5 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 49
shown below. 9. Remove the 4 screws securing the Scan Upper. 7. Lift the front part of the cover OPE dummy to release the hook connecting the cover with the scan assembly. 10. Unlatch the Scan Upper securing the Scan Ass'y Then pull the Scan Upper upward and remove it. Scan Upper 5-6 Service Manual - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 50
Gear-Timing Gear-Reduction Caution: Assembling Scanner Module When assembling the scanner module, the belt and the belt Spring, the belt spring must be located on the right side of the scanner module and the parts should be put as close to each other as possible as shown below. Service Manual 5-7 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 51
Precautions 15. Remove the 3 screws and take out the Motor Bracket. Motor Braket 17. Unlatch the Open Sensor and remove it, as shown below. Open Sensor 16. Unplug the one connector from the Open Sensor Ass'y. 18. Remove the Holder CCD Unlock Lock Holder CCD 5-8 Service Manual - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 52
page 5-3) - Scanner Ass'y (see page 5-5) 2. Remove the 2 screws securing the ADF Ass'y and remove it. ADF Ass'y 5. Remove the 2 screws securing the Upper Cover and remove it, as shown below. Upper Cover 3. Remove the Open Cover, as shown below. Open out. Pick up Ass'y Bushing Service Manual 5-9 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 53
page 5-2) - Side Cover (LH, RH) (see page 5-3) - Scanner Ass'y (see page 5-5) 4. Remove the Key Pad from the OPE Cover. 2. Remove the 5 screws securing the OPE PBA from the OPE Cover. OPE Cover OPE PBA 3. Remove the Contact Rubber from the OPE Cover. Key Pad Contact Rubber 5-10 Service Manual - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 54
Precautions 5.8 Middle Cover & Exit Roller 1. Before you remove the Exit Roller, you should remove: - Rear Cover (see page 5-2) - Side Cover (LH, RH) (see page 5-3) - Scanner Ass'y (see page 5-5) - Controller Shield Ass'y (see page 5-12) 2. Remove the 6 screws securing the Middle Cover and remove - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 55
you remove the Main PBA, you should remove: - Rear Cover (see page 5-2) - Side Cover(LH, RH) (see page 5-3) 2. Remove the 8 connectors and the 5 screws connecting the Controller Shield Remove the 3 screws to remove the bracket from the main board. Main Board NIC Card Bracket 5-12 Service Manual - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 56
Shield Ass'y & Exit Board 1. Before you remove the Engine Shield Ass'y, you should remove: - Rear Cover (see page 5-2) - Side Cover(LH, RH) (see page 5-3) - Scanner (see page 5-5) 3. Remove the 12 Ass'y Fan Connector 4. Remove the 2 screws to remove the exit board. Exit Board Service Manual 5-13 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 57
- Scanner Ass'y (see page 5-5) - Engine Shield Ass'y(see page 5-12) 2. Remove the 3 screws securing the Inlet Bracket and remove it Inlet Bracket 4. Remove the 4 screws securing the SMPS. Then lift the SMPS out, as shown below. SMPS 3. Remove the one screw securing the Engine Shield. 5-14 Service - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 58
Lamp from the Heat Roller Heat Roller Halogen Lamp 3. Remove the 2 screws securing the Thermostat. Then lift the Thermostat out 5. Remove the 4 screws to remove the fuser cover as below. Remove the 2 screws to remove the guide input.. Claw Fuser Cover Thermostat guide Input Service Manual 5-15 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 59
Precautions 6. Unwrap the Thermistor Harness, as shown below. 7. Remove the one screw securing the Thermister and remove it, as shown below. Thermistor Thermistor 5-16 Service Manual - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 60
5.13 Fan 1. Before you remove the Fan, you should remove: - Rear Cover (see page 5-2) - Side Cover (RH) (see page 5-3) Precautions 2. Unplug the connector from the SMPS and remove the one screw. Then take out the Fan. DC Fan Service Manual 5-17 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 61
remove: - Rear Cover (see page 5-2) - Side Cover (LH, RH) (see page 5-3) - Scanner Ass'y (see page 5-5) - Front Cover (see page 5-4) - Middle Cover (see page 5-11) - LSU (see page 5-18) 2. Remove the 4 screws to separate the CRUM board from the main frame as below. CRUM Board 5-18 Service Manual - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 62
- Rear Cover (see page 5-2) - Side Cover (LH) (see page 5-3) - Shield Controller Ass'y (see page 5-9) 2. Remove the 5 screws securing the Drive Ass'y. Drive Ass'y Precautions 3. Take out the Drive Ass'y, then unplug the connector from the Motor PBA, as shown below. Drive Ass'y Service Manual 5-19 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 63
'y, you should remove: - Rear Cover (see page 5-2) - Side Cover (LH, RH) (see page 5-3) - Scanner Ass'y (see page 5-5) - Front Cover (see page 5-4) - Middle Cover (see page 5-11) - LSU (see page 5-18) 4. Remove the transfer roller by pressing the hook securing the roller to the right using a tool - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 64
it. 4. Remove the 3 screws securing the Feed Bracket and remove it. Feed Bracket 5. Remove the Feed Gear2. Guide Paper Front 3. Remove the screws on the right and left sides of the guide paper to remove it as well as the spring as below. Screw Guide Paper Spring Feed Gear2 Service Manual 5-21 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 65
Precautions 6. Remove the Feed Gear1 Ass'y. Feed Gear1 Ass'y 7. Pull up the Feed Roller and Feed Roller1. Feed Roller Feed Roller1 5-22 Service Manual - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 66
stopper securing the sponge-roller to the right and then turn the sponge-roller to remove it from the shaft. Stopper Sponge Roller Shaft When replacing the pick up roller only, it is possible to remove it by turning over the set after removing the cassette and the processor. Service Manual 5-23 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 67
Scanner Part ADF-Roller Pickup-Roller ADF-Idle Roller Sensor-Regi Feed-Roller SSeennssoorr--SScaann Sensor-Doc White-Sheet Doc-Paper(30Sheets) Exit-Roller CCD-Module Engine Part 4 Fuser 7 PR 1 3 L S U CR Toner Cartridge DR OPC SR 2 6 PTL TR FR 8 K /R 5 P IC Service Manual - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 68
.) Engine Part 3 Fuser 7 PR 1 L S U CR Toner Cartridge DR OPC SR 2 6 PTL TR FR 4 K /R 5 P IC 1 Paper Input (Cassette) 2 Paper Input (Manual Feeder) 3 Paper Out (Face Down) 4 Paper Empty Sensor (Manual) 6-2 Service Manual 5 Paper Empty Sensor (Cassette) 6 Paper Feeding Sensor 7 Paper - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 69
Sensor Paper Jam1 Fuser EXIT Sensor PR L S U CR OPC Toner Cartridge DR SR PTL Feed MP Sensor TR Sensor FR P IC Empty Sensor Paper Jam2 Fuser EXIT Sensor PR L S U CR OPC TR Toner Cartridge DR SR PTL Feed Sensor FR MP Sensor P IC Empty Sensor Bypass Jam Service Manual 6-3 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 70
. 6.2.1.1 Input Misfeed 1) Open the ADF top cover. ADF. 3) Close the ADF top cover.Then load the documents back into the ADF. NOTE : To prevent document jams,use the document glass for the thick,thin or mixed documents. 2) Pull the document gently to the right and out of the 6-4 Service Manual - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 71
.Then load the documents back into the ADF. 6.2.1.3 RollerMisfeed 1) Open the document cover. 2) Turn the release knob so that you can feed area by carefully pulling it towards the right by using both hands. 3) Close the document cover.Then load the documents back into the ADF. Service Manual - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 72
it snaps into place. 3) Remove the jammed paper by gently pulling it straight out. 5) Open and close the front cover to resume printing. If there is any resistance when you pull the paper or the paper is not seen in this area,skip to the fuser area around the toner cartridge 6-6 Service Manual - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 73
tray. 4) Remove the jammed paper by gently pulling it straight out.. 3) If there is any resistance when you pull the paper or the paper is not seen in the front output tray,open the rear cover. 5) Close the rear cover. 6) Open and close the front cover to resume printing. Service Manual 6-7 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 74
fuser area is hot.Be careful when removing paper from the machine. 1) Open the front cover and remove the toner cartridge. 3) Replace the toner cartridge and close the front cover. Printing automatically resumes. 2) Remove the jammed paper by gently pulling it straight out. 6-8 Service Manual - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 75
types,most paper jams can be avoided.If a paper jam occurs,follow the steps outlined in "Clearing Paper Jams " • Follow the procedures in "Loading Paper " .Ensure that the adjustable guides are positioned correctly. loading paper in the paper tray and facing up in the Bypass tray. Service Manual 6-9 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 76
the ways to use are explained in the user manual. In the service manual, the items are about the possible set-up by user. 1.Paper Setting Paper Tray Paper Size 2.Copy Setup Change Default Timeout 6.Reports System Data 9.Maintenance Clean Drum Clear Memory 8.Machine Setup Language Power Save - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 77
explained in the user manual. In the service manual, the items are about the possible set-up by user. 1.Paper Setting Paper Tray Paper Size 2.Copy Setup Change Default Timeout 3.Fax Setup Receive Save CCD Power Save USB Mode 9.Maintenance Clean Drum Notify toner Clear Memory Service Manual 6-11 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 78
Alignment & Adjustments 6.4 Tech Mode 6.4.1 How to Enter Tech Mode In service (tech) mode, the technician can check the machine and perform various sequence, and the LCD briefly displays 'TECH', the machine has entered service (tech) mode. 6.4.2 Setting-up System in Tech Mode SCX-4920N 6-12 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 79
. It is best set 33.6Kbps as default setting. ERROR RATE When the error rate is about exceed the set value, the Baud rate clear all memory. NOTICE : Always perform a memory clear after replacing the main board. Otherwise, the system may not operate properly. Country Group Service Manual 6-13 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 80
Firmware. < Method > How to Update Firmware using RCP 1. Connect PC and Printer with Parallel Cable or USB Cable. 2. Execute RCP and select Firmware Update. 3. Search Firmware file to update with Browse Icon. 4. Click Update icon, firmware file is transmitted to Printer . 6-14 Service Manual - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 81
is displayed on the LCD window each time you press a it means the modem part of the main board malfunctioned. DRAM TEST Use printer mechanism is functioning properly. It is needed in the production progress. Service person doesn't need to use it. SHADING TEST The function is to get the optimum scan - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 82
of the CCITT group 3 T.30 protocol during the most recent sending or receiving operation. Use this list to check for send and receive errors. If a communication error occurs while the machine is in TECH mode, the protocol list will print automatically. SYSTEM DATA This list provides a list of the - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 83
After Entering the mode,the message,"Engine Test Mode " is Manual Clt Test 5 PTL Test 1 1 LSU Motor Test 2 LSU Hsync Test 3 LD Test 2 1 Feed Sen Test 2 Exit Sen Test 3 Cover Sen Test 4 Empty Sen Test 5 Manual : 101 ± 5) 1 : On, 2 : Off (Compare each ADC Value) Service Manual 6-17 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 84
When the Laser Scanning Unit is ready to print. On the other case "Laser Error" "Diode On" is displayed, when the laser diode is on. On the other case "Diode Off" is displayed. These Functions are considered to check the present state (normal or not)of the Sensors. After the cover is open, touch the - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 85
after memory delete (Clear All Memory). < Method > Press MENU, #, 1, 9, 3, # in sequence.Firmware version is displayed on LCD. Press 1( in the number keypad) : The LCD display shows "Updated date" Press 2( in the number keypad) : The LCD display shows "Product first use date" Service Manual 6-19 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 86
The cycle period given below is for reference only. COMPONENT ADF Rubber ADF Roller Pick-up Roller Friction Pad Transfer Roller Fuser Toner Cartridge REPLACEMENT CYCLE 20,000 Pages 60,000 Pages 60,000 Pages 60,000 Pages 60,000 Pages 80,000 Pages 3,000 Pages (A4 ISO 5% Pattern) 6-20 Service Manual - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 87
periodically, check the parts shown below. Alignment & Adjustments Fuser PR L S U CR OPC TR Toner Cartridge DR SR PTL MP Sensor FR K /R P IC 1 OPC Drum 2 Charge Roller 3 Supply Roller 4 Developing Roller 5 Transfer Roller 6 Heat Roller 7 Pressure Roller No Roller Abnormal image period - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 88
should send the remaining pages later when memory is available. [COMM. Error] Meaning: The multi-function printer has a communication problem. Solution: Ask the sender to try again. CRU Fuse Error [Low Heat Error] Meaning: There is a problem in the fuser unit. Solution: Check thermostat, thermister - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 89
number manually using the number keypad. [Hsync Error] [ LSU Error] Meaning: A problem has occurred in the Laser Scanning Unit (LSU). Solution: Use TECH mode to test LSU. Replace the LSU [No Cartridge] Meaning: The toner cartridge is not installed. Solution: Install the toner cartridge. [Line Error - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 90
cancel the redial operation. [Toner Low] Meaning: The toner is almost empty. Solution: Take out the toner cartridge and gently shake it. By doing this, you can temporarily reestablish printing operations. Or Replace the toner cartridge with a new one for the best print quality. 6-24 Service Manual - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 91
occur, check whether the assembly slot between shaft-pickup and housing-pickup become open or is broken away. 5. If the paper feeds into the printer rand Jam 0 occurs, perform DCU to check feed-sensor of the engine board. 4. Replace the Housing-Pickup and/or Shaft-Pickup. Service Manual 7-1 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 92
Troubleshooting 7.1.3 JAM 1 • Description 1. Recording paper is jammed in front of or inside the fuser. 2. Recording paper is stuck in the discharge roller and in the fuser just after passing through the Actuator-Feed. Fuser EXIT Sensor PR L S U CR OPC TR Toner Cartridge DR SR PTL Feed - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 93
Troubleshooting 7.1.5 Multi-Feeding • fuser, clean the area between the Heat-roller and Thermistor and remove the foreign matter off of the pressure roller. 2. If background appears badly in the printing, fix it by referring to the solutions for background. (See 4.5.8 Background) Service Manual - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 94
Troubleshooting 7.1.7 Paper rolled in the OPC • Description Paper is rolled up in the of ADF Ass'y (3 paper sensors) are normal. Solution 1. Replace the contaminated or damaged part. 2. If you cannot confirm the damaged part with the naked eye, try to replace the ADF Ass'y. 7-4 Service Manual - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 95
Troubleshooting 7.2. Printing Problems (malfunction) 7.2.1 Defective Operation (LCD WINDOW ) Display • Description Strange characters are displayed on the OPE Panel and buttons are not operated. Check and Cause 1. Clear the memory.(see page 6.5.3) 2. Check if OPE HARNESS is connected to the - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 96
Troubleshooting 7.2.3 Not functioning of the fuser gear due to melting away • Description The Motor breaks away from its place due to gear melting away. Check and Cause 1. Check the Heat Lamp. Solution 1. Replace the Fuser. 2. Replace the Main PBA. 3. Replace the SMPS. 7.2.4 Paper Empty • - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 97
The ERROR lamp does not come on even when the printer Door is open. Check and Cause Check the Connector(CN1) and Circuit of the Cover Switch department in the Main PBA. Solution 1. Check the insertion of the Door S/W Connect. 2. Replace the Main PBA or Door Open S/W. Service Manual 7-7 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 98
Troubleshooting 7.2.8 Defective Motor operation • Description Main Motor is not driving when printing, and paper does not feed into the printer, resulting 'Jam 0'. Check and Cause 1. Motor harness or sub PCB may be defective. Solution 1. Check the Motor harness, replace it, if defective. 2. - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 99
Description When printing, vertical line gets curved. Check and Cause 1. If the supply of +24v is unstable in the Main Control board linking with LSU, check drive by Engine Test Mode : Diagnostic Code 1 LSU Motor on. 1. Replace LSU. Solution 2. Replace the Main Control board. Service Manual 7-9 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 100
cartridge) 4. If the fuser is defective, voids occur periodically at the top of a black image. 4. No. 4. : Open the front cover and check ribs that corresponds to the position of the voids. Remove if found. 5. If the problems are not solved, replace the developer cartridge. 7-10 Service Manual - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 101
the roller's life is expired, replace it. 4. In case of 37.7 mm interval unremovable in 1, take measures as to replace the developer cartridge and try to print out. 5. Clean the inside of the set against the paper particles and foreign matter in order not to cause the trouble. Service Manual 7-11 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 102
Troubleshooting 7.3.5 Light Image • Description The printed image is light, with no ghost. Digital Printer Digital Printer Digital Printer Digital Printer Digital Printer Check and Cause 1. Develop roller is stained when the toner of developer cartridge is almost consumed. Solution 1. Check if - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 103
are damaged, the transfer roller is improperly installed, or the transfer roller bushing or holder is damaged. 2. The life of the Developer has expired. Solution 1. Replace both the left and right Spring Holder. 2. Problem with the toner cartridge, replace the toner cartridge and try to print out - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 104
body and the one in the HVPS board. 2. Problem in the toner cartridge, replace the toner cartridge and try to print out. 3. The life of developer is expired. 3. Replace the engine board if not solved by the above directions 1-2. 4. Transfer roller lifetime(60,000 sheets) has 4. If not solved by - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 105
. Solution 1. Replace the toner cartridge. 2. If the transfer roller is contaminated, stains on the face of page will occur. 2. If the transfer roller is contaminated, run PC Cleaning Mode Print 2 or 3 times. And perform Self-Test 2 or 3 times to remove contamination. Service Manual 7-15 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 106
2. Replace the transfer roller if contaminated severely. 3. Disassemble the fuser and clean the H/R(Heat Roller) and P/R(Pressure roller). And check the area between H/R and Thermistor. If contaminated, clean the area is should not be deformed. • Description Blank page is printed. Digital Printer - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 107
Troubleshooting 7.4 Fax & Phone Problems 7.4.1 No Dial Tone • Description While on-hook button LIU and the Main PBA, try to replace the HARNESS. 3. The problem still persists, then replace the LIU and the main B'd in sequence. Notes: Product supports the MF DIAL type only. Service Manual 7-17 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 108
Troubleshooting 7.4.3 Defective FAX FORWARD/RECEIVE • Description The FAX FORWARD/RECEIVE is not functioning. Check and Cause 1. Check if you can or gets stripped off or down. Solution 1. If it makes NOISE while using on-hook dial, replace or repair the telephone line. 7-18 Service Manual - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 109
Troubleshooting 7.4.5 Defective FAX RECEIVE (1) • Description FORWARD is functioning, but RECEIVE is not functioning or the received data are MODE. Solution Even when the RECEIVE Mode is changed to FAX MODE, it cannot receive, then replace the LIU and the Main B'd in sequence. Service Manual 7-19 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 110
Troubleshooting 7.4.8 Defective FAX RECEIVE (4) • Description The received data is reduced by more than 50% in the printing. Check and MODE. 2. Even after the RECEIVE Mode is changed to the FAX Mode, it cannot receive, then try to replace the LIU and the Main B'd in sequence. 7-20 Service Manual - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 111
Troubleshooting 7.5 Copy Problems 7.5.1 White Copy • Description Blank page is printed out when copy. Check and Cause 1. Check the Scan-Cover open. 2. Check shading profile. 3. Check white/black reference voltage in Main PBA. Solution 1. Room light ca transit a thin original. 2. Remake shading - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 112
Motor and any mechanical disturbance. 2. Check the Motor Driver in Driver PBA. Solution 1. Check the right position of the Scanner Motor, and check the any mechanical disturbance in the CCD carriage part. 2. If any driver is defective, replace it. • Connection PBA U4-1, 19 or U5-1, 19=0V to 24V - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 113
Troubleshooting 7.6 Scanning Problems 7.6.1 Defective PC Scan • Description The PC Scan is not functioning at all. Check and Cause 1. Check the Cable (USB or Parallel) 2. Check if the driver is installed properly. 3. Check if copy function operates normally. Solution 1. If the PC and the cable - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 114
to the recycling brochure packed with the toner cartridge for details. 5. Close the front cover. 7.7.3 Service for Judgement of Inferior Expendables and the Standard of Guarantee Please refer to User's Manual or Instructions on Fax/Printer Expendables SVC for the judgement of inferior expendables - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 115
developer is normal. (Because of foreign substance on the LSU window, the image has not been printed partly.) 3. In case of 3If the cycle of noise is about 2 seconds, the toner inside the developer has been nearly exhausted.( Purchase and replace with a new developer after using about 200 sheets at - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 116
Replace the developer according to carelessness. 3. In case of 3 Exchange the transfer roller because the life of the transfer roller (2) Check the appearance of parts of the developer, such toner nearly being expired are collected to use, it is judged as the recycled developer. 7-26 Service Manual - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 117
Troubleshooting foreign substance or toner are stuck to toner and foreign substances adhered to the contact point of the developer. (2)The contact point of the unit Especially check the charged roller terminal.) 2. In terminals of the charged roller, then recheck it. the developing roller terminal.) - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 118
TCP/IP protocol is installed in your PC. 2.Check whether your PC is on the same network with print server. Use SyncThru to see if PortThru indicates that queue is serviceable. If not, the login permissions may have changed or the configuration information for queues,printers and print servers may - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 119
support the AppleTalk protocol,then ask the network manager to solve this problem. 1.Make sure the PS option is installed in your printer correctly. 2.Make sure the SIMM provided with PS option is installed correctly. Check that the total memory is 12MB by printing a self-test page. 7.8.3 Windows - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 120
values of IP address, subnet mask and default gateway. Try Add a Port. 7.8.4 SyncThru Installation Problems Problem Solution "File Transfer Error" message appears when you execute Installation. 'Unable to add the Port list of Samsung ports' message appears, when you add a port. 1.Make sure - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 121
8.5 Scanner Assembly Exploded view page(8-12) 8.6 Middle Cover Assembly Exploded view page(8-14) 8.7 Frame Ass'y Exploded view page(8-15) 8.8 Fuser Ass'y Exploded view page(8-18) 8.9 Cassette Ass'y Exploded view page(8-21) 8.10 SCF(Option Cassette Frame) Exploded view page(8-23) Service Manual - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 122
Exploded View & Parts List 8.1 Main Assembly 8-2 Service Manual 1-1 1-3 12-2 0 1 1-2 1-4 10-3 10-5 10-4 10-6 20 12-1 12-3 10 10-1 10-2 7 9 8 26 28 27 12 3 4 16 11 18 6-1 19 14-5 14-2 14 14-4 5 14-1 14-3 17-1 17 17-3 2 13 24 1-5 6 22 6-2 6-3 6-4 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 123
10-5 11 12 12-1 12-2 12-3 Description MFP 1600n MFP 1600n MFP 1600n MFP 1600n MFP 1600n MFP 1600n ELA HOU-UNIT SCAN ELA HOU-ADF COVER-OPE DUMMY R2 COVER-OPE POCKET ELA HOU-OPE ELA HOU-PLATEN ELA UNIT-FRAME DELL ELA UNIT-RX DRIVE UNIT-HUMMINGBIRD LSU CBF HARNESS-LSU ELA HOU-SHIELD ASS'Y LV, 110V ELA - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 124
19 20 22 23 24 26 27 28 Description COVER-SIDE R_R2 MEA UNIT-COVER REAR COVER-REAR R2 COVER-FACE UP R2 MAGNETIC CATCH COUNTER PART LABEL-PORT(REAR-COVER)/330 BADGE-DELL CBF HARNESS-MOTOR MEA ETC TR ROLLER-TRANSFER R2 GEAR-TRANSFER COVER-MIDDLE FRONT L COVER-MIDDLE FRONT R PBA SUB-LIU - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 125
Assembly Parts List No. 0 1 2 3 4 5 6 7 8 9 Description ELA UNIT-RX DRIVE BRACKET-GEAR MAIN GEAR-RDCN 53/26 GEAR-RDCN 113/33 GEAR-RDCN 57/18 WASHER-PLAIN BRACKET-MOTOR MAIN R2 GEAR-RDCN 103/41 GEAR-RDCN 90/31 MOTOR STEP-MAIN SA : Service Available O : Service available X : Service not available - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 126
Exploded View & Parts List 8.3 ADF Assembly 5-1 5-2 5 5-2 6 6-3 6-1 6-2 ADF ASS'Y 1-2-4 1-2-1 1-2 1-2-2 1-2-3 1 4 1-1 3-5 3-6 3-14 2-16 3-4 3-18 3-3 3-11 3-7 2-7 2-5 3-12 3-2 0 2-8 3-19 2-9 2-15 2-1 2-10 2 3 2-17 2-19 2-12 2-18 2-11 2-19 2-13 2-11 8-6 Service Manual - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 127
ADF Assembly Continued. 4 4-3-2 Exploded View & Parts List 4-3-4 4-3-3 4-8 4-9 4-4 4-4 4-5 4-6 4-2 4-3 4-3-1 4-7 S 4-7 S 4-1 Service Manual 8-7 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 128
-C GUIDE-STACKER SUB CBF HARNESS ADF ROLLER GND IPR-BRKT WHITE BAR SPRING ETC WHITE BAR ELA HOU-ADF MOTOR BRACKET-GEAR ADF MOTOR BLOWER-ADF GEAR-CLUTCH 29 PMO-WHITE CLUTCH SUB 29 GEAR-CLUTCH 39 RING-C GEAR-IDLE 35 ADF GEAR-40/21 ADF 8-8 Service Manual SA : Service Available O : Service available - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 129
UNIT-HINGE RPR-ROLLER EXIT IDLE SHAFT-IDLE FEED MEA UNIT-COVER OPEN COVER-ADF OPEN R2 PMO-GUIDE PAPER DAMPER-PICKUP ADF MEA UNIT-PICKUP PMO-BUSHING WHITE GEAR-ADF 38 RING-C Exploded View & Parts List SA : Service Available O : Service available X : Service -000159 1 X Remark Service Manual 8-9 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 130
Exploded View & Parts List 8.4 OPE Unit Assembly 0 2 3 4 15 9 8 11 5 6 13 17 1 12 10 7 14 16 8-10 Service Manual - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 131
WINDOW-LCD KEY-COPY_DELL KEY-START COPY KEY-CANCEL KEY-SEND FAX KEY-START SCAN KEY-SCROLL_DELL KEY-QUALTY KEY-FAX_DELL KEY-MENU KEY-TEL_DELL RUBBER-SCROLL_DELL RUBBER-TEL/FAX_DELL RUBBER-COPY_DELL PBA SUB-OPE SCREW-TAPTITE Exploded View & Parts List SA : Service Available O : Service available - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 132
Exploded View & Parts List 8.5 Scanner Assembly 1-3-2 1-3-4 1-3-3 1-3-1 1-3 1-1 1-2 1 1-4 0 2 2-15 2-2 2-15-7 2-15-6 2-15-5 2-15-4 2-15-3 ? 2-15-8 2-9 2-13 2-10 2-5 2-3 2-15-1 2-8 2-11 2-6 2-13 2-12 2-7 2-15-2 2-16 2-4 2-1 2-14 8-12 Service Manual - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 133
Scanner Assembly Parts List No. 0 1 1-1 1-2 1-3 1-3-1 1-3-2 1-3-3 1-3-4 1-4 2 2-1 2-2 2-3 2-4 2-5 2-6 2-7 2-8 2-9 2-10 2-11 2-12 2-13 2-14 2-15 2-15-1 2-15-2 2-15-3 2-15-4 2-15-5 2-15-6 2-15-7 2-16 Description ELA HOU-PLATEN MEA UNIT-SCAN UPPER COVER-SCAN UPPER DELL GLASS-SCAN MEA UNIT-SCAN DUMMY - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 134
List 8.6 Middle Cover Assembly 0 2 4 1 3 Middle Cover Assembly Parts List No. 0 1 2 3 4 Description MEA UNIT-COVER MIDDLE COVER-MIDDLE R2 COVER-REAR UPPER COVER-STACKEP RX BUSH-F/DOWN R2 SA : Service Available O : Service available X : Service not available SEC.Code Q'ty SA JC97-01932A - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 135
Service Manual 8-15 49 29 34 Transfer Roller 56 32 38 37 30 28 71 46 46-1 46-2 42 39 43 41 44 17 40 47 47-1 47-2 47-3 47-4 50 47-5 45-1 68 55 54 71 3 1 70 16 18 15 20 25 7 11 10 13 6 14 8 9 12 19-2 58 19-1 22 48 2 4 60 8.7 Frame Assembly Exploded View & Parts List - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 136
-LOCKER CST PMO-ACTUATOR CVR OPEN PMO-PLATE GUIDE DEVE_R SPRING ETC-GUIDE DEVE GROUND-PUSH BUSHING PMO-PLATE GUIDE DEVE_L PMO-ACT FEED R2 PMO-ACTUATOR EMPTY PMO-ACT MANUAL R2 GROUND-EARTH TR R2 GROUND-TERMINAL TR ROLLER-FEED ROLLER 1 PMO-BUSHING FEED SHAFT-FEED MEA UNIT-PICKUP BUSH-M-PICK_UP L SHAFT - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 137
-PTL R2 LENS-PTL PMO-BUSHING_TR(L) SPRING ETC-TR L HAWK ROLLER-FEED BUSH-M-TR L GROUND-FUSER R2 SHAFT-FEED IDLE BUSH-M-FEED IDLE SPRING ETC-TR GROUND-DRIVE2 R2 SPRING-TS CAM-M-PICK_UP GROUND-DRIVE R2 SOLENOID-FEED ROCKY2 SOLENOID-HB (MANUAL) MEA UNIT-GEAR PICKUP GEAR-PICK UP B_R2 GEAR-PICK UP A_R2 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 138
Assembly Parts List(Cont.) No. 55 56 57 57-1 57-2 57-3 57-4 58 59 61 62 63 64 65 65-1 65-2 65-3 65-4 66 68 69 70 71 72 73 Description GROUND-TERMINAL DEVE PBA SUB-PTL MEA UNIT-GUIDE PAPER GUIDE-PAPER FRONT SHEET-GUIDE PAPER ROLLER-M-IDLE FEED SPRING-ES HOLDER-TERMINAL R2 HOLDER-ACT MANUAL R2 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 139
8.8 Fuser Assembly Exploded View & Parts List 36 12 0 6 14 1 37 17 34 4 38 5 29 3 31 29 37 32 13 35 15 30 11 20 21 22 9 8 36 10 7 27 38 16 33 23 19 18 25 28 24 26 Service Manual 8-19 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 140
FRAME-FUSER R2 GUIDE-INPUT R2 SPRING-TS NUT-HEXAGON BUSH-HR L_R2 PLATE-P-CLAW GEAR-FUSER R2 LAMP-HALOGEN 110V LAMP-HALOGEN 220V LABEL(R)-LV FUSER SCREW-TAPTIEE SCREW-ASS'Y MACH SCREW-TAPTIEE BRUSH-ANTISTAIC 8-20 Service Manual SA : Service Available O : Service available X : Service not available - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 141
8.9 Cassette Assembly Exploded View & Parts List 0 6 6-4 6-3 6-2 6-1 7 12 14 16 4 15 5 13 5 10 11 3 2 1 8 Service Manual 8-21 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 142
Parts List Cassette Assembly Parts List No. 0 1 2 3 4 5 6 6-1 6-2 6-3 6-4 7 8 10 11 12 13 14 15 16 Description MEA UNIT-CASSETTE, USA FRAME-M-CASSETTE GUIDE-M-EXTENSION LARGE GUIDE-EXTENSION SMALL PLATE-P-KNOCK_UP SPRING-CS MEA UNIT JC73-00141A 1 X JC66-00719A 1 X Remark 8-22 Service Manual - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 143
Exploded View & Parts List 8.10 SCF(Option Cassette Frame) Exploded view Service Manual 8-23 0 28 39 38 39-2 39-5 2 4 30 25 39-3 39-8 39-10 39-4 39-1 39-7 39-9 19 18 17 39-6 23 22 20 37 21 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 144
SCF(Option Cassette Frame) Assembly Parts List SA : Service Available O : Service available X : Service not available No. 0 1 2 3 4 5 6 7 PICK_UP PMO-IDLE PICK_UP ROLLER -FEED PMO-BUSHING TX PMO-GEAR PICK_UP A PMO-GEAR PICK_UP B SPRING-CS RING-CS CAM-M-PICK_UP SHAFT-FEED GEAR -FEED 2 SPRING-TS - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 145
Cassette Frame) Assembly Parts List SA : Service Available O : Service available X : Service not available No. 38 39 39-1 39-2 39-3 39-4 39-5 39-6 39-7 39-8 39-9 39-10 39-11 39-12 40 41 42 Description SCREW-TAPTITE ELA HOU-MOTOR SCF BRKT-P-MOTOR SCF BRKT-P-GEAR SCF BRKT-M-FEED SCF GEAR 61/47 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 146
Exploded View & Parts List MEMO 8-26 Service Manual - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 147
Service Manual 9-1 NETWORK USB 2.0 MAIN MO TOR ADF UNIT P-REGI, P-DET, P-POS SENSOR ADF MOTOR DRIVER TEA3718 X 2EA LCD, 16*2 LINES 14P OPE MICOM LCD/LED Drive Key Scan 3P FLAT COVER SENSOR 600 DPI, COLOR CCD FLATEN MOTOR R es et MAIN MOTOR DRIVER ) PS3(2MB x 2ea) : DELL PS3 / PCL6 DIMM(SEC) MEMORY - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 148
Service Manual 10-1 Laser MFP 1600n CONNECTION DIAGRAM OPE R DRIV ER SE NS OR - P_POS - P_PEG - P_DET SCF Unit MA IN MOTO R 1,3,5,7,8 :DGND 2 : CCD_VOB 4 : CCD_VOR 6 NSO R - MP SENSOR - P_EMP SEN. - EXIT SEN. - FEED SEN SWITCH - DOOR OPEN LSU LIU LINE / EXT. Phone SPK CA RTRIDG E THE RMIS TOR TO - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 149
of 2 CPU and 1 Board. Scanner part is composed of ADF and Platen and is connected with Main by Harness . Line Interface part is designed to apply TBR21 standard(Domestic, Europe,etc..) NETWORK USB 2.0 IEEE1 284 MAIN MO TOR ADF UNIT P-REGI, P-DET, P-POS SENSOR ADF MOTOR DRIVER TEA3718 X 2EA LCD, 16 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 150
Circuit Diagram Laser MFP 1600n CONNECTION DIAGRAM OPE B'd LCD MODULE 1 6 X 2 LINE 1 : DGND 2 : +5V 3 : 3 : +4VS SMPS / HVPS S E NSO R - MP SENSOR - P_EMP SEN. - EXIT SEN. - FEED SEN SWITCH - DOOR OPEN LSU LIU LINE / EXT. Phone SPK CA RTRIDG E THE RMIS TOR TO NER TX TONE R RX PTL MP CLUTCH - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 151
Circuit Diagram 2) Flash Memory : Record System Program, and download System Program by PC INTERFACE. FAX for Journal List, and Memory for One Touch Dial, Speed Dial List. - Size : 4M Byte - Access Time : 70 nsec 3) SDRAM : is used as Swath Buffer in Printing, Scan Buffer in Scanning, ECM Buffer in - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 152
Circuit Diagram 11.2 FAX Section 11.2.1 Modem Part 11.2.1.1 BLOCK DIAGRAM DSP SSD System Side Dervice between - LSD and DIB of FM336Plus Core - CX20493(LSD) : LIU (Line Interface Unit) Chip which is controlled by SSD and satisfies each PSTN requirements by modulating internal Configuration with - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 153
• HDLC support at all speeds - Flag generation, 0-bit stuffing, ITU CRC-16 or CRC-32 calculation and generation - Flag detection, 0-bit deletion, ITU CRC-16 or CRC-32 check sum error detection - V.24 (EIA/TIA-232-E) (data/control) - Microprocessor bus (data/configuration/control) Service Manual 11-5 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 154
Circuit Side Device Tel Line Ext Line Primary Parts 3) Transformer transfer Clock from SSD to is PWROUT to adjust output impedance of Clock Out Driver is inside SSD and CLKSHIGH Registor to adjust duty and LSD recognize RSP and change LSD to output Driver transfer Data to SSD. DIB Data form SSD - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 155
11) Tel/ID List: 12) Confirmation Reports for Send: 13) Management Reports: 14) TTI/RTI: 15) Line Control Unit (LIU): 16) Header Transmission (Always On): 3 PSTN (RJ-11) Half-Duplex, ITU V.8, V.34, V.17, V. Local Machine ID > Local Machine Name > Transmit page count (3 digits) Service Manual 11-7 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 156
Diagram This is Connection Part between system and PSTN(Public Switched Telephone Network), and 1 st side circuit is usually located. Main functions are Line Interface, Telephone Connection and Line + 1020Hz • Ring interrupt Cycle : On/Off depending on input Ring Signal Cycle. 11-8 Service Manual - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 157
Circuit Diagram 11.3 Scanner Section 11.3.1 Scan Part Pictorial signal input part : output signal of CCD passes through part : read CCD Pixel data in terms of 600dpi Line and process LAT algorithm on Text mode, Error Diffusion Algorithm on Mixed mode, and store Data at Scan Buffer on PC Scan - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 158
Circuit Diagram 11.3.2 IP Block Diagram CIP4 Oscillation Pad Crystal 20MHz MAIN 40MHz 80MHz MHIMRIMMR Signal Image Sensor A/D Converted Data Analog Front End Internal Core Internal SRAM External Circuit Table1: Gamma Table Table2: IEM Table Table3: Binary Table Table4: Motor Table 11-10 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 159
7) Interpolated Resolution: 8) Preview Scan: ADF Linearity : Gray Scale : Color : (USB 1.1, 300dpi, Letter Size, Pentimum 4 1.xGHz, 128MB RAM) ADF Platen Color CCD (Charge Coupled Device) Module Windows 98/2000/NT4.0/ME/XP, MAC (English only, no status monitor, web download only) TWAIN Standard - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 160
signals from the paper feed jam sensor and paper empty sensor are directly inputted to the main board. 1) Printing Method: Laser-based Electrophotography 2) Supported Operating Systems: Windows 98/2000/NT4.0/ME/XP/ MAC (English only, no status monitor, web download only) 3) Emulation: SPL(GDI - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 161
x 2) - Pulse Width Modulation Unit - 4 Channels are supported - ADC Interface Unit - 3 ADC Channels are available - ADC Core (ADC8MUX8) maximum clock frequency : 3 MHz • USB 2.0 Interface • Package : 272 pins PBGA • Power : 1.8V(Core), 3.3V(IO) power operation Circuit Diagram Service Manual 11-13 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 162
AHB Bus USB2.0 ARBITER SFR BUS INTERFACE MAC SYSMAC SYSTEM BUS INTERFACE DECODER CLOCK & RESET GENERATOR SYSTEM PLL (120MHz) SYSTEM BUS ARBITER SDRAM CONTROLLER (5CH) System Bus SFR Bus HCT gCODEC GRAPHIC EXECUTION UNIT ROTATOR/ SCALER/ HALFTONER 1024x8, 256x8x4 11-14 Service Manual - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 163
Circuit Diagram 11.5 Copier Section 1) Copy Mode: 2) Scanner Type: 3) Maximum Size of Original: (max. width = 218 mm, max length = 400 mm) 4) Optical Resolution: 5) Copy Quality - H x V: (User selectable via Content button) 6) Supported > Text : 600 x 300 dpi (default) > Mixed : 600 x 300 dpi - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 164
Circuit Diagram 11.6 Telephone Section 1) Speed Dial: 2) On-hook Dial (manual fax): 3) Last Number Redial: 4) Automatic Redial: 5) HVPS part takes the 24V and outputs the high voltage for THV/MHV/BIAS, and the outputted high voltage is supplied to the toner, OPC cartridge, and transfer roller. 11 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 165
Circuit Diagram • Charge Voltage (MHV) > Input Voltage : 24 V DC & 15% > Output Voltage : -1.3KV ~ -1.8KV DC +/- 50V > Output Voltage Rising Time : 50 ms ms Max > Output Loading range : 10 M * ~ 1000 M * > Output Control Signal (BIAS-PWM) : the CPU is HV output when PWM is low. Service Manual 11-17 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 166
of the set. It is consisted of the SMPS part, which supplies the DC power for driving the system, and the AC heater control part, which supplies the power to fuser. SMPS has two output channels. Which are +5V (21.6 % 26.4V) 2.0 A 2.5 A Under 500mVp-p 48W 60W - Remark 1ms 1ms 11-18 Service Manual - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 167
• Feature > Insulating Resistance : 50 ( or more (at DC 500V) > Insulating revisiting pressure : Must be no problem within 1 min. (at 1500Vac,10mA) > Leaking Current : under 3.5mA > Running Current : under 40A PEAK ( UL,NOM,TUV,Semko,Nemko,iK,CB, CCC(CCIB),GOST, EPA, Power Save Service Manual 11-19 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 168
Fuser(HEAT LAMP) gets heat from AC power. The AV power controls the switch with the Triac, a semiconductor switch. The 'ON/OFF control' is operated when the gate of the Triac is turned on/off by Phototriac (insulting part). In other words, the AC control part is passive circuit then the heat lamp is - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 169
1212. Schematic Diagrams 12.1 Dell Schematic Main(1/17) Schematic Diagram This Document can not be used without Samsung's authorization. Service Manual 12-1 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 170
Dell Schematic Main(2/17) Schematic Diagram 12-2 Service Manual This Document can not be used without Samsung's authorization. - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 171
Dell Schematic Main(3/17) Schematic Diagram This Document can not be used without Samsung's authorization. Service Manual 12-3 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 172
Dell Schematic Main(4/17) Schematic Diagram 12-4 Service Manual This Document can not be used without Samsung's authorization. - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 173
Dell Schematic Main(5/17) Schematic Diagram This Document can not be used without Samsung's authorization. Service Manual 12-5 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 174
Dell Schematic Main(6/17) Schematic Diagram 12-6 Service Manual This Document can not be used without Samsung's authorization. - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 175
Dell Schematic Main(7/17) Schematic Diagram This Document can not be used without Samsung's authorization. Service Manual 12-7 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 176
Dell Schematic Main(8/17) Schematic Diagram 12-8 Service Manual This Document can not be used without Samsung's authorization. - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 177
Dell Schematic Main(9/17) Schematic Diagram This Document can not be used without Samsung's authorization. Service Manual 12-9 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 178
Dell Schematic Main(10/17) Schematic Diagram 12-10 Service Manual This Document can not be used without Samsung's authorization. - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 179
Dell Schematic Main(11/17) Schematic Diagram This Document can not be used without Samsung's authorization. Service Manual 12-11 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 180
Dell Schematic Main(12/17) Schematic Diagram 12-12 Service Manual This Document can not be used without Samsung's authorization. - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 181
Dell Schematic Main(13/17) Schematic Diagram This Document can not be used without Samsung's authorization. Service Manual 12-13 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 182
Dell Schematic Main(14/17) Schematic Diagram 12-14 Service Manual This Document can not be used without Samsung's authorization. - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 183
Dell Schematic Main(15/17) Schematic Diagram This Document can not be used without Samsung's authorization. Service Manual 12-15 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 184
Dell Schematic Main(16/17) Schematic Diagram 12-16 Service Manual This Document can not be used without Samsung's authorization. - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 185
Dell Schematic Main(17/17) Schematic Diagram This Document can not be used without Samsung's authorization. Service Manual 12-17 - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 186
-21(N.C/LED TONER SAVE) CON2-22(MHV-PWM) CON2-23(FAN) CON2-24(ROCKY2 EXIT) CON2-25(NIKE2 EXIT) CON2-26(FUSER-ON) CON2-24(EXIT) DONGYANG INSTRUMENTS TITLE ROCKY2-V1 DESIGNED CHECKED APPROVED DRW. NO C.S.BAE REF. NO SIZE A4 DATE 03/12/22 REV. 0.0 1OF1 12-18 Service Manual This Document can - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 187
MINI ZD3 200V 5V ZD2 ZD1 200V 200V R133 47K CON2-5,6 GND CON2-1(FEED-SENSOR) CON2-2(PAPER-EMPTY) CON2-14(MANUAL) CON2-15(THV-READ) CON2-17(THV PWM) CON2-19(BIAS-PWM) CON2-20(THV-EA) CON2-21(N.C/LED TONER SAVE) CON2-22(MHV-PWM) CON2-23(FAN) CON2-24(ROCKY2 EXIT - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 188
-21(N.C/LED TONER SAVE) CON2-22(MHV-PWM) CON2-23(FAN) CON2-24(ROCKY2 EXIT) CON2-25(NIKE2 EXIT) CON2-26(FUSER-ON) CON2-24(EXIT) DONGYANG INSTRUMENTS TITLE ROCKY2-V1 DESIGNED CHECKED APPROVED DRW. NO C.S.BAE REF. NO SIZE A4 DATE 03/12/22 REV. 0.0 1OF1 12-20 Service Manual This Document can - Dell 1600n Multifunction Mono Laser Printer | Service Manual - Page 189
12.3 Dell Schematic LIU Schematic Diagram This Document can not be used without Samsung's authorization. Service Manual 12-21
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SERVICE
Dell
TM
Laser MFP 1600n
Manual
Dell
TM
Laser MFP
CONTENTS
1.
Precautions
2.
Reference Information
3.
Specifications
4.
Summary of product
5.
Disassembly and Reassembly
6.
Alignment and Adjustments
7.
Troubleshooting
8.
Exploded Views and Parts List
9.
Block Diagram
10.
Connection Diagram
11. Circuit Description
12. Schematic Diagram
Easy as
TM