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Related Manuals for Lexmark 4090-001
Summary of Contents for Lexmark 4090-001
- Page 1 Color Jetprinter™ 2070 4090-001 • Table of Contents • Start Diagnostics • Safety and Notices • Trademarks • Index • Manuals Menu Lexmark and Lexmark with diamond design are trademarks of Lexmark International, Inc., registered in the United States and/or other countries.
- Page 2 Comments may be addressed to Lexmark International, Inc., Department D22A/035-3, 740 New Circle Road, Lexington, Kentucky 40550, U.S.A. Lexmark may use or distribute any of the information you supply in any way it believes appropriate without incurring any obligation to you.
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Page 3: Table Of Contents
4090-001 Contents Contents ..........iii Preface . - Page 4 4090-001 Repair Information ........4-1 Handling ESD-Sensitive Parts .
- Page 5 4090-001 Preventive Maintenance ....... . 6-1 Lubrication Specifications ......6-1 Parts Catalog .
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Page 6: Preface
This manual is divided into the following chapters: 1. General Information contains a general description of the printer and the maintenance approach used to repair it. Special tools and test equipment are listed in this chapter, as well as general environmental and safety instructions. - Page 7 4090-001 Sicherheitshinweise • Die Wartungsinformationen für dieses Produkt wurden zur Verwendung durch einen Wartungsfachmann entwickelt und sollten nicht von anderen benützt werden. • Zusätzliches Risiko eines elektrischen Schlags und körperlicher Verletzung existiert während des Auseinandernehmens und der Wartung des Geräts.
- Page 8 4090-001 Pautas de Seguridad • La información sobre el mantenimiento de este producto fue escrita para el personal de mantenimiento cualificado y no para cualquier otro usuario. • Existen mayores riesgos de descargas eléctricas y daños personales durante el desmontaje y la reparación de la máquina.
- Page 9 4090-001 Chinese Safety Information Korean Safety Information Preface...
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Page 10: General Information
The user is directed, in the Printer Control program, to perform the head to head and bidirectional alignment adjustments after replacing a print cartridge. 2070 (4090-001) printer is a personal, near Black 600 X 300 dpi 600 X 600 (using special paper) -
Page 11: Abbreviations
4090-001 After you complete the repair, perform tests as needed to verify the repair. Abbreviations Customer Engineer Customer Setup Electrostatic Discharge Field Replaceable Unit HVPS High Voltage Power Supply Light-Emitting Diode LVPS Low Voltage Power Supply NVRAM Nonvolatile Random Access Memory... -
Page 12: Diagnostic Information
If an error indicator appears, go to the error indicator table and take the indicated action for that error. The printer also logs the last occurring error. If you think it may have an intermittent error, or the error indicator lights have been cleared, you can retrieve the error: 1. -
Page 13: Error Indicator Table
Flashes 66 - Power-On Self Test (POST) Sequence When you turn the printer on it performs a POST. Turn your printer on and check for a correct POST operation by observing the following: 1. The busy light comes on and goes off. -
Page 14: Post Symptom Table
4090-001 If your printer does not complete POST, locate the symptom in the following table and take the indicated action. POST Symptom Table Symptom Action No Power light Go to the and no motors Power light, Replace the system board. -
Page 15: Symptom Tables
4090-001 Symptom Tables Locate the symptom in the following tables and take the appropriate action. Carrier Transport Problems Symptom • No carrier movement • Slow carrier movement • Carrier stops • Carrier slams side frame Communications Problems Symptom Printer not communicating with host computer. - Page 16 4090-001 Paper Feed Problems Symptom Paper fails to stop at first print line • Fails to pick paper • Picks more than one sheet of paper • Picks paper but fails to feed • Paper jams • Paper fails to exit •...
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Page 17: Service Checks
4090-001 Service Checks Envelope Feed Service Check Envelope Guide First Print Line Service Check End-of-Forms Flag End-of-Forms Sensor System Board Feed Arm Assembly Action Be sure the envelope guides have been turned to the envelope load positions. Be sure the envelope guides are against the envelopes. -
Page 18: Maintenance Station Service Check
4090-001 Maintenance Station Service Check The maintenance station has two functions: 1. Cleans the printhead nozzles during the print operation. 2. Seals the printhead when it is not being used to prevent the nozzles from drying. Maintenance Station Assembly Wiper... -
Page 19: Paper Feed Service Check
4090-001 Paper Feed Service Check If your printer does not have paper jam problems, continue with the service check. If your printer does have a paper jam problem, examine it for the following before you begin the service check: •... - Page 20 4090-001 Paper Feed Motor Gears Feed Arm Assembly Paper Path Action A noisy or chattering motor or a motor that fails to turn, can be caused by: • An open or short in the motor • An open or short in the motor driver on the system board •...
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Page 21: Paper Path Service Check
4090-001 Paper Path Service Check Examine the printer for the following before you begin this service check: • Check the entire paper path for obstructions. • Be sure the paper guides are not worn or broken and are posi- tioned against the paper without binding or buckling the paper. -
Page 22: Parallel Port Service Check
Parallel Cable Encoder Card System Board 2-11 Action Run a test page to be sure the printer can print. Run the ’Parallel Port Test’ on page fails, replace the system board. Action Disconnect J3 from the system board and check the following voltages on the power supply cable: •... -
Page 23: Print Quality Service Check
Printhead Cable Rubber Backer Maintenance Station Action Be sure the printer contains good print cartridges. Reseat the printhead cables in the system board and check the following parts for wear or damage: • Print Cartridge Latch • Latch Spring • Carrier •... - Page 24 4090-001 Paper Feed Transport Alignment 2-13 Action Ink smudging and smearing can be caused by paper problems or problems in the paper feed area. Check the following: • Correct type of paper is being used. Also check the paper for curl or wrinkles.
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Page 25: Transport Service Check
If the failure remains, replace the system board. Turn the printer off and disconnect J4 from the system board. Turn the printer on and check for a pulse of 6 to 8 V dc between J4-1 and ground as the printer goes through POST. -
Page 26: Diagnostic Aids
Turn the printer off. • Use a two pin jumper on connector J6 as indicated, then turn the printer on. The test begins when the power button is pressed. Note: You can use the two pin jumper on J7 to perform the tests. -
Page 27: Encoder Sensor Test
If the test fails, power off the printer and remove the carrier assembly without unplugging the printhead cable. Power on the printer and check for +5 V dc at pins 1, 2 and 3 of the encoder card connector. -
Page 28: Initialize Error Log
To run the test: 1. Turn the printer off and place a two pin jumper on connector J6 as shown below. (Pins 1 & 2) 2. Place a sheet of paper in the manual feed slot and press and hold the paper feed button. -
Page 29: Paper Sensor Test
• Off - paper is not in sensor To run the test: 1. Turn the printer off and place a two pin jumper on connector J6 as shown below. (Pins 3 & 4) 2. Press and hold the Paper Feed printer on, to start the test. -
Page 30: Parallel Port Test
To run the test: 1. Turn the printer off and place a two pin jumper on connector J6 as shown (Pins 3 & 4). 2. Attach the wrap plug to the parallel port. -
Page 31: Print Nvram Contents
Print NVRAM Contents This test prints the contents of NVRAM in hexadecimal format. To run the test: 1. Turn the printer off and place a piece of paper in the manual paper slot. 2. Press and hold the Paper Feed printer on. -
Page 32: Test Page
To enter the test: 1. Turn the printer off. 2. Ensure the manual paper slot is empty. 3. Press and hold the Paper Feed printer on. Release the button when the printer completes POST. The test page will contain the following: •... -
Page 33: Repair Information
If you are removing a pluggable module, use the cor- rect tool. • Do not place the ESD-sensitive part on the printer cover or on a metal table; if you need to put down the ESD-sensitive part for any reason, first put it into its special bag. -
Page 34: Adjustments
4090-001 Adjustments The user is directed, in the Printer Control program, to perform the head to head and bidirectional alignment adjustments after replacing a print cartridge. Removal Procedures The following procedures are arranged according to the name of the printer part discussed. Unplug the power cord before removing any parts. -
Page 35: Base Assembly Removal
5. Remove the two screws securing the carrier frame to the base cover. 6. Slide the printer off the base cover. Carrier Belt Removal 1. Remove the front cover. 2. Remove the carrier assembly. -
Page 36: Carrier Frame Assembly Removal
4090-001 Carrier Frame Assembly Removal 1. Remove the front cover. 2. Remove the rear cover. 3. Remove the base assembly. 4. Disconnect the paper feed motor connector from the system board. 5. Remove the four screws [A] securing the carrier frame to the left... -
Page 37: Carrier Transport Motor Removal
4090-001 Note: During reassembly: 1. Be sure the small feed roll spring extensions [B] are in the groves of the small feed roll arms. 2. Be sure the short extensions of the two paper flap springs are trapped under the carrier frame [C]. -
Page 38: Code Module Removal
4090-001 Code Module Removal 1. Remove the front cover. 2. Remove the rear cover. 3. Gently pry the Code Module from the system board noting the position of the notch in the module. The notch is down. Edge Guide Asm and Paper Load Shaft Removal 1. -
Page 39: Exit Drive Belt Removal
4090-001 Exit Drive Belt Removal 1. Remove the front cover. 2. Remove the rear cover. 3. Remove the carrier frame assembly. 4. Remove the paper load door and manual insert tray. 5. Remove the small feed roll shaft. 6. Unlatch the left side of the exit roller shaft and work the belt off the exit roller pulley. -
Page 40: Front Cover Removal
4090-001 Front Cover Removal 1. Place a screwdriver in slot [A] and release the cover latches. 2. Slide the cover forward and off the printer. To reassemble: 1. Slide the cover over the matching pieces on the bottom cover. 2. Press in both sides opposite the cover latches until they latch. -
Page 41: Inside Idler Gears Removal
Inside Idler Gears Removal 1. Remove the front cover. 2. Remove the rear cover. 3. Remove the printer from the base assembly. 4. Remove the paper feed motor. 5. Gently pry the two idler gears from the left side frame. Be careful not to break the locking tabs [A]. -
Page 42: Large Feed Roll Removal
5. Remove the large feed roll from the mid frame by pulling it out of the four mounting clips. Spread the right side frame and remove the large feed roll. Note: Install the compound idler gear after the printer is installed in the base assembly. 4-10... -
Page 43: Large Outside Gear Removal
4090-001 Large Outside Gear Removal 1. Remove the front cover. 2. Remove the rear cover. 3. Remove the paper load door and manual insert tray. 4. Remove the C-clip from the feed arm assembly and remove the feed arm assembly. -
Page 44: Left Side Frame Assembly Removal
6. Remove the two screws [B] securing the left side frame to the back plate. Slide the left side frame off the back plate. Note the relationship of the parts. Note: Install a new compound idler gear [A] after the printer is installed in the base assembly. 4-12... -
Page 45: Maintenance Station Assembly Removal
4090-001 Maintenance Station Assembly Removal 1. Remove the front cover. 2. Remove the rear cover. 3. Remove the two screws from the maintenance station assembly, lift up the right side of the mid frame assembly and slide the maintenance station assembly forward, out of the printer. -
Page 46: Paper Feed Motor Removal
4090-001 Paper Feed Motor Removal 1. Remove the front cover. 2. Remove the rear cover. 3. Remove the base assembly. 4. Remove the two screws securing the paper feed motor and remove the motor. Note the routing of the motor cable. - Page 47 4090-001 Note: During reassembly: 1. Be sure the small feed roll spring extensions [B] are in the groves of the small feed roll arms. 2. Be sure the short extensions of the two paper flap springs are trapped under the carrier frame [C].
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Page 48: Paper Load Door Removal
Power Supply Removal Note: When working on the printer, always unplug the printer from the wall outlet. High voltage is present in the power supply as long as it is plugged into the wall outlet. -
Page 49: Printhead Cable, Cradle & Paper Deflector Removal
4090-001 Printhead Cable, Cradle & Paper Deflector Removal 1. Remove the front cover. 2. Remove the printhead carrier assembly. 3. Disconnect the printhead cable from the encoder card. Note the routing of the cable under the retaining clip on the carrier. - Page 50 4090-001 Note: Be sure the cable is secured under the three retaining clips [B] on the back of the carrier. 4-18...
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Page 51: Printhead Carrier Assembly Removal
3. Remove the retainer from the right end of the carrier guide rod. 4. Slide the carrier guide rod to the left, out of the printer. 5. Lift the carrier out of the printer. -
Page 52: Rear Cover Removal
1. Remove the front cover. 2. Place a screwdriver in slot [A] and release the cover latches. 3. Slide the cover up and off the printer. 4. To reassemble, place the cover over the tabs in the bottom cover and press down until the cover latches. Be sure the parallel connector snaps do not get trapped behind the cover. -
Page 53: Small Feed Roll Shaft, Rollers & Paper Flap Removal
Note: The head to head and bidirectional printing alignments will be reset to factory defaults. The user, through the Printer Control program, is directed to perform these alignments. When reinstalling the system board, it is easier to insert the printhead cables in the two connectors prior to installing the board. -
Page 54: Connector Locations
4090-001 5. Connector Locations The printer is shipped with the jumper pin setting in the following static position. Be sure the jumper is installed on the correct pins. Communications Jumper J7 pin 2 and 3. Connector Locations 5-1... -
Page 55: System Board Connectors
4090-001 System Board Connectors Connector Locations 5-2... -
Page 56: Encoder Card Connector
4090-001 Connector Encoder Card Connector Connector Names Printhead Cable 1 Printhead Cable 2 Power Supply Transport Motor Paper Feed Motor Test Jumper Communications Jumper Parallel Port Paper Feed Switch Power Switch EOF Sensor Code Module... -
Page 57: Preventive Maintenance
4090-001 6. Preventive Maintenance This chapter contains the lubrication specifications. Follow these recommendations to prevent problems and maintain optimum performance. Lubrication Specifications Lubricate only when parts are replaced or as needed, not on a scheduled basis. Use grease P/N 1329301 to lubricate the following: •... -
Page 58: Parts Catalog
4090-001 7. Parts Catalog How To Use This Parts Catalog • SIMILAR ASSEMBLIES: If two assemblies contain a majority of identical parts, they are broken down on the same list. Common parts are shown by one index number. Parts peculiar to one or the other of the assemblies are listed separately and identified by description. -
Page 59: Assembly 1: Covers
4090-001 Assembly 1: Covers Parts Catalog 7-2... - Page 60 4090-001 Asm- Part Index Number 1 -1 70G0594 70G0595 69G4118 69G4119 70G0591 70G0592 Units Description Base Asm includes Exit Tray, Gutter Pad, Feet Front Cover Asm, Access Cover, Button & LED Lens Rear Cover Gutter Pad, Base Asm Replaceable Package B/M (US)
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Page 61: Assembly 2: Frames
4090-001 Assembly 2: Frames Parts Catalog 7-4... - Page 62 4090-001 Asm- Part Index Number 2 -1 69G4120 70G0574 69G4121 69G4122 69G4188 Units Description Left Side Frame Sub-Asm without Gears Also order gears B/M 69G4127 Mid Frame with Star Rollers Right Side Frame Carrier Frame Screw, Frame Mounting (PP)
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Page 63: Assembly 3: Paper Feed
4090-001 Assembly 3: Paper Feed Parts Catalog 7-6... - Page 64 4090-001 Asm- Part Index Number 3 -1 69G4074 70G3039 13A1196 70G0574 70G0575 70G0576 69G4127 69G4398 69G4188 69G4188 69G4188 70G0577 70G0579 Units Description Paper Guide Asm includes EOF Flag, Spring (Old style - works with old or new small feed roll).
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Page 65: Assembly 4: Electronics
4090-001 Assembly 4: Electronics Parts Catalog 7-8... - Page 66 4090-001 Asm- Part Index Number 4 -1 70G2695 70G0581 1339526 1342514 1339520 1339520 1342514 1342514 1342534 1339526 1342534 1342514 1342514 1339525 1342514 1339519 1342514 1339520 1339520 1339520 1342514 1342514 1339521 1339524 1342514 1339520 1342514 1339520 1342514 1342536 1342514 1339517 1339523...
- Page 67 4090-001 Assembly 4: Electronics (continued) Parts Catalog 7-10...
- Page 68 4090-001 Asm- Part Index Number 4 -4 70G3000 69G4188 69G4188 69G4188 7-11 Units Description Code Module Screw, System Board Mounting (PP) Screw, Ground Jumper Mounting (PP) Jumper, 2-Pin (PP)
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Page 69: Assembly 5: Carrier
4090-001 Assembly 5: Carrier Parts Catalog 7-12... - Page 70 4090-001 Asm- Part Index Number 5 -1 70G0585 70G0586 70G0587 69G4157 69G4156 69G4188 69G4188 69G4188 70G0588 7-13 Units Description Printhead Carrier B/M Printhead Cable (Folded) Rubber Backer Carrier Guide Rod Encoder Card Asm Screw, Encoder Card Mounting (PP) Retainer Right, Carrier Guide Rod...
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Page 71: Assembly 6: Carrier Transport
4090-001 Assembly 6: Carrier Transport Parts Catalog 7-14... - Page 72 4090-001 Asm- Part Index Number 6 -1 69G4158 69G4159 69G4403 69G4163 69G4188 69G4188 7-15 Units Description Carrier Transport Motor & Pulley Carrier Belt Encoder Strip Idler Pulley Tension Asm Screw, Carrier Transport Motor Mounting (PP) Tensioner, Encoder Strip (PP)
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Page 73: Assembly 7: Sheet Feeder
4090-001 Assembly 7: Sheet Feeder Parts Catalog 7-16... - Page 74 4090-001 Asm- Part Index Number 7 -1 69G4166 69G4167 69G4131 1367469 1367463 1367019 69G4169 69G4164 69G4165 69G4127 69G4188 69G4188 69G4188 69G4188 7-17 Units Description Right Edge Guide & Width Adjust Strip Left Edge Guide Upper Paper Support Pick Roll & Paper Load Shaft B/M Pick Roll Hub Asm Envelope Buckler B/M, Left &...
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Page 75: Assembly 8: Maintenance Station
4090-001 Assembly 8: Maintenance Station Parts Catalog 7-18... - Page 76 4090-001 Asm- Part Index number 8 -1 70G0589 70G0590 69G4188 7-19 Units Description Maintenance Station Asm Wiper and Cap B/M (one of each) Screw, Maintenance Station Mounting (PP)
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Page 77: Index
4090-001 Index Abbreviations Adjustments Assemblies 1 Covers 2 Frames 3 Paper Feed 4 Electronics 5 Carrier 7-12 6 Carrier Transport 7 Sheet Feeder 7-16 8 Maintenance Station Connector Locations Connectors System Board Diagnostic Aids Diagnostic Information Error Indicator Table ESD-Sensitive Parts... - Page 78 4090-001 Removals Continued Paper Load Door 4-16 Paper Load Shaft Pick Roll Hub 4-16 Pick Roll Shaft 4-16 Power Supply 4-16 Printhead Cable 4-17 Printhead Carrier 4-19 Printhead Cradle 4-17 Printhead Rubber Backer Rear Cover 4-20 Right Side Frame Small Feed Roll Shaft...