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Related Manuals for Lexmark 4076-0XX
Summary of Contents for Lexmark 4076-0XX
- Page 1 ExecJet™ II and ExecJet IIc 4076-0XX • 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
4076-0XX Contents Notices and Safety Information ......vi Electronic Emission Notices ......vi Safety Information. - Page 4 4076-0XX Repair Information ........30 Handling Esd-sensitive Parts.
- Page 5 4076-0XX Parts Catalog ......... 51 How To Use This Parts Catalog .
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Page 6: Notices And Safety Information
Federal Communications Commission (FCC) Statement This printer has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. - Page 7 To assure compliance with FCC regulations for a Class B computing device, use a properly shielded and grounded Lexmark or IBM parallel interface cable, such as Lexmark part number 1525612. Use of a substitute cable not properly shielded and grounded may result in violation of FCC regulations.
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Page 8: Safety Information
A declaration of conformity with the requirements of the Directive has been signed by the Director of Manufacturing and Technical Support, Lexmark International, Ltd., Boigny, France. This product satisfies the Class B limits of EN 55022. Safety Information •... - Page 9 4076-0XX Sicherheitshinweise • Die Wartungsinformationen für dieses Produkt sind ausschließlich für die Verwendung durch einen Wartungsfachmann bestimmt. • Während des Auseinandernehmens und der Wartung des Geräts besteht ein zusätzliches Risiko eines elektrischen Schlags und körperlicher Verletzung. Das zuständige Fachpersonal sollte entsprechende Vorsichtsmaßnahmen treffen.
- Page 10 4076-0XX • Poiché non tutti i pezzi di ricambio garantiscono la stessa sicurezza, questi devono avere caratteristiche identiche o equivalenti a quelle dei pezzi originali. Pautas de Seguridad • La información sobre el mantenimiento de este producto está dirigida exclusivamente al personal cualificado de mantenimiento.
- Page 11 4076-0XX • El risc de xoc elèctric i de danys personals pot augmentar durant el procés de desmuntatge i de servei d’aquest producte. El personal professional ha d’estar-ne assabentat i prendre les mesures convenients. • Les característiques de seguretat d’algunes de les peces poden no ser òbvies.
- Page 12 4076-0XX Korean Safety Information...
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Page 13: General Information
4076-0XX General Information This manual is used to service both the IBM ExecJet II by Lexmark 4076 and the ExecJet IIc 4076 printers. The ExecJet IIc is capable of using a color print cartridge or a black print cartridge. The ExecJet II uses only a black print cartridge. -
Page 14: Options
Begin with “Start” on page 2-2. This printer can be serviced without being connected to a host. After you complete the repair, perform tests as needed to verify the... -
Page 15: Abbreviations
4076-0XX Abbreviations Customer Engineer Central Processing Unit Customer Setup DRAM Dynamic Random Access Memory Electrophotographic Process Electrostatic Discharge Field Replaceable Unit HVPS High Voltage Power Supply LASER Light Amplification by Stimulated Emission of Radiation Liquid Crystal Display Light-Emitting Diode LVPS... -
Page 16: Diagnostic Information
The printer also logs the last occurring error. If you think you may have an intermittent error, or the error indicator lights have been cleared, you can retrieve the error from the Test Page printout: 1. -
Page 17: Error Indicator Table
4076-0XX Error Indicator Table Error Alternating Light Pattern Code 66 to Action Replace the EPROM and/or system board. Replace the EPROM and/or system board. Replace the EPROM and/or system board. Replace the EPROM and/or the system board. Diagnostic Information... - Page 18 4076-0XX Error Alternating Light Pattern Code 84 86 87 88 Action Go to the “Maintenance Station Service Check” on page Go to the “Transport Service Check” on page Go to the “Transport Service Check” on page Go to the “Simm Service Check”...
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Page 19: Power-On-Self-Test (Post) Sequence
Error Alternating Light Pattern Code Power-on-self-test (Post) Sequence When you turn the printer on it performs a POST. Turn your machine on and check for a correct POST operation by observing the follow- ing: 1. The power light comes on. -
Page 20: Post Symptom Table
4076-0XX POST Symptom Table. Symptom No lights come on and no motors run The Power light is the only light that comes on One or more operator panel lights do not come on One or more operator panel lights do... -
Page 21: Symptom Tables
4076-0XX Symptom Tables Locate your symptom in the following tables and take the appropri- ate action. Carrier Transport Problems SYMPTOM • No carrier movement • Slow carrier movement • Carrier stops Communications Problem SYMPTOM Printer not communicating with host. Maintenance Station Problems SYMPTOM •... -
Page 22: Paper Feed Problems
4076-0XX 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 •... -
Page 23: Service Checks
4076-0XX SIMM Problem SYMPTOM Can’t write to SIMM Service Checks Envelope Feed Service Check FRU OR PROCEDURE Envelope Loading First Print Line Service Check FRU OR PROCEDURE End-of-Forms Flag End-of-Forms Sensor System Board Feed Arm Assembly Software Setting Operator Panel... -
Page 24: Maintenance Station Service Check
4076-0XX Maintenance Station Service Check The maintenance station has two functions: 1. Cleans the print head nozzles during the print operation. 2. Seals the print head when it is not being used to prevent the noz- zles from drying.. FRU OR PROCEDURE... -
Page 25: Operator Panel Service Check
Turn the printer on. Check for +5 V dc at test point CE/TP near the operator panel connector on the system board The operator panel cover actuates the operator panel sensor on the operator panel. -
Page 26: Paper Feed Service Check
4076-0XX Paper Feed Service Check If your machine does not have paper jam problems, go on to the ser- vice check. If your machine does have a paper jam problem, exam- ine it for the following before you begin the service check. - Page 27 4076-0XX FRU OR PROCEDURE Paper Feed Motor Gears 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 •...
- Page 28 4076-0XX FRU OR PROCEDURE Feed Arm Assembly Auto Sheet Feeder End-of-Forms Flag Star Rollers Ejectors ACTION At the beginning of the paper feed operation, the paper feed motor reverses momentarily to allow the feed arm pawl to drop off the home position notch in the ASF side plate.
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Page 29: Paper Path Service Check
4076-0XX Paper Path Service Check Examine the machine 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 30: Parallel Port Service Check
4076-0XX Parallel Port Service Check FRU OR PROCEDURE Parallel Port Serial Adapter ACTION Run a test page to be sure the printer can print. Run the “Parallel Port Test” on page 28. If the test fails, replace the system board. -
Page 31: Power Service Check
4076-0XX Power Service Check FRU OR PROCEDURE Power Supply Operator Panel Print Head Cable Simm Card Parallel Cable System Board ACTION Disconnect J11 from the system board and check the following volt- ages on the power supply cable: J11-1 to GND = +5V dc... -
Page 32: Print Quality Service Check
4076-0XX Print Quality Service Check FRU OR PROCEDURE Print Cartridge Print Head Carrier Assembly Purge Test ACTION Be sure the machine has a known good print cartridge. Reseat the print head cable in the system board and check the following... - Page 33 4076-0XX FRU OR PROCEDURE Maintenance Station Paper Feed Transport BiDirectional Alignment ACTION Intermittent nozzle failures can be caused by worn parts in the mainte- nance station. Go to and perform the “Maintenance Station Service Check” on page 12, then return to this check.
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Page 34: Simm Service Check
Turn the printer off and disconnect J6 from the system board. Turn the printer on and check for a pulse of 3 to 5 V dc between J6-1 and ground and between J6-2and ground on the system board as the machine goes through POST. - Page 35 4076-0XX FRU OR PROCEDURE Print Head Cable Encoder Strip Print Head Cable, System Board Maintenance Station ACTION Be sure connector J1 is fully seated. Check the cable for damage. Perform the “Encoder Sensor Test” on page 27. If you cannot enter the test, replace the system board.
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Page 36: Diagnostic Aids
Except for the Hex Print test procedure, the printer does not need to be attached to a host to run the tests. You can press the buttons with the operator panel cover open or closed. -
Page 37: Purge Test
4076-0XX Purge Test Perform this test with a black print cartridge installed. This test prints out a nozzle test pattern followed by several grey lines and another nozzle test pattern. Use this test to check the func- tion of all the nozzles in the print cartridge. This test also checks the electronic connection to the print cartridge. -
Page 38: Test Page
FLASH memory. This test continues until you press the Reset button or turn off the printer. The error number is the last number to print on the page in the lower right corner. -
Page 39: Encoder Sensor Test
3 lights do not come on, replace the print head cable. If the symptom remains, replace the system board. Hex Print Perform this test with a black print cartridge installed. Use this test to put the printer in hex mode. The printer prints in hexadecimal instead of ASCII. Diagnostic Aids... -
Page 40: Parallel Port Test
This test requires a parallel port wrap plug. Install the wrap plug in the parallel port before you start the test. This test performs a wrap- around test between the printer parallel port and the parallel port test connector. If the test is successful, the top two lights and bottom two lights blink alternately. -
Page 41: Serial Adapter Test
4076-0XX Serial Adapter Test Perform this test with a black print cartridge installed. This test checks out the connection between the serial adapter and the printer. To run the test: 1. Turn the machine off. 2. Set switch 10 on the serial adapter card to ON. -
Page 42: Repair Information
4076-0XX Repair Information This chapter explains how to make adjustments to the printer and how to remove defective parts. WARNING: Read the following before handling electronic parts. Handling Esd-sensitive Parts Many electronic products use parts that are known to be sensitive to electrostatic discharge (ESD). -
Page 43: Adjustments
1. Turn off the printer. 2. Hold down the Install Print Cartridge button and the Line Feed Button, then turn on the printer. Release the buttons when all the lights go out. 3. A page loads and the bi-directional alignment pattern prints. The pattern consists of three lines of vertical bars. -
Page 44: Removal Procedures
4076-0XX Removal Procedures The following procedures are arranged in alphabetical order accord- ing to the name of the printer part discussed. When there is artwork to support a procedure, it follows the text. Releasing Plastic Latches Many of the parts are held in place with plastic latches. To remove such parts, press the hook end of the latch away from the part to which it is latched. -
Page 45: Auto Sheet Feed (Asf) Assembly Removal
4076-0XX Auto Sheet Feed (ASF) Assembly Removal 1. Remove the top cover. 2. Push in the two latches [A] that secure the auto sheet feed to the side frame, then lift up the auto sheet feed to remove it from the machine. -
Page 46: Asf Right And Left Edge Guide Assemblies Removal
4076-0XX ASF Right And Left Edge Guide Assemblies Removal 1. Remove the auto sheet feed. 2. Remove the manual insert tray by prying one of the side frames away from it. 3. Remove the inside C-clip from the pick roller shaft and pull the shaft out to the right. -
Page 47: Carrier Transport Belt Removal
4076-0XX Carrier Transport Belt Removal 1. Remove the top cover. 2. Move the carrier in line with the opening in the carrier transport motor frame. 3. Reach through the opening and pull the belt from the carrier. 4. Remove the belt from the carrier transport motor pulley. -
Page 48: Carrier Transport Motor Frame Removal
4076-0XX Carrier Transport Motor Frame Removal 1. Remove the top cover. 2. Disconnect J6 from the system board. 3. Move the carrier in line with the opening in the carrier transport motor frame. 4. Reach through the opening and pull the belt from the carrier. -
Page 49: End-Of-Forms Flag Removal
4076-0XX End-of-forms Flag Removal 1. Remove the top cover. 2. Remove the ASF. 3. Disconnect the print head cables from the system board. You may have to open the print head cable connectors on the system board first, then disconnect the cables 4. -
Page 50: Inside Idler Gears Removal
4076-0XX Inside Idler Gears Removal 1. Remove the top cover. 2. Remove the auto sheet feed. 3. Disconnect the print head cables from the system board. You may have to open the print head cable connectors on the system board first, then disconnect the cables. -
Page 51: Left Side Frame Removal
4076-0XX Left Side Frame Removal 1. Remove the top cover. 2. Remove the print cartridge. 3. Remove the auto sheet feed. 4. Disconnect the print head cables from the system board. You may have to open the print head cable connectors on the system board first, then disconnect the cables. -
Page 52: Maintenance Drive And Rocker Assemblies Removal
4076-0XX To install the left side frame onto the middle frame, align the right side frame latch with the latching surface on the middle frame before you align the roller shafts and carrier guide. It may be easier to do this with the machine on its right side. -
Page 53: Outside Idler Gears Removal
4076-0XX Outside Idler Gears Removal 1. Remove the top cover. 2. Disconnect the print head cables from the system board. You may have to open the print head cable connectors on the system board first, then disconnect the cables. 3. Each gear is latched in place. Push up the latch and remove the gear from the side frame stud by pulling the gear from the bot- tom. -
Page 54: Paper Release Lever Removal
4076-0XX Paper Release Lever Removal 1. Remove the top cover. 2. Pull the paper release lever forward. 3. Place a screw driver into the slot [A] of the paper release lever. Push the screw driver down to release the latch, then remove the lever. -
Page 55: Print Head Cable Removal
4076-0XX Print Head Cable Removal 1. Remove the top cover. 2. Remove the print cartridge. 3. Remove the carrier. 4. Remove the cable clip [A] from the left side of the carrier. 5. Remove the pointer from the front of the carrier. -
Page 56: Right Side Frame Removal
4076-0XX Right Side Frame Removal 1. Remove the top cover. 2. Remove the print cartridge. 3. Remove the auto sheet feed. 4. Disconnect the print head cables from the system board. You may have to open the print head cable connectors on the system board first, then disconnect the cables. -
Page 57: Rubber Backer Removal
4076-0XX carrier guide, push down the front, bottom edge. It will snap under the carrier guide. To install the right side frame onto the middle frame, align the right side frame latch with the latching surface on the mid frame before you align the roller shafts and carrier guide. -
Page 58: System Board Removal
1. Turn off the printer. 2. Hold down the Form Feed, Line Feed, and Install Ink Cartridge buttons and turn on the printer. Continue to hold down the but- tons until all the lights are off. 3. Check the bi-directional alignment. -
Page 59: Top Cover Removal
4076-0XX Top Cover Removal 1. Unplug the power cord and the interface cable from the back of the printer. 2. Pull up the tab latch on the print cartridge storage unit and remove the unit from the machine. 3. Unlatch the auto sheet feed left cover by pushing it up from the bottom, then slide it off the machine. -
Page 60: Connector Locations
4076-0XX Connector Locations This chapter shows the locations of major printer assemblies, con- nectors, and ground straps. System Board Connectors Connector Connector Names Print Head Cable Print Head Cable .CE/TP Connector Locations... - Page 61 4076-0XX Connector Connector Names Maintenance Motor Paper Feed Motor Transport Motor FLASH/RAM SIMM Option Parallel Port Operator Panel Power Supply Code Module Connector Locations...
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Page 62: Preventive Maintenance
4076-0XX Preventive Maintenance This chapter contains the lubrication specifications. Following these recommendations can help prevent problems and maintain optimum performance. Lubrication Specifications Lubricate only when parts are replaced or as needed, not on a scheduled basis. Use no. 23 grease to lubricate the following: •... -
Page 63: Parts Catalog
4076-0XX Parts Catalog How To Use This Parts Catalog • SIMILAR ASSEMBLIES: If two assemblies contain a major- ity 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 sep- arately and identified by description. -
Page 64: Assembly 1: Covers
4076-0XX Assembly 1: Covers... - Page 65 4076-0XX Asm. 1 Part Index Number 1367099 1367487 1367486 1367479 1367493 1367484 1375486 1425698 Units Description Top Cover Access Cover Asm Font Card Door Rear Cover Left Output Guide Logo, ExecJet II Logo, ExecJet IIc Screw, Parts Packet 1367169 Washer, Parts Packet 1367169...
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Page 66: Assembly 2: Frames
4076-0XX Assembly 2: Frames... - Page 67 4076-0XX Asm. 2 Part Index Number 1367489 1367209 1374349 1367229 1367309 1367199 1367079 Units Description Base Asm Left Side Frame Middle Frame Asm Right Side Frame Carrier Transport Motor Frame Exit Tray Asm Carrier Guide...
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Page 68: Assembly 3: Paper Feed
4076-0XX Assembly 3: Paper Feed... - Page 69 4076-0XX Asm. 3 Part Index Number 1367179 1367339 1367279 1367289 1367266 1367049 1367269 Units Description Paper Release Lever Bushing, Parts Packet 1367169 Paper Guide Small Feed Roller Asm Exit Roller Asm Ejector B/M Spring, Parts Packet 1367169 End of Forms Flag...
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Page 70: Assembly 3: Paper Feed (Cont.)
4076-0XX Assembly 3: Paper Feed (Cont.) - Page 71 4076-0XX Asm. 3 Part Index Number 1367239 1367249 1367259 1374363 Units Description Paper Feed Motor Asm Gears B/M Feed Arm Asm C-Clip, Parts Packet 1367169 Screw, Parts Packet 1367169 Retainer, Parts Packet (10)
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Page 72: Assembly 4: Electronics
4076-0XX Assembly 4: Electronics... - Page 73 4076-0XX Asm. 4 Part Index Number 1374330 1375419 1367189 1430317 1342536 1339520 1339520 1342514 1342514 1342530 1430317 1342534 1342514 1342514 1339525 1342514 1342514 1339520 1339520 1339520 1339520 1342514 1342514 1339520 1339519 1339521 1339524 1342514 1339520 1342514 1339520 Units Description System Board, (No Code Module),...
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Page 74: Assembly 4: Electronics (Cont.)
4076-0XX Assembly 4: Electronics (Cont.) - Page 75 4076-0XX Asm. 4 Part Index Number 1342514 1342536 1342514 1339520 1339523 1339520 1339520 1339522 1339520 1339519 1342536 1342514 1367039 1375418 1374327 1374328 1374346 Units Description Power Cord, Panama Power Cord, Paraguay Power Cord, Peru Power Cord, Portugal Power Cord, South Africa...
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Page 76: Assembly 4 Electronics (Cont.)
4076-0XX Assembly 4 Electronics (Cont.) - Page 77 4076-0XX Asm. 4 Part Index Number 1367129 1367141 1367133 1367142 1367478 Units Description Operator Panel Card Operator Panel Cable Screw, Parts Packet 1367169 Operator Panel Door B/M Door Overlay B/M Door Overlay B/M, Non U.S.
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Page 78: Assembly 5: Carrier
4076-0XX Assembly 5: Carrier... - Page 79 4076-0XX Asm. 5 Part Index Number 1367299 1367149 1425769 1367109 1367089 1374338 Unit Description Print Head Carrier Asm Cable, Print Head, and Encoder Card Encoder Card Only Screw, Parts Packet 1367169 Rubber Backer Guide Rod, Carrier Clip, Parts Packet 1367169...
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Page 80: Assembly 6: Carrier Transport
4076-0XX Assembly 6: Carrier Transport... - Page 81 4076-0XX Asm. 6 Part Index Number 1367319 1425748 1367379 1367349 1425705 1367329 Units Description Motor Asm Screw, Parts Packet 1367169 Belt Encoder Strip Star Roller Asm, ExecJet II Star Roller Asm, ExecJet IIc Spring, Parts Packet 1367169 Idler Pulley B/M...
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Page 82: Assembly 7: Auto Sheet Feed
4076-0XX Assembly 7: Auto Sheet Feed... - Page 83 4076-0XX Asm. 7 Part Index Number 1367497 1367498 1367439 1367469 1367463 1367449 1367459 1367029 1367019 1367396 1367249 1374340 Units Description Right Edge Guide and Width Adjust Strip Left Edge Guide Asm Upper Paper Support Pick Roll and Paper Load Shaft B/M...
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Page 84: Assembly 8: Maintenance Station
4076-0XX Assembly 8: Maintenance Station... - Page 85 4076-0XX Asm. 8 Part Index Number 1425669 1367399 1367389 Units Description Rocker Asm Drive Asm Wiper and Cap B/M Screw, Parts Packet 1367169...
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Page 86: Assembly 9: Options
4076-0XX Assembly 9: Options... - Page 87 4076-0XX Asm. 9 Part Index Number 1325283 1367139 1363110 1325285 1325286 Units Description 256K Flash SIMM 256K RAM SIMM Serial Option 1MB FLASH SIMM 2MB FLASH SIMM...
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Page 88: Index
4076-0XX Index Abbreviations Adjustments ASF Envelope Buckler And Pick Roller Hub Removal ASF Paper Load Lever Removal ASF Right And Left Edge Guide Assemblies Removal Auto Sheet Feed Removal Carrier Belt Removal Carrier Guide Removal Carrier Transport Motor Frame Removal... - Page 89 4076-0XX Unique Tools Index...