Page 3 - iii; Contents
iii 4076-0XX Contents 1 Notices and Safety Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . vi Electronic Emission Notices . . . . . . . . . . . . . . . . . . . . . . . . . . . viSafety Information. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . viii General I...
Page 4 - iv
iv 4076-0XX Repair Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .30 Handling Esd-sensitive Parts. . . . . . . . . . . . . . . . . . . . . . . 30 Adjustments . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 31 Bi-directional Alignm...
Page 6 - Notices and Safety Information; Electronic Emission Notices; Federal Communications Commission (FCC) Statement; Reorient or relocate the receiving antenna.
4076-0XX vi Notices and Safety Information 2 References in this publication to products, programs, or servicesdo not imply that the manufacturer intends to make theseavailable in all countries in which it operates. Any reference to aproduct, program, or service is not intended to state or imply that...
Page 7 - vii; Connect the equipment into an outlet on a circuit different; Industry Canada Compliance Statement
4076-0XX vii • Connect the equipment into an outlet on a circuit different from that to which the receiver is connected. • Consult your point of purchase or service representative for additional suggestions. The manufacturer is not responsible for any radio or televisioninterference caused by using ...
Page 8 - viii; Japanese VCCI Notice; This product satisfies the Class B limits of EN 55022.; Safety Information; The maintenance information for this product has been
4076-0XX viii Japanese VCCI Notice European Community (EC) Electromagnetic CompatibilityDirective This product is in conformity with the protection requirements ofEC Council directive 89/336/EEC on the approximation of thelaws of the Member States relating to electromagneticcompatibility. A declarat...
Page 9 - ix; Sicherheitshinweise
4076-0XX ix Sicherheitshinweise • Die Wartungsinformationen für dieses Produkt sind ausschließlich für die Verwendung durch einenWartungsfachmann bestimmt. • Während des Auseinandernehmens und der Wartung des Geräts besteht ein zusätzliches Risiko eines elektrischenSchlags und körperlicher Verletzun...
Page 11 - xi; El risc de xoc elèctric i de danys personals pot augmentar; Chinese Safety Information
4076-0XX xi • El risc de xoc elèctric i de danys personals pot augmentar durant el procés de desmuntatge i de servei d’aquestproducte. El personal professional ha d’estar-ne assabentat iprendre les mesures convenients. • Les característiques de seguretat d’algunes de les peces poden no ser òbvies. P...
Page 12 - xii; Korean Safety Information
Page 13 - General Information; Power Consumption; Less than 2 Watts - power off and power to the printer
General Information 1 4076-0XX General Information 3 This manual is used to service both the IBM ExecJet II by Lexmark4076 and the ExecJet IIc 4076 printers. The ExecJet IIc is capable ofusing a color print cartridge or a black print cartridge. The ExecJet IIuses only a black print cartridge. Both t...
Page 14 - Options; The following options are available. Some options are not avail-; Maintenance Approach; This printer can be serviced without being connected to a host.
4076-0XX 2 Options • The following options are available. Some options are not avail- able in every country. Contact your point of purchase for optionsavailable in your country. • Serial Adapter • Flash Memory Simm - 256K, 1MB, 2MB • SRAM SIMM - 256K Maintenance Approach The diagnostic information i...
Page 15 - Abbreviations
4076-0XX General Information 3 Abbreviations Unique Tools Required For Service Wrap Plug (Parallel) P/N = 1319128 CE Customer Engineer CPU Central Processing Unit CSU Customer Setup DRAM Dynamic Random Access Memory EP Electrophotographic Process ESD Electrostatic Discharge FRU Field Replaceable Uni...
Page 16 - Diagnostic Information; “Test Page” on page 26
Diagnostic Information 4 4076-0XX Diagnostic Information 4 Use the error code charts, symptom index, service checks, anddiagnostic aids in this chapter to determine the failing part in a mal-functioning printer. Start Service error indications show up as flashing operator panel lights. Aflashing Dra...
Page 17 - Error Indicator Table
4076-0XX Diagnostic Information 5 Error Indicator Table ErrorCode Alternating Light Pattern Action 6465 Replace the EPROM and/orsystem board. 66 to78 Replace the EPROM and/orsystem board. NoLog Replace the EPROM and/orsystem board. 79 Replace the EPROM and/or thesystem board.
Page 19 - tom Tables” on page 9
4076-0XX Diagnostic Information 7 Power-on-self-test (Post) Sequence When you turn the printer on it performs a POST. Turn your machineon and check for a correct POST operation by observing the follow-ing: 1. The power light comes on. 2. All four function lights come on and then go off one light at ...
Page 21 - Symptom Tables; Carrier Transport Problems
4076-0XX Diagnostic Information 9 Symptom Tables Locate your symptom in the following tables and take the appropri-ate action. Carrier Transport Problems Communications Problem Maintenance Station Problems Operator Panel Problems SYMPTOM ACTION • No carrier movement• Slow carrier movement• Carrier s...
Page 23 - SIMM Problem; Service Checks; Envelope Feed Service Check
4076-0XX Diagnostic Information 11 SIMM Problem Service Checks Envelope Feed Service Check First Print Line Service Check SYMPTOM ACTION Can’t write to SIMM Go to the “Simm Service Check” on page 22 . FRU OR PROCEDURE ACTION 1 Envelope Loading Be sure the envelope guides havebeen turned to the envel...
Page 24 - Maintenance Station Service Check; The maintenance station has two functions:
4076-0XX 12 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.. Note: if the failure remains, replace the system board FRU OR...
Page 25 - Operator Panel Service Check
4076-0XX Diagnostic Information 13 Operator Panel Service Check FRU OR PROCEDURE ACTION 1 Power Supply Disconnect J11 from the systemboard and check the following volt-ages on the power supply cable: J11-1 to GND = +5V dcJ11-3 to GND = +24V dc If you do not have correct voltage,replace the power sup...
Page 26 - Paper Feed Service Check; Check the entire paper path for obstructions.
4076-0XX 14 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. • Check the entire paper path for obstructions. • Make sure there is no...
Page 29 - Paper Path Service Check
4076-0XX Diagnostic Information 17 Paper Path Service Check Examine the machine for the following before you begin this servicecheck: • 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 t...
Page 30 - Parallel Port Service Check
4076-0XX 18 Parallel Port Service Check FRU OR PROCEDURE ACTION 1 Parallel Port Run a test page to be sure the printercan print. Run the “Parallel Port Test” on page 28 . If the test fails, replace the system board. 2 Serial Adapter Check the serial adapter green light.If the light is off, replace t...
Page 31 - Power Service Check
4076-0XX Diagnostic Information 19 Power Service Check FRU OR PROCEDURE ACTION 1 Power Supply Disconnect J11 from the systemboard and check the following volt-ages on the power supply cable: J11-1 to GND = +5V dcJ11-3 to GND = +24 V dc If you do not have correct voltage,replace the power supply. Be ...
Page 32 - Print Quality Service Check
4076-0XX 20 Print Quality Service Check FRU OR PROCEDURE ACTION 1 Print Cartridge Be sure the machine has a knowngood print cartridge. 2 Print Head Carrier Assembly Reseat the print head cable in thesystem board and check the followingparts for wear or damage: Print Cartridge LatchLatch SpringCarrie...
Page 36 - Diagnostic Aids; Demo Test; Perform this test with a black print cartridge installed.; Perform this test with a black print cartridge installed.
Diagnostic Aids 24 4076-0XX Diagnostic Aids 4 Use these diagnostic test procedures to verify a repair. The test pro-cedures are entered by pressing and holding a button, or buttons, asyou turn on the printer. Except for the Hex Print test procedure, theprinter does not need to be attached to a host ...
Page 37 - Purge Test; Print Nvram; This test prints the contents of NVRAM.
4076-0XX Diagnostic Aids 25 Purge Test Perform this test with a black print cartridge installed. This test prints out a nozzle test pattern followed by several greylines and another nozzle test pattern. Use this test to check the func-tion of all the nozzles in the print cartridge. This test also ch...
Page 38 - Test Page; Paper Sensor Test
4076-0XX 26 Test Page Perform this test with a black print cartridge installed. This test repeatedly prints the nozzle test pattern followed by a sam-ple of each font installed in the printer including resident fonts as wellas fonts stored in FLASH memory. This test continues until youpress the Rese...
Page 39 - Encoder Sensor Test
4076-0XX Diagnostic Aids 27 Encoder Sensor Test Release the button after the maintenance station uncaps the printhead. For this test the bottom three operator panel lights display the cur-rent carrier position as determined by the carrier encoder. Theprinter motors are disabled during this test to a...
Page 41 - Serial Adapter Test
4076-0XX Diagnostic Aids 29 Serial Adapter Test Perform this test with a black print cartridge installed. This test checks out the connection between the serial adapter andthe 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...
Page 42 - Repair Information; Handling Esd-sensitive Parts
Repair Information 30 4076-0XX Repair Information 5 This chapter explains how to make adjustments to the printer andhow 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 sensit...
Page 43 - Adjustments; Bi-directional Alignment Adjustment
4076-0XX Repair Information 31 • Be extra careful in working with ESD-sensitive parts when cold- weather heating is used because low humidity increases staticelectricity. Adjustments Bi-directional Alignment Adjustment Perform this adjustment with the black print cartridge installed. 1. Turn off the...
Page 44 - Removal Procedures; Releasing Plastic Latches
4076-0XX 32 Removal Procedures The following procedures are arranged in alphabetical order accord-ing to the name of the printer part discussed. When there is artworkto support a procedure, it follows the text. Releasing Plastic Latches Many of the parts are held in place with plastic latches. To re...
Page 45 - Push in the two latches [A] that secure the auto sheet feed to the; ASF Envelope Buckler And Pick Roller Hub Removal; Remove the inside C-clip from the pick roller shaft and pull the
4076-0XX Repair Information 33 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 themachine. When you reinstall the auto sheet feed, be sure the feed arm...
Page 47 - Carrier Transport Belt Removal
4076-0XX Repair Information 35 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. 5. Re...
Page 49 - Exit Roller Assembly Removal
4076-0XX Repair Information 37 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 systemboard first, then disconnect the cables 4. Disconnect connectors J4, J5, a...
Page 51 - Left Side Frame Removal
4076-0XX Repair Information 39 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 systemboard first, then disconnect the ...
Page 53 - Outside Idler Gears Removal
4076-0XX Repair Information 41 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 systemboard first, then disconnect the cables. 3. Each gear is latched in place. Push up the latc...
Page 54 - Disconnect the print head cables from the system board. You
4076-0XX 42 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 removethe lever. Power Supply Removal 1. Remove the top cover. 2. Disc...
Page 55 - Print Head Cable Removal; Remove the pointer from the front of the carrier.
4076-0XX Repair Information 43 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. 6. Remove the 2 sensor mounting screws. 7. Push ...
Page 56 - Right Side Frame Removal
4076-0XX 44 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 systemboard first, then disconnect the cables. 5. Disconn...
Page 57 - Rubber Backer Removal
4076-0XX Repair Information 45 carrier guide, push down the front, bottom edge. It will snap underthe carrier guide. To install the right side frame onto the middle frame, align the rightside frame latch with the latching surface on the mid frame beforeyou align the roller shafts and carrier guide. ...
Page 58 - System Board Removal
4076-0XX 46 System Board 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 systemboard first, then disconnect the cables. 3. Disconnect connectors J4, J5, and J6 from the system board. 4. Remove the...
Page 59 - Top Cover Removal
4076-0XX Repair Information 47 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 botto...
Page 60 - Connector Locations; System Board Connectors
Connector Locations 48 4076-0XX Connector Locations 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 J7 J1 J2 1 1 1 J11 1 J6 J5 J4 J10 1 1 1 .CE/TP ...
Page 62 - Preventive Maintenance; Lubrication Specifications
Preventive Maintenance 50 4076-0XX Preventive Maintenance 11 This chapter contains the lubrication specifications. Following theserecommendations can help prevent problems and maintain optimumperformance. Lubrication Specifications Lubricate only when parts are replaced or as needed, not on aschedul...
Page 63 - Parts Catalog; How To Use This Parts Catalog
51 4076-0XX Parts Catalog 12 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. Partspeculiar to one or the other of the assemblies are listed sep-arately and...
Page 68 - Assembly 3: Paper Feed
4076-0XX 56 Assembly 3: Paper Feed 4 6 7 9 8 1 2 3 5
Page 72 - Assembly 4: Electronics
4076-0XX 60 Assembly 4: Electronics 4 5 4 3 2 1 8 6 7 9 10 11
Page 80 - Assembly 6: Carrier Transport
4076-0XX 68 Assembly 6: Carrier Transport 1 2 4 5 3 6 7
Page 82 - Assembly 7: Auto Sheet Feed
4076-0XX 70 Assembly 7: Auto Sheet Feed 6 13 5 2 10 3 9 14 1 11 10 12 4 8 7
Page 84 - Assembly 8: Maintenance Station
4076-0XX 72 Assembly 8: Maintenance Station 3 1 4 2
Page 88 - Index
Index 76 4076-0XX Index 13 A Abbreviations 3 Adjustments 31 ASF Envelope Buckler And Pick Roller Hub Removal 33 ASF Paper Load Lever Removal 34 ASF Right And Left Edge Guide Assemblies Removal 34 Auto Sheet Feed Removal 33 C Carrier Belt Removal 35 Carrier Guide Removal 35 Carrier Transport Motor Fr...
