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Lexmark 4600 MFP Service Manual

Mfp option
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Edition: May 11, 2006
™
Lexmark
4600 MFP option
4036-307/308
• Table of contents
• Start diagnostics
• Safety and notices
• Trademarks
• Index
Lexmark and Lexmark with diamond design are
trademarks of Lexmark International, Inc., registered
in the United States and/or other countries.

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Summary of Contents for Lexmark 4600 MFP

  • Page 1 Lexmark 4600 MFP option 4036-307/308 • Table of contents • Start diagnostics • Safety and notices • Trademarks • Index Lexmark and Lexmark with diamond design are trademarks of Lexmark International, Inc., registered in the United States and/or other countries.

  • Page 2: Edition: May

    Lexmark, Lexmark with diamond design, and MarkVision are trademarks of Lexmark International, Inc., registered in the United States and/or other countries. Optra Forms is a trademark of Lexmark International, Inc.

  • Page 3: Table Of Contents

    4036-307/308 Table of contents Table of contents ............iii Safety information .
  • Page 4 4036-307/308 LCD touch-screen buttons ............2-22 Sample screen one .
  • Page 5 4036-307/308 Document input tray removal ............4-3 ADF lower cover removal .
  • Page 6 4036-307/308 Assembly 3: Lower scanner ............7-6 Assembly 4: Electronic boards .

  • Page 7: Safety Information

    4036-307/308 Safety information Safety information • The safety of this product is based on testing and approvals of the original design and specific components. The manufacturer is not responsible for safety in the event of use of unauthorized replacement parts. •...
  • Page 8 4036-307/308 Sicherheitshinweise • Die Sicherheit dieses Produkts basiert auf Tests und Zulassungen des ursprünglichen Modells und bestimmter Bauteile. Bei Verwendung nicht genehmigter Ersatzteile wird vom Hersteller keine Verantwortung oder Haftung für die Sicherheit übernommen. • Die Wartungsinformationen für dieses Produkt sind ausschließlich für die Verwendung durch einen Wartungsfachmann bestimmt.
  • Page 9 4036-307/308 Informació de Seguretat • La seguretat d'aquest producte es basa en l'avaluació i aprovació del disseny original i els components específics. El fabricant no es fa responsable de les qüestions de seguretat si s'utilitzen peces de recanvi no autoritzades. •...

  • Page 10: Preface

    4036-307/308 Preface This manual contains maintenance procedures for service personnel. It is divided into the following chapters: General information contains a general description of the scanner and the maintenance approach used to repair it. Special tools and test equipment are, as well as general environmental and safety instructions. Diagnostic information contains an error indicator table, symptom tables, and service checks used to isolate failing field replaceable units (FRUs).

  • Page 11: General Information

    1. General information Overview The Lexmark™ 4600 MFP option is a multifunction solution that offers integrated print, copy, fax, and color network-scanning capabilities for increased small workgroup productivity. The option is easy to use and provides low-cost access to key office functions, including fax from workstation, network color copying, scanning, and electronic document routing.

  • Page 12: Scanner Specifications

    4036-307/308 Scanner specifications The scanner is designed to meet the following product specifications: Scanner Scanner Type Flatbed Scanner with ADF built in Optical Resolution Flatbed: 600x300 dpi ADF: 300x300 dpi Scan Speed 17 ppm at 600 dpi color for single page scanning 40 ppm at 600 dpi line-art, duplex for ADF Scan Method Color Charge-Coupled Device (CCD)

  • Page 13: Tools Required For Service

    4036-307/308 General specifications: • Optical Resolution 600x300 dpi • Document Capacity 50 sheets Document: • Document size Max. 8.5 x 14 inch (W x L) Min. 4.5 x 5.5 inch (W x L) • Thickness 0.05~0.15 mm Tools required for service Flat-blade screwdriver #1 Phillips screwdriver, magnetic #2 Phillips screwdriver, magnetic...
  • Page 14 4036-307/308 Service Manual...

  • Page 15: Diagnostic Information

    4036-307/308 2. Diagnostic information Start CAUTION Unplug all power from the electrical outlet before you connect or disconnect any cable or electronic board or assembly for personal safety and to prevent damage to the scanner. Disconnect any connections between the scanner and the printer. This chapter describes two methods to solve the operational problems.

  • Page 16: Power-On Self Test (Post) Sequence

    The operator panel turns on. The operator panel displays counting the memory. The operator panel displays a progression bar with the Lexmark splash logo. You can hear the scanner doing a scanner calibration. You can hear the printer starting up. It takes the printer longer to start up from a cold start rather than from a warm start.

  • Page 17: Error Codes And Messages

    4036-307/308 Error codes and messages Service error codes Service error codes are generally non-recoverable except in an intermittent condition when you can POR the printer to temporarily recover from the error condition. Service error codes are indicated by a three-digit error code followed by a period and additional numbers in the format XXX.YY.
  • Page 18 4036-307/308 Error Displayed message Description Action code codes Front scan module has This will manifest itself by Replace flatbed optical unit excessive noise creating a fuzzy image. Rear scan module has This will manifest itself by Replace ADF optical unit excessive noise creating a fuzzy image.
  • Page 19 4036-307/308 Error Displayed message Description Action code codes Modem Failure The Configuration ID bit that Replace modem card describes the device’s modem doesn’t match the actual modem installed in the device. Modem/Config ID A device doesn’t have a modem “848.00 Modem/config ID Mismatch installed, even though its mismatch”...

  • Page 20: User Attendance Messages

    4036-307/308 User attendance messages Additional messages may appear, and most are documented in the Menus and Messages Guide for this option and the Service Manual for the base printer. The messages listed below pertain to the scanner portion rather than the base printer. User attendance messages Error Display text...
  • Page 21 4036-307/308 User attendance messages (continued) Error Display text Description Action code codes If restarting job, One or more messages that Replace the original documents in the replace originals interrupted a scan job are scanner to restart the scan job. that have not now cleared.
  • Page 22 4036-307/308 User attendance messages (continued) Error Display text Description Action code codes Replace all One or more messages that Touch Restart job if job level recovery is originals if interrupted a scan job are active and the job is restartable. The restarting job.
  • Page 23 4036-307/308 User attendance messages (continued) Error Display text Description Action code codes Restore held jobs? Held jobs are found on the Touch Yes to restore the held jobs to the hard disk after a power-on hard disk and make them available. The reset of the MFP.
  • Page 24 4036-307/308 User attendance messages (continued) Error Display text Description Action code codes Insufficient The MFP cannot defragment Touch Continue to clear the message. memory for Flash flash memory because the To perform the defragment operation, Memory Defragment memory used to store install additional memory, or delete fonts, operation undeleted flash resources is...
  • Page 25 4036-307/308 User attendance messages (continued) Error Display text Description Action code codes Scanner jam, The scanner fails to pull a The message clears when the scanner remove all sheet from the ADF. knows that the sheet is removed from the originals from the ADF.
  • Page 26 4036-307/308 User attendance messages (continued) Error Display text Description Action code codes Replace all The MFP receives a scan job; Touch Continue if no scan job is active originals if however, there is no original when the attendance message appears. restarting job document in the ADF.

  • Page 27: Service Checks

    4036-307/308 Service checks The power does not come on Step Action and Question Is the AC cord unplugged? Plug in cords Go to step 2 Is the printer power switch OFF? Turn on power switch Go to step 3 Is the PCI cable unplugged? Plug in cable and/or Go to step 4 tighten screws...

  • Page 28: Image Unclear

    4036-307/308 Step Action and Question Is the ADF/CCD data cable connected? Replace the ADF optical unit Connect cable and tighten screws Image unclear Step Action and Question Are you placing the original on the flatbed? Go to step 2 Go to step 3 Is there dirt on the ADF mirror? Clean the mirrors with Replace the ADF optical...

  • Page 29: Strange Sound Generated (Flatbed)

    4036-307/308 Step Action and Question Does the sound come from the pick roller assembly? Replace the pick Go to step 3 roller assembly Does the sound come from the paper feed motor? Replace the Replace the ADF paper feed motor unit Strange sound generated (flatbed) Step...

  • Page 30: Rear Scan Module Output Level Error

    4036-307/308 844.01 Rear scan module output level error Step Action and questions Check the ADF lamp. Go to step 3 Go to step 2 Is the lamp on brightly? Is the SDF lamp on dimly? Replace flatbed optical Replace flatbed lamp unit 844.02 Front scan module lamp level too low Step...

  • Page 31: Cable/Scc Failure

    4036-307/308 845.03 Cable/SCC failure Step Action and questions Is the ADF/CCD data cable securely attached to Go top step 2 Reseat ADF/CCD the flatbed unit? data cable and tighten the screws Is the ADF/CCD data cable securely attached to Replace the ADF/CCD Reseat the ADF/ the ADF optical unit? data cable...

  • Page 32: Hd/Config Id Mismatch

    4036-307/308 848.01 Modem/config ID mismatch Step Action and questions Is the model a 4036-307? Remove modem board and modem Replace the scanner cable control board with (check the back panel) 40X2197 849.00 HD/config ID mismatch Step Action and questions Is the power cable connected to the hard Go to step 2 Securely connect the drive and the scanner control board?

  • Page 33: Legend

    4036-307/308 Legend Control panel item Function The liquid crystal display (LCD) shows home screen buttons, menus, menu items, and values. It allows for making selections within Copy, Fax, and so on. Indicator light Gives information about the status of the MFP using the colors red and green: Status Indicates MFP power is off.

  • Page 34: Home Screen

    4036-307/308 Home screen After the MFP is turned on and a short warm-up period occurs, the LCD shows the following basic screen, which is referred to as the home screen. Use the LCD touch-screen home screen buttons to open a menu. Once in a menu, use other buttons to scroll through a list of menu items or values, select a value to change the user default setting, and respond to messages.
  • Page 35 4036-307/308 Other LCD touch-screen buttons may appear on the home screen. They are: Button Button name Function Release Held There are held faxes with a scheduled hold time previously set. To access Faxes (or Held the list of held faxes, touch this button. Faxes if in Manual Mode) Search Held Jobs...

  • Page 36: Lcd Touch-Screen Buttons

    4036-307/308 Button Button name Function Cancel Jobs Open the Cancel Jobs screen. The Cancel Jobs screen shows any of the following items under three headings on the screen, which are Print, Fax, Cancel and Network: Jobs • print job • copy job •...

  • Page 37: Information On Lcd Touch-Screen Buttons

    4036-307/308 Information on LCD touch-screen buttons Button Button name Function or description Select Touch the select button to have another screen appear with additional items. On the first screen, the user default setting is shown. Once the select button is touched, and the next screen appears, touching another item shown on the screen changes the user default setting.

  • Page 38: Sample Screen Two

    4036-307/308 Sample screen two 2-24 Service Manual...

  • Page 39: Information On Lcd Touch-Screen Buttons

    4036-307/308 Information on LCD touch-screen buttons Button Button name Function or description Down arrow Touch the down arrow to move down to the next item in a list, such as a list of menu items or values. The down arrow does not appear on a screen with a short listing.

  • Page 40: Other Lcd Touch-Screen Buttons

    4036-307/308 Other LCD touch-screen buttons Button Button name Function or description Custom Allows for creating a custom button based on the user’s needs. Cancel Cancel an action or a selection, or cancel out of a screen and return to the previous screen.

  • Page 41: Features

    4036-307/308 Features Feature Feature name Description Menus > Settings > Menu trail line A line is located at the top of each menu screen. This feature acts as a trail. Copy Settings > It gives the exact location within the menus. Touch any of the underlined Number of Copies words to return to that menu or menu item.
  • Page 42 4036-307/308 2-28 Service Manual...

  • Page 43: Diagnostic Aids

    4036-307/308 3. Diagnostic aids This chapter explains the tests and procedures to identify printer failures and to verify that repairs have corrected the problem. Accessing service menus There are different test menus that can be accessed during POR to identify problems with the printer. Diagnostics Mode 1.

  • Page 44: Diagnostics Menu

    4036-307/308 Diagnostics Menu Entering Diagnostics Menu Turn off the printer. Press and hold 3 and 6 buttons simultaneously. Turn on the printer. Release the buttons after 10 seconds. Available tests The tests display on the operator panel in the order shown: Note: Some menus are not available, depending on the configuration of the printer.

  • Page 45: Event Log

    Page counts for most errors • Additional debug information in some cases The printed event log can be faxed to Lexmark or your next level of support for verification or diagnosis. To print the event log: Touch to select Print Log from EVENT LOG.

  • Page 46: Clear Log

    4036-307/308 Clear Log Use Clear Log to remove the current information in the Event Log. This affects both the viewed log and the printed log information. Touch to select Clear Log from the Event Log menu. Touch to select Yes to clear the Event Log, or touch to select NO to exit the Clear Log menu.

  • Page 47: Sensor Tests

    4036-307/308 Sensor Tests The following tests are available: ADF cover Open ADF Exit Sensor ADF Interval ADF Jam Removal ADF Paper Present FB Cover Open Home Sensor SCAN_QRY_PAPER_SIZE_ADF_LONG SCAN_QRY_PAPER_SIZE_ADF_WIDTH1 SCAN_QRY_PAPER_SIZE_ADF_WIDTH2 SCAN_QRY_PAPER_SIZE_ADF_WIDTH3 SCAN_QRY_PAPER_SIZE_FB_LONG SCAN_QRY_PAPER_SIZE_FB_MEDIUM SCAN_QRY_PAPER_SIZE_FB_SHORT SCAN_SENSOR_FIRST_SCAN_BIT SCAN_SENSOR_SECOND_SCAN_BIT Diagnostic aids...

  • Page 48: Configuration Menu (Config Menu)

    4036-307/308 Configuration menu (CONFIG MENU) Entering Configuration Menu Turn off the printer. Press and hold 2 and 6 buttons simultaneously. Turn on the printer. Release the buttons after 10 seconds. Available menus Note: Some menus are not available, depending on the configuration of the printer. For other menu items, see the printer service manual.

  • Page 49: Format Fax Storage

    4036-307/308 Format Fax Storage This setting enables you to format the non-volatile storage used for storing faxes. to select Format Fax Storage from the Configuration Menu. Formatting To change this setting, touch Fax Flash DO NOT POWER OFF appears on the LCD while the format operation is active. Note: If an advanced password has been established, you must enter this password in order to change the setting.

  • Page 50: Automatic Scanner Registration

    4036-307/308 Automatic Scanner Registration To perform the Automatic Scanner Registration: Obtain two pieces of colored paper (A4 or letter) for the automatic registration. Use a light blue sheet or other solid color paper. Touch to select Automatic Scanner Registration from the Configuration Menu. Please place a piece of dark colored paper on the Flatbed and in the ADF Start...

  • Page 51: Event Log

    4036-307/308 EVENT LOG The event log provides a history of printer errors. The event log can only be printed in CONFIG MENU. Additional options are available in DIAGNOSTICS. See “EVENT LOG” on page 3-2. To print the event log: Touch to select Event Log from the Configuration Menu.

  • Page 52: Wipe Disk

    4036-307/308 Contents will be lost. Continue? appears on the touchscreen. Touch No to cancel or Yes to proceed. If you select Yes, the printer performs the selected action on the hard disk. The following graphic appears when the encryption process is selected: The panel provides many progress indicators during the two-stage process.

  • Page 53: Key Repeat Initial Delay

    4036-307/308 Key Repeat Initial Delay When a key is touched repeatedly, this is the delay before the key begins repeating. The delay ranges from 0.25 seconds to 5 seconds. The default is 1 second. Values are given in increments of 0.25 seconds. To change this setting: Touch to select Key Repeat Initial Delay from the Configuration Menu.

  • Page 54: Paper Feed Jams

    4036-307/308 Paper feed jams By carefully selecting print media and loading it properly, you should be able to avoid most paper jams. If jams do occur, follow the steps outlined in this section. To resolve the paper jam messages, you must clear the entire paper path, and then touch Continue to clear the message and resume printing.

  • Page 55: Access Doors And Trays

    4036-307/308 Access doors and trays The following illustration shows the path that print media travels through the MFP. The path varies depending on the input source (trays, multipurpose feeder, envelope feeder) you are using. The numbers in the following illustration indicate the numbers that can appear on the control panel and designate the general area of a paper jam.

  • Page 56: Clearing Jams

    4036-307/308 Clearing jams Although there are several places a jam can occur, clearing the paper path is fairly easy. Paper jams can occur in three areas: the front of the scanner, inside the scanner, and at the rear of the scanner. Jams in the front of the scanner occur in the input options or the duplex tray.

  • Page 57: Repair Information

    4036-307/308 4. Repair information 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). To prevent damage to ESD-sensitive parts, use the following instructions in addition to all the usual precautions, such as turning off power before removing logic boards: •...

  • Page 58: Removal Procedures

    4036-307/308 Removal procedures CAUTION Remove the power from the equipment or electrical outlet before you connect or disconnect any cable or electronic board or assembly for personal safety and to prevent damage to the printer. Disconnect any connections between the equipment and PCs/peripherals. Note: Some removal procedures require removing cable ties.

  • Page 59: Flatbed Ccd Optical Unit

    4036-307/308 Flatbed CCD optical unit Do not loosen ADF optical unit Do not loosen Document input tray removal Press down on the latches (A) on the top of the document input tray, and tilt the document tray back. Disconnect the paper length connect cable (B). Press the tabs (C) on the side to release the document input tray from the ADF.

  • Page 60: Adf Lower Cover Removal

    4036-307/308 ADF lower cover removal Remove the document input tray. See “Document input tray removal” on page 4-3. Remove the ADF upper cover. See “ADF upper cover removal” on page 4-8. Remove the four screws (A). Rotate the ADF lower cover up and then back. Service Manual...
  • Page 61 4036-307/308 Disconnect the ground cable (B). Remove the screw (C), and remove the ground wire. Repair information...
  • Page 62 4036-307/308 Disconnect the paper present/paper feed cables (D) from the ADF sensor board. Remove the ADF lower cover. Service Manual...

  • Page 63: Adf Outer Cover Removal

    4036-307/308 ADF outer cover removal Press the lever (A) to open the ADF outer cover. Remove three screws (B). Remove the ADF outer cover. Installation note: To reinstall the ADF outer cover, close the ADF upper cover, slide the ADF outer cover hinges (C) under the tabs (D), and close.

  • Page 64: Adf Upper Cover Removal

    4036-307/308 ADF upper cover removal Remove the ADF outer cover. See “ADF outer cover removal” on page 4-7. Pivot the ADF upper cover to remove. ADF lamp removal Remove the paper feed assembly. See “Paper feed assembly removal” on page 4-16.
  • Page 65 4036-307/308 Remove the lamp cover (B), and set it aside. Note the position of the two leaf springs (C) on the right and left so you can replace them. Remove the two screws (D). Remove the metal shield. Repair information...
  • Page 66 4036-307/308 Remove the lamp cable from the channel. Lift the lamp by the ceramic ends and remove. Do not touch the glass. Note: Run registration if you are installing a new ADF lamp. See “Configuration menu (CONFIG MENU)” on page 3-6.

  • Page 67: Adf Motor/Distribution Board Removal

    4036-307/308 ADF motor/distribution board removal Remove document cover assembly. See “Document cover assembly removal” on page 4-14. Remove the two screws (A), and remove the cover. Remove the five cables (B). Remove the two screws (C). Remove the board. 4-11 Repair information...

  • Page 68: Adf Optical Unit Removal

    4036-307/308 ADF optical unit removal Warning: Do not loosen any screws with red coating. Remove the ADF lower cover. See “ADF lower cover removal” on page 4-4. Disconnect the three cables (A). Remove the three screws (B) from the ADF optical unit. Remove the ADF optical unit.

  • Page 69: Adf Sensor Board Removal

    4036-307/308 ADF sensor board removal Remove the ADF lower cover. See “ADF lower cover removal” on page 4-4. Disconnect the cables from the ADF motor sensor board. Remove the screw (A). Remove the ADF sensor board. ADF upper cover sensor removal Remove the ADF lower cover.

  • Page 70: Document Cover Assembly Removal

    4036-307/308 Document cover assembly removal Remove the document input tray. See “Document input tray removal” on page 4-3. Unplug the two cables (A) from the back of the flatbed scanner. Open the document cover assembly. Place a hand at the top of the lid, and lift the document cover assembly until it catches on the bottom tabs. 4-14 Service Manual...
  • Page 71 4036-307/308 Pull the document cover assembly tabs up and out one at a time. Remove the document cover assembly. Note: Run registration if you are installing a new document cover. See “Configuration menu (CONFIG MENU)” on page 3-6. 4-15 Repair information...

  • Page 72: Paper Feed Assembly Removal

    4036-307/308 Paper feed assembly removal Remove ADF upper cover. See “ADF upper cover removal” on page 4-8. Remove ADF optical unit. See “ADF optical unit removal” on page 4-12. Remove the paper feed motor. See “Paper feed motor removal” on page 4-17.

  • Page 73: Paper Feed Motor Removal

    4036-307/308 Paper feed motor removal Remove the ADF lower cover. See “ADF lower cover removal” on page 4-4. Remove the three screws (A) securing the paper feed motor. Disconnect the cable (B). Remove the paper feed motor. 4-17 Repair information...

  • Page 74: Paper Feed Roller Removal

    4036-307/308 Paper feed roller removal Press the lever (A) to open the ADF outer cover. Push down on the latch (B) securing the paper feed roller. Remove the paper feed roller by freeing the right side first. 4-18 Service Manual...

  • Page 75: Paper Length Sensor Removal

    4036-307/308 Paper length sensor removal Remove the document input tray. See “Document input tray removal” on page 4-3. Turn the document input tray over. Remove the five screws (A) on the document input tray inner cover. Disconnect the paper length sensor cable (B) from the card. 4-19 Repair information...

  • Page 76: Paper Present/Paper Feed 1 Sensors Removal

    4036-307/308 Pull the sensor up to remove it from the document input tray. Paper present/paper feed 1 sensors removal Remove the ADF lower cover. See “ADF lower cover removal” on page 4-4. Remove the two screws (A). Remove the paper present sensor (B) by lifting up. Remove the paper feed 1 sensor (C) by lifting up.

  • Page 77: Paper Stop Removal

    4036-307/308 Paper stop removal Raise the paper stop (A). Gently use a screwdriver to release the pins holding the paper stop in place. Pick pad removal After scanning approximately 100,000 pages through the ADF, the pick roll pad may be worn and you may experience problems with document feeding.

  • Page 78: Scanner Cushion Removal

    4036-307/308 Scanner cushion removal Remove the document cover assembly. See “Document cover assembly removal” on page 4-14. Remove the two screws (A), and remove the cover. Remove the five screws (B). Lift the scanner cushion. 4-22 Service Manual...

  • Page 79: Control Panel Keypad Board Removal

    4036-307/308 Control panel keypad board removal Remove the control panel assembly. See “Control panel assembly removal” on page 4-24. Disconnect the three cables (A) from the keypad board. Remove the six screws (B) that secure the board. Remove the board from the control panel assembly. 4-23 Repair information...

  • Page 80: Control Panel Assembly Removal

    4036-307/308 Control panel assembly removal Remove the document cover assembly. See “Document cover assembly removal” on page 4-14. Place the scanner on its back. Note: Make sure the glass pane is placed on a soft, clean surface to avoid scratching the glass. Remove the four screws (A) to loosen the control panel assembly from the scanner.
  • Page 81 4036-307/308 Disconnect the cables from the touch screen (B) and from the keypad board (C). 4-25 Repair information...

  • Page 82: Lcd Hv Inverter Board Removal

    4036-307/308 LCD HV inverter board removal Remove the control panel assembly. See “Control panel assembly removal” on page 4-24. Disconnect the two cables (A). Remove the three screws (B). Lift the protective metal cover (C). Remove the LCD HV inverter board from the metal cage. 4-26 Service Manual...

  • Page 83: Control Panel Display Assembly Removal

    4036-307/308 Control panel display assembly removal Remove the control panel assembly. See “Control panel assembly removal” on page 4-24. Disconnect the three cables (A). Remove the six screws (B). Turn the control panel assembly over, carefully. The bezel and display are loose. Lift the bezel (C).

  • Page 84: Flatbed Cover With Glass Removal

    4036-307/308 Flatbed cover with glass removal Remove the control panel assembly. See “Control panel assembly removal” on page 4-24. Remove the two screws (A) and two screws (B). Lift straight up to remove the upper housing. 4-28 Service Manual...

  • Page 85: Carriage Transport Belt Removal

    4036-307/308 Carriage transport belt removal Remove the flatbed CCD optical unit. See “Flatbed CCD optical unit removal” on page 4-30. Remove the screw (A), and lift the belt from the pin. Remove the clip (B) on the other end of the belt, and remove it from the pin. Remove the carriage transport belt.

  • Page 86: Flatbed Ccd Optical Unit Removal

    4036-307/308 Flatbed CCD optical unit removal Warning: Do not loosen any screws with red coating. Remove the flatbed cover with glass. See “Flatbed cover with glass removal” on page 4-28. Disconnect the two CCD cables (A). Remove two screws (B) securing the strap, and lift the metal strap off the retaining pins. Note: Be sure to set aside the strap.
  • Page 87 4036-307/308 Disconnect the belt (C) from the flatbed optical CCD. Note: Take note of the belt routing within the optical unit. Remove the flatbed optical CCD. Note: Run registration if you are installing a new flatbed CCD optical unit. See “Configuration menu (CONFIG MENU)”...

  • Page 88: Flatbed Lamp Assembly Removal

    4036-307/308 Flatbed lamp assembly removal Remove the flatbed cover with glass. See “Flatbed cover with glass removal” on page 4-28. Remove the two screws (A) securing the flatbed optical CCD unit top cover, and remove the cover. Disconnect the lamp cable (B). Remove two screws (C).
  • Page 89 4036-307/308 Lift tabs (D). Raise the lamp assembly to the highest position. Unclip the corner (E) of the cover closest to the control panel first. Remove the other side. 4-33 Repair information...

  • Page 90: Flatbed Lamp Inverter Board Removal

    4036-307/308 Flatbed lamp inverter board removal Remove the flatbed cover with glass. See “Flatbed cover with glass removal” on page 4-28. Remove the two screws (A) securing the flatbed optical CCD unit upper cover, and remove cover. Disconnect the cables (B). Remove the screw (C) holding the lamp inverter board to the flatbed CCD optical unit.

  • Page 91: Bottom Plate Removal

    4036-307/308 Bottom plate removal Remove the document cover assembly. See “Document cover assembly removal” on page 4-14. Place the scanner on its back. Note: Make sure you place the glass on a clean, soft surface to protect it. Remove the sixteen screws (A). Remove the bottom plate.

  • Page 92: Hard Disk Drive, A1 Board, Scanner Control Board, Power Supply Board, And Modem Board Removals

    4036-307/308 Hard disk drive, A1 board, scanner control board, power supply board, and modem board removals Remove the bottom plate. See “Bottom plate removal” on page 4-35. Remove the component you want from within the MFD cage. See the following pages for the removals: •...

  • Page 93: Scanner Control Board Removal

    4036-307/308 Scanner control board removal Disconnect the seven cables (A). Remove the four standoffs (B) securing the connector. 4-37 Repair information...

  • Page 94: Hard Disk Drive Assembly Removal

    4036-307/308 Remove the seven screws (C) securing the board. Note: Run registration if you are installing a new scanner control board. See “Configuration menu (CONFIG MENU)” on page 3-6. Hard disk drive assembly removal Disconnect the two cables (A), and remove the four screws (B). Note: Run registration if you are installing a new hard disk drive.

  • Page 95: Modem Board Removal

    4036-307/308 Modem board removal Disconnect the cable (A), and remove the four screws (B). Power supply board removal Disconnect the three cables (A), and remove the four screws (B). 4-39 Repair information...

  • Page 96: A1 Board Removal

    4036-307/308 A1 board removal Disconnect the eight cables (A), and remove the four screws (B). Note: Load serial number. 4-40 Service Manual...

  • Page 97: Control Cooling Fan Removal

    4036-307/308 Control cooling fan removal Remove the bottom plate. See “Bottom plate removal” on page 4-35. Remove the four screws (A) from the fan you need to remove. Remove the cables from their retainers. Remove either fan from the inside, and disconnect the cable from the A1 board. 4-41 Repair information...

  • Page 98: Document Cover Sensor Removal

    4036-307/308 Document cover sensor removal Remove the flatbed with glass cover. See “Flatbed cover with glass removal” on page 4-28. Lift the document cover sensor board, and remove the cable (A). 4-42 Service Manual...

  • Page 99: Connector Locations

    4036-307/308 5. Connector locations Scanner mechanism overview and locations This section contains an overview of the major components of the scanner hardware. External view Document input tray Automatic document feeder (ADF) Document output tray Paper stop Control panel Power connection ADF/CCD AC Jumper Data cable...

  • Page 100: Internal Components

    4036-307/308 Internal Components Service Manual...

  • Page 101: Connectors

    4036-307/308 Connectors Scanner control board Scanner control board Conn- Signal ector MDC_DET_R PROGRAM_CTRL_R TOP_FB_CN TOP_ADF_CN MDC_RXD_CN MDC_TXD_CN ADF_PAP_PRE S_CN FB_COV_CLOSED_CN MDC_RST_NR FB_LAMP_ON_R FB_POWER_SAVER_R 24 V_LAMP_UI 24 V_LAMP_UI 24 V_LAMP_UI FB_CCD_BW_SEL_R FB_CCD_TRANSFER FB_CCD_PHASE1_R FB_CCD_RESET_R FB_CCD_CLAMP_R FB_AFE_CLK_R FB_AFE_RSMP_R FB_AFE_VSMP_R Connector locations...
  • Page 102 4036-307/308 Scanner control board Conn- Signal ector (cont) FBR_AFE_D7 FBR_AFE_D6 FBR_AFE_D5 FBR_AFE_D4 FBR_AFE_D3 FBR_AFE_D2 FBR_AFE_D1 FBR_AFE_D0 FBR_AFE_SEN FBR_AFE_SCK FBR_AFE_SDI +12 V +5 V +5 V +3.3 V +3.3 V MOD_D0 MOD_D1 MOD_D2 MOD_D3 MOD_D4 MOD_D5 MOD_D6 MOD_D7 MOD_DA0 MOD_DA1 MOD_DA2 MOD_DA3 MOD_DA4 Service Manual...
  • Page 103 4036-307/308 Scanner control board Conn- Signal ector MOD_DA5 (cont) MOD_IRQ MOD_WR MOD_RD MOD_CS MOD_RDY MOD_PRES MOD_RES UI_RESET_NR TX1- TX1+ TX2- TX2+ CLKTX- CLKTX+ RXD232_N TXD232_N TX0- TX0+ 24 V_LAMP_UI 24 V_LAMP_UI ADF_LAMP_ON_R ADF_POWER_SAVE_R 24 V_ADF 24 V_ADF ADF_CCD_BW_SEL_R ADFR_CCD_TRANS ADF_CCD_PHASE1_R Connector locations...
  • Page 104 4036-307/308 Scanner control board Conn- Signal ector ADF_CCD_RESET_R (cont) ADF_CCD_CLAMP_R ADF_AFE_CLK_R ADF_AFE_RSMP_R ADF_AFE_VSMP_R ADFR_AFE_D7 ADFR_AFE_D6 ADFR_AFE_D5 ADFR_AFE_D4 ADFR_AFE_D3 ADFR_AFE_D2 ADFR_AFE_D1 ADFR_AFE_D0 ADFR_AFE_SEN ADFR_AFE_SCK ADFR_AFE_SDI CCD_DET_R +24 V PS_RC RX0_P0 RX0_N0 RX0_P1 RX0_N1 TX0_P0 TX0_N0 TX0_P1 TX0_N1 PS_RC Service Manual...
  • Page 105 4036-307/308 Scanner control board Conn- Signal ector (cont) Connector locations...

  • Page 106: Modem Board

    4036-307/308 Modem board Connector Signal +5 V +3.3 V +3.3 V MOD_D0 MOD_D1 MOD_D2 MOD_D3 MOD_D4 MOD_D5 MOD_D6 MOD_D7 MOD_DA0 MOD_DA1 MOD_DA2 MOD_DA3 MOD_DA4 MOD_DA5 MOD_IRQ MOD_WR MOD_RD MOD_CS MOD_ROY MOD_[RES MOD_RES Service Manual...

  • Page 107: Power Supply Board

    4036-307/308 Power supply board Connector Pin no. Signal LIVE NEUTRAL +24 V +24 V OPEN PS_RC Connector locations...

  • Page 108: A1 Board

    4036-307/308 A1 board A1 Board Conn- Signal ector +24 V dc +24 V_MFB +24 V_MFB +5 V_REG FBDIR FBHMSR1 FBMEN FBMRS FBMS2 FBMS1 FBTQ2 FBTQ1 FBSTEP FAN_FEEDBACK FAN_POWER SB_SNR0 FB_SNR1 FB_SNR 2 +5 V_SENSOR MDC_DET_R PROGRAM_CNTL_R TOP_FB_CN TOP_ADF_CN MDC_RXD_CN MDC_TXD_CN ADF_PAP_PRES_CN FB_CPV_CLOSED_ON MDC_RST_NR...
  • Page 109 4036-307/308 A1 Board Conn- Signal ector LOOP_IN +24 VM +24VM XDATAP0 XDATAP1 XDATAP2 XDATAP3 XDATAP4 XDATAP5 XDATAP6 XDATAP7 /AM_RD1 /AM_RD2 /PAPER_OUT /AM_WRI AMCLK LOOP_OUT FAN_FEEDBACK2 FAN_POWER +5 V_SENSOR FB_COVER_OPEN 5-11 Connector locations...
  • Page 110 4036-307/308 5-12 Service Manual...

  • Page 111: Preventive Maintenance

    Damaged, missing, or altered covers, especially in the area of the top cover and the power supply cover • Possible safety exposure from any non-Lexmark attachments Lubrication specifications Lubricate only when parts are replaced or as needed, not on a scheduled basis. Use of lubricants other than those specified can cause premature failure.
  • Page 112 4036-307/308 Service Manual...

  • Page 113: Index

    4036-307/308 7. Parts catalog How to use this parts catalog The following legend is used in the parts catalog: Asm- Part Units/ Units/mach Description Index number • Asm-index: Identifies the assembly and the item in the diagram. For example, 3-1 indicates Assembly 3 and item number 1 in the table.

  • Page 114: Assembly 1: Adf Assembly

    4036-307/308 Assembly 1: ADF assembly Service Manual...
  • Page 115 4036-307/308 Assembly 1: ADF assembly Asm- Part Units/ Units/ Description Index number mach 1—1 40X2530 Scanner, entire 40X2180 Document cover assembly 40X2538 Pick pad 40X2532 Document input tray 40X2542 Paper length sensor 40X2550 ADF/CCD motor cable (10-pin) 40X2551 ADF/CCD data cable (26-pin) 40X2547 ADF paper feed motor 40X2548...

  • Page 116: Assembly 2: Control Panel

    4036-307/308 Assembly 2: Control panel Service Manual...
  • Page 117 4036-307/308 Assembly 2: Control panel Asm- Part Units/ Units/ Description Index number mach 2—1 40X2593 Bezel 40X2556 Display panel assembly 40X2555 Keypad board 40X2558 FFC cable 40X2557 LCM HV inverter board 40X2554 Control panel cover Parts catalog...

  • Page 118: Assembly 3: Lower Scanner

    4036-307/308 Assembly 3: Lower scanner Service Manual...

  • Page 119: Assembly 3: Lower Scanner

    4036-307/308 Assembly 3: Lower scanner Asm- Part Units/ Units/ Description Index number mach 3—1 40X2559 Flatbed cover with glass 40X2564 Document cover sensor board 40X2562 Carriage transport belt, includes • Carriage transport belt • Clip 40X2193 Flatbed CCD assembly, includes •...

  • Page 120: Assembly 4: Electronic Boards

    4036-307/308 Assembly 4: Electronic boards Service Manual...
  • Page 121 4036-307/308 Assembly 4: Electronic boards Asm- Part Units/ Units/ Description Index number mach 4—1 40X2580 Control cooling fan (1 cooling, 2 clips) 40X2567 Modem board (model 308 only) 40X2568 Power supply board 40X2572 Display cable 40X2195 Hard disk drive assembly 40X2573 Hard drive data cable (80-pin) 40X2581...
  • Page 122 4036-307/308 Assembly 5: Miscellaneous Asm- Part Units/ Units/ Description Index number mach 40X2582 PCI cable 40X2583 PCI cable (20 ft.) 40X2584 Scanner PCI card assembly 40X2585 Mono printer scanner card assembly 40X2596 Mono operator panel cover Screws, parts packet (P/N 40X2589) 40X2199 Scanner registration kit 7-10...
  • Page 123 4036-307/308 Index control panel 4-27 display removal acronyms 2-19 ADF assembly 2-18 overview locations parts catalog parts catalog 4-24 removal ADF CCD optical unit adjustment screws adjustment screws 2-27 default settings ASIC Test description 2-27 attendance message alert diagnostics attendance messages service error codes user attendance messages diagnostics menu...
  • Page 124 4036-307/308 4-35 bottom plate 4-29 carriage transport belt lamp 4-41 control cooling fan 4-24 control panel assembly locations 4-27 control panel display assembly 4-36 A1 board 4-23 control panel keypad board 4-36 hard disk drive 4-14 document cover assembly 4-36 modem board 4-42 document cover sensor...

  • Page 125: Part Number Index

    4036-307/308 Part number index Description Page 40X2180 Document cover assembly - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 40X2183 ADF optical unit assembly - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 40X2184...
  • Page 126 4036-307/308 40X2583 PCI cable (20 ft.) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - 7-10 40X2584 Scanner PCI card assembly - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...

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