Lexmark ExecJet II 4076 User Manual Download Page 54

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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.

Power Supply 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. Disconnect connectors J4, J5, and J6 from the system board.

4. Remove the machine from the base. To do this, push the frame

latches out as you lift the machine from the base. Set the
machine aside.

5. Disconnect the power supply cable from the system board.

6. Remove the 4 power supply mounting screws and remove the

power supply.

NOTE: The fuse on the power supply is for safety pur- poses only. If
it blows, there is a bad component on the board. Do not replace the
fuse. A new fuse will not correct the failure.

Summary of Contents for ExecJet II 4076

Page 1: ...t IIc Lexmark and Lexmark with diamond design are trademarks of Lexmark International Inc registered in the United States and or other countries Table of Contents Index Safety and Notices Trademarks S...

Page 2: ...requests for publications should be made to your point of purchase Comments may be addressed to Lexmark International Inc Department D22A 035 3 740 New Circle Road Lexington Kentucky 40550 U S A Lexma...

Page 3: ...Transport Problems 9 Service Checks 11 Envelope Feed Service Check 11 First Print Line Service Check 11 Maintenance Station Service Check 12 Operator Panel Service Check 13 Paper Feed Service Check 14...

Page 4: ...g Removal 37 Exit Roller Assembly Removal 37 Eprom Removal 37 Feed Arm Assembly Removal 37 Inside Idler Gears Removal 38 Large Feed Roller Assembly Removal 38 Left Side Frame Removal 39 Maintenance Dr...

Page 5: ...es 54 Assembly 3 Paper Feed 56 Assembly 3 Paper Feed Cont 58 Assembly 4 Electronics 60 Assembly 4 Electronics Cont 62 Assembly 4 Electronics Cont 64 Assembly 5 Carrier 66 Assembly 6 Carrier Transport...

Page 6: ...at may apply in your country 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 FC...

Page 7: ...evice 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 violat...

Page 8: ...t Lexmark International Ltd Boigny France This product satisfies the Class B limits of EN 55022 Safety Information The maintenance information for this product has been prepared for use by a professio...

Page 9: ...et de r paration de ce produit s adressent uniquement un personnel de maintenance qualifi Le d montage et l entretien de ce produit pouvant pr senter certains risques lectriques le personnel d entreti...

Page 10: ...lo tanto los recambios deben poseer caracter sticas id nticas o equivalentes a las de las piezas originales Informa es de Seguran a As informa es de seguran a relativas a este produto destinam se a pr...

Page 11: ...aquest producte El personal professional ha d estar ne assabentat i prendre les mesures convenients Les caracter stiques de seguretat d algunes de les peces poden no ser bvies Per tant les caracter s...

Page 12: ...4076 0XX xii Korean Safety Information...

Page 13: ...inch in text and graphics Print Quality Enhance ment Technology PQET smooths the edges The color print cartridge used in the ExecJet IIc has a total of 48 nozzles in the print head using three major...

Page 14: ...IMM 256K Maintenance Approach The diagnostic information in this manual will lead you to the correct field replaceable unit FRU or part Use the error code charts symptom index service checks and diagn...

Page 15: ...imulated Emission of Radiation LCD Liquid Crystal Display LED Light Emitting Diode LVPS Low Voltage Power Supply MAP Maintenance Analysis Procedures NVRAM Nonvolatile Random Access Memory OEM Original...

Page 16: ...r go to Power on self test Post Sequence on page 7 If an error indicator appears while you are working on the machine go to the error indicator table and take the indicated action for that error The p...

Page 17: ...Indicator Table Error Code Alternating Light Pattern Action 64 65 Replace the EPROM and or system board 66 to 78 Replace the EPROM and or system board No Log Replace the EPROM and or system board 79 R...

Page 18: ...eck on page 12 81 Go to the Transport Service Check on page 22 85 Go to the Transport Service Check on page 22 84 86 87 88 Go to the Simm Service Check on page 22 89 Go to the Transport Service Check...

Page 19: ...he paper feed gears turn 4 The carrier moves to the left and right at least one time 5 The maintenance station cleans and caps the print head 6 All motors stop and the power light stays on If your mac...

Page 20: ...or Panel Ser vice Check on page 13 Feeds paper Go to the First Print Line Ser vice Check on page 11 Paper feed gears do not turn Go to the Paper Feed Service Check on page 14 Feeds paper and prints Go...

Page 21: ...on page 22 SYMPTOM ACTION Printer not communicating with host Go to the Parallel Port Service Check on page 18 SYMPTOM ACTION Maintenance station doesn t move Fails to cap fails to cap the print head...

Page 22: ...Envelopes fail to feed Go to the Envelope Feed Service Check on page 11 Paper skews Go to the Paper Path Service Check on page 17 SYMPTOM ACTION No power in machine no lights no motors Go to the Power...

Page 23: ...the envelopes Go to and perform the Paper Feed Service Check on page 14 FRU OR PROCEDURE ACTION 1 End of Forms Flag Check the flag for binds or damage 2 End of Forms Sensor Check the sensor for dirt...

Page 24: ...housing If you find a shorted pin replace the maintenance drive assem bly If the symptom remains replace the system board A bind in the drive assembly can prevent the motor from turning Check for bind...

Page 25: ...econ nect the power supply to the system board 2 System Board Turn the printer on Check for 5 V dc at test point CE TP near the operator panel connector on the system board 3 Operator Panel Cover The...

Page 26: ...Make sure the correct type of paper is in the machine Check for static in the paper Make sure the rear of the carrier guide is on top of the paper guide FRU OR PROCEDURE ACTION 1 System Board With J5...

Page 27: ...e motor If the failure remains replace the sys tem board Although the paper feeds in a forward direction only the paper feed motor turns in two directions If the paper feed motor turns in one directio...

Page 28: ...Pick Rollers Envelope Bucklers All parts inside the left and right edge guides 6 End of Forms Flag Check for binds or damage 7 Star Rollers Check for worn or binding rollers Check for broken star rol...

Page 29: ...Check for wear and binds 2 Large Feed Roller Springs Check for damage 3 Auto Sheet Feeder Check the following for wear or dam age Envelope Bucklers All parts inside the left and right edge guides 4 En...

Page 30: ...eck the serial adapter green light If the light is off replace the serial adapter Run the Serial Adapter Test on page 29 Compare the printout of the switch setting configuration to the switch settings...

Page 31: ...erator Panel With the power button depressed check for 0 ohms at J10 11 on the front of the operator panel connector If the reading is incorrect check the operator panel cable for continuity If the ca...

Page 32: ...zzles are not working Run the test again to verify the failure If there are even breaks in the diagonal line similar to the pattern shown below replace the system board If there is a single break or r...

Page 33: ...ness Gears for wear or binds Paper path for obstructions Star rollers for binds or dirt The exit roller and star rollers keep tension on the paper by moving slightly faster than the feed rollers A bin...

Page 34: ...cor rect replace the motor Check for motor pins shorted to the motor housing If you find a pin shorted to the housing replace the motor If the failure remains replace the system board 2 System Board T...

Page 35: ...trip Print Head Cable System Board Perform the Encoder Sensor Test on page 27 If you cannot enter the test replace the system board 7 Maintenance Station A problem with the maintenance sta tion can ca...

Page 36: ...et button or turn the printer off The button pattern is illustrated for each test Press the buttons that are shaded Demo Test Perform this test with a black print cartridge installed This test prints...

Page 37: ...ectronic connection to the print cartridge During the test the print cartridge head goes through a maintenance cleaning at the mainte nance station Running this test with a color print cartridge insta...

Page 38: ...ff the printer The error number is the last number to print on the page in the lower right corner Paper Sensor Test Release the buttons after the maintenance station uncaps the print head In the paper...

Page 39: ...ly The bot tom 3 lights will repeat a count of 0 to 7 as you move the carrier across the machine with the Ink Low Light 1 the Paper Out Light 2 and the Busy Light 4 If the lights do not change replace...

Page 40: ...ul only the bot tom two lights will blink Initialize Nvram Use this procedure to reset the error log portion of NVRAM The paper sensor must be open to perform this function To do this place a piece of...

Page 41: ...d 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 3 Turn the machine on to print...

Page 42: ...the ESD wrist strap on your wrist Connect the wrist band to the system ground point This discharges any static electricity in your body to the machine Hold the ESD sensitive part by its edge connecto...

Page 43: ...can be coarse aligned or fine aligned Coarse alignment moves the center bar 1 300 085mm Fine align ment moves the center bar 1 1200 021mm To perform the coarse alignment open the operator panel cover...

Page 44: ...en 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 a...

Page 45: ...remove it from the machine When you reinstall the auto sheet feed be sure the feed arm assem bly is vertical with the feed pawl at the top ASF Envelope Buckler And Pick Roller Hub Removal 1 Remove th...

Page 46: ...load lever knob from the load lever 3 Remove the auto sheet feed right side cover by prying up the slots in the rear 4 Remove the paper load lever from the mounting stud Carrier Removal 1 Remove the t...

Page 47: ...Guide Removal You may remove the carrier guide without removing the covers if you carefully follow this procedure 1 Open and remove the access cover 2 Remove the print cartridge 3 With the carrier ce...

Page 48: ...ans port motor frame in place Push up the latches on the front of the side frames and pivot the carrier transport motor frame down and out of the side frames Encoder Strip Removal 1 Remove the top cov...

Page 49: ...port frame 3 Pivot the paper ejector pusher toward the front then pull it to remove the paper ejector from the shaft 4 Remove the bushing from the left end of the exit shaft To do this pull the tab an...

Page 50: ...ing studs Large Feed Roller Assembly 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 fi...

Page 51: ...ars the encoder strip Remove the carrier guide rod through the opening in the left side frame Be careful not to damage the encoder strip 10 Pull the ends of the print head cables into the machine then...

Page 52: ...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 sy...

Page 53: ...mounting screws or rotate the paper feed motor counter clockwise to remove it from the right side frame Paper Guide Removal 1 Remove the top cover 2 Remove the auto sheet feed 3 Disconnect the print h...

Page 54: ...d cable connectors on the system board first then disconnect the cables 3 Disconnect connectors J4 J5 and J6 from the system board 4 Remove the machine from the base To do this push the frame latches...

Page 55: ...er 5 Remove the pointer from the front of the carrier 6 Remove the 2 sensor mounting screws 7 Push down the 2 latches that secure the cradle to the carrier and pull the cradle up from the carrier 8 Re...

Page 56: ...ve the carrier rod guide through the opening in the left side frame Be careful not to damage the encoder strip 10 Pull the ends of the print head cables into the machine then remove the cables from th...

Page 57: ...nd rotate the bushing 6 Slide the small feed roller assembly to the left and lift it out of the machine Star Roller Removal 1 Remove the top cover 2 Move the carrier in line with the opening on the ca...

Page 58: ...ard 6 Check the bi directional alignment adjustment After replacing the system board reset the printer to the factory defaults as follows For countries using 8 5 x 11 paper 1 Turn off the printer 2 Ho...

Page 59: ...ot A and push the latch down At the same time push the right latch A down 5 Pull the rear cover out until the latches clear the top cover then lift the cover off the base 6 Turn the machine to the fro...

Page 60: ...ns 10 This chapter shows the locations of major printer assemblies con nectors and ground straps System Board Connectors Connector Connector Names J1 Print Head Cable J2 Print Head Cable J9 U20 S1 U23...

Page 61: ...XX Connector Locations 49 J4 Maintenance Motor J5 Paper Feed Motor J6 Transport Motor J7 FLASH RAM SIMM Option J9 Parallel Port J10 Operator Panel J11 Power Supply U20 Code Module Connector Connector...

Page 62: ...s Use no 23 grease to lubricate the following All gear mounting studs The right end of the exit roller at the right side frame The right end of the small feed roller at the right side frame The left e...

Page 63: ...commended in the Units column indicates that the part is procurable but not recommended for field replacement and that the next higher assembly should be ordered R Restricted in the Units column indic...

Page 64: ...4076 0XX 52 Assembly 1 Covers 2 6 5 3 1 4 9 7 8...

Page 65: ...367487 1 Access Cover Asm 3 1367486 1 Font Card Door 4 1367479 1 Rear Cover 5 1367493 1 Left Output Guide 6 1367484 1 Logo ExecJet II 6 1375486 1 Logo ExecJet IIc 7 1 Screw Parts Packet 1367169 8 1 Wa...

Page 66: ...4076 0XX 54 Assembly 2 Frames 2 3 4 1 6 5 7...

Page 67: ...t Number Units Description 1 1367489 1 Base Asm 2 1367209 1 Left Side Frame 3 1374349 1 Middle Frame Asm 4 1367229 1 Right Side Frame 5 1367309 1 Carrier Transport Motor Frame 6 1367199 1 Exit Tray As...

Page 68: ...4076 0XX 56 Assembly 3 Paper Feed 4 6 7 9 8 1 2 3 5...

Page 69: ...9 1 Paper Release Lever 2 2 Bushing Parts Packet 1367169 3 1367339 1 Paper Guide 4 1367279 1 Small Feed Roller Asm 5 1367289 1 Exit Roller Asm 6 1367266 1 Ejector B M 7 3 Spring Parts Packet 1367169 8...

Page 70: ...4076 0XX 58 Assembly 3 Paper Feed Cont...

Page 71: ...dex Part Number Units Description 10 1367239 1 Paper Feed Motor Asm 11 1367249 1 Gears B M 12 1367259 1 Feed Arm Asm 13 2 C Clip Parts Packet 1367169 14 2 Screw Parts Packet 1367169 15 1374363 1 Retai...

Page 72: ...4076 0XX 60 Assembly 4 Electronics 4 5 4 3 2 1 8 6 7 9 10 11...

Page 73: ...7 1342530 1 Power Cord Brazil HV 7 1430317 1 Power Cord Canada 7 1342534 1 Power Cord Chile 7 1342514 1 Power Cord Columbia 7 1342514 1 Power Cord Costa Rica 7 1339525 1 Power Cord Denmark 7 1342514 1...

Page 74: ...4076 0XX 62 Assembly 4 Electronics Cont 4 5 4 3 2 1 8 6 7 9 10 11...

Page 75: ...Cord South Africa 7 1339520 1 Power Cord Spain 7 1339520 1 Power Cord Sweden 7 1339522 1 Power Cord Switzerland 7 1339520 1 Power Cord Turkey 7 1339519 1 Power Cord United Kingdom 7 1342536 1 Power Co...

Page 76: ...4076 0XX 64 Assembly 4 Electronics Cont 12 13 10 11 9 12...

Page 77: ...Number Units Description 9 1367129 1 Operator Panel Card 10 1367141 1 Operator Panel Cable 11 3 Screw Parts Packet 1367169 12 1367133 1 Operator Panel Door B M 13 1367142 1 Door Overlay B M 13 136747...

Page 78: ...4076 0XX 66 Assembly 5 Carrier...

Page 79: ...99 1 Print Head Carrier Asm 2 1367149 1 Cable Print Head and Encoder Card 1425769 1 Encoder Card Only 3 2 Screw Parts Packet 1367169 4 1367109 1 Rubber Backer 5 1367089 1 Guide Rod Carrier 6 1 Clip Pa...

Page 80: ...4076 0XX 68 Assembly 6 Carrier Transport 1 2 4 5 3 6 7...

Page 81: ...cription 1 1367319 1 Motor Asm 2 2 Screw Parts Packet 1367169 3 1425748 1 Belt 4 1367379 1 Encoder Strip 5 1367349 1 Star Roller Asm ExecJet II 5 1425705 1 Star Roller Asm ExecJet IIc 6 5 Spring Parts...

Page 82: ...4076 0XX 70 Assembly 7 Auto Sheet Feed 6 13 5 2 10 3 9 14 1 11 10 12 4 8 7...

Page 83: ...r Support 4 1367469 1 Pick Roll and Paper Load Shaft B M 5 1367463 2 Pick Roll Hub Asm 6 1367449 1 Left Side Cover 7 1367459 1 Right Side Cover 8 1367029 1 Paper Load B M 9 1367019 1 Envelope Buckler...

Page 84: ...4076 0XX 72 Assembly 8 Maintenance Station 3 1 4 2...

Page 85: ...4076 0XX 73 Asm 8 Index Part Number Units Description 1 1425669 1 Rocker Asm 2 1367399 1 Drive Asm 3 1367389 1 Wiper and Cap B M 4 2 Screw Parts Packet 1367169...

Page 86: ...4076 0XX 74 Assembly 9 Options 1...

Page 87: ...4076 0XX 75 Asm 9 Index Part Number Units Description 1 1325283 1 256K Flash SIMM 1 1367139 1 256K RAM SIMM NS 1363110 1 Serial Option 1 1325285 1 1MB FLASH SIMM 1 1325286 1 2MB FLASH SIMM...

Page 88: ...val 37 First Print Line Service Check 11 G General Information 1 H Handling Esd sensitive Parts 30 How To Use This Parts Catalog 51 I Inside Idler Gears Removal 38 L Left Side Frame Removal 39 Lubrica...

Page 89: ...Index 77 4076 0XX U Unique Tools 3...

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