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Lexmark 4036-307 Service Manual

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• Table of contents
• Start diagnostics
• Safety and notices
• Trademarks
• Index
™
Lexmark
4600 MFP option
Lexmark and Lexmark with diamond design are
trademarks of Lexmark International, Inc., registered
in the United States and/or other countries.
Edition: April 26, 2007
4036-307
4036-308

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Summary of Contents for Lexmark 4036-307

  • Page 1 4600 MFP option 4036-307 4036-308 • 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 Lexmark, Lexmark with diamond design, and MarkVision are trademarks of Lexmark International, Inc., registered in the United States and/or other countries. PCL® is a registered trademark of the Hewlett-Packard Company.

  • 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 ............2-26 Sample screen one .
  • Page 5 4036-307, -308 ADF outer cover removal ............4-7 ADF upper cover removal .
  • Page 6 4036-307, -308 Assembly 4: Electronic boards ............7-8 Assembly 5: Miscellaneous .

  • 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.

  • Page 11: General Information

    Digital copier and full-function fax machine When the option is connected to a Lexmark printer, it performs convenient digital copying. When connected to a telephone line, the scanner performs a full fax function—to send and to receive faxes.

  • 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 600 x 600 dpi (mono) 600 x 300 dpi (color) Scan Speed 17 ppm at 600 dpi color for single page scanning...

  • Page 13: Tools Required For Service

    4036-307, -308 General specifications • Optical Resolution 600 x 600 dpi (mono) 600 x 300 dpi (color) • 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) •...
  • 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.

  • 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 Rear scan module lamp Rear Mono channel, Rear Color Replace ADF optical unit level too low channels, Rear Red channel, Rear Green channel, and/or Rear Blue channel is detected to have low lamp level.
  • Page 19 4036-307, -308 Error Displayed message Description Action code codes Front calibration strip Front excessive variability for “” on page 4-20. insufficient dark area Mono, Red, Green, or Blue Front magnification Rear excessive variability for “” on page 4-20. exceeds limits...

  • 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.
  • 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.
  • 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...
  • 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.

  • 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...

  • Page 28: Display Panel Remains Blank

    4036-307, -308 Display panel remains blank Step Action and Question Check the display cable. Go to step 2 Done 1. See “Control panel assembly removal” on page 4- to locate the display cable. 2. Disconnect and reconnect the display cable connection (A).

  • Page 29: Image Unclear

    4036-307, -308 Image unclear Step Action and Question Print a test page from the printer. Is the test See printer service Go to step 2 page image unclear? manual Are you placing the original on the flatbed? Go to step 2...

  • Page 30: Strange Sound Generated (Adf)

    4036-307, -308 Strange sound generated (ADF) Step Action and Question Is the paper correctly set in the document feeder? Go to step 2 Properly position paper in document feeder Does the sound come from the pick roller assembly? Replace the pick...

  • Page 31: Failure

    4036-307, -308 843.00 Scanner failure Step Action and Question Check the flatbed motor cable (A). Reseat flatbed Go to step 2 motor cable 1. Remove the flatbed glass. See “Flatbed cover with glass removal” on page 4-28 for more information.

  • Page 32: Front Scan Module Output Level Error

    4036-307, -308 844.00 Front scan module output level error Step Action and questions Check the flatbed lamp. Go to step 3 Go to step 2 Is the lamp on brightly? Is the flatbed lamp on dimly? Replace flatbed inverter Replace flatbed lamp...

  • Page 33: Front Scan Module Cable Failure Or Scc Card Failure Ccd Channel Failure

    4036-307, -308 845.00 Front scan module cable failure or SCC card failure CCD channel failure Step Action and questions Check flatbed CCD cable (A). Reseat flatbed Go to step 2 CCD cable 1. Remove the flatbed glass. See “Flatbed cover with glass removal”...

  • Page 34: Cable/Scc Failure

    4036-307, -308 845.02 Cable/SCC failure Step Action and questions Is the flatbed CCD data cable (A) securely attached? Replace the Reseat flatbed flatbed CCD CCD data cable 1. Remove the flatbed glass. See “Flatbed cover with data cable glass removal” on page 4-28 for more information.

  • Page 35: Front Calibration Strip

    “Flatbed cover with glass removal” on page 4-28. 848.00 Modem/config ID mismatch Step Action and questions Is the model a 4036-307? Replace the A1 board with Go to Step 2 40X2179 (check the back panel) Is modem cable securely connected...

  • Page 36: Control Panel And Menus

    4036-307, -308 Control panel and menus Control panel and buttons Most print settings can be changed from the application in use or the print driver. Settings changed from the application or print driver apply only to the job being sent to the MFP.

  • Page 37: 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:...

  • Page 38: 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 39 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.

  • Page 40: 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 •...

  • Page 41: 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 42: Sample Screen Two

    4036-307, -308 Sample screen two 2-28 Service Manual...

  • Page 43: 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 44 4036-307, -308 Button Button name Function or description Continue Touch Continue after a menu item or value on a screen is selected and more changes need to be made for a job from the original screen. Once Continue is touched, the original screen appears.

  • Page 45: 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 46: 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 47: 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.

  • Page 48: 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 49: 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 50: 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 51: 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 52: 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 he printer service manual.

  • Page 53: Panel Menus

    4036-307, -308 Panel Menus To change the Panel Menus setting: Touch to select Panel Menus from the Configuration Menu. The panel displays the setting's name in the header and [setting's current value] below the header row. Touch to change the setting. The selections are Disable and Enable. The default is Enable.

  • Page 54: 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.

  • Page 55: 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 56: Disk Encryption

    4036-307, -308 Disk Encryption If a hard disk is installed, Disk Encryption selects whether the data on the disk is encrypted or not. The values are Disable and Enable. This setting determines if the printer encrypts the information that it writes to the hard disk. The values are Disable and Enable.

  • Page 57: Power Off

    4036-307, -308 When the first stage of either process completes, the printer displays either of the following graphics depending on the process selected and then begins the second stage of the process: Encrypting Disk DO NOT POWER OFF The entire process is complete when the progress bar appears completely shaded and the percentage indicator shows 100%.

  • Page 58: 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.

  • Page 59: 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 60: 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 61: 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 ADF input tray.
  • Page 62 4036-307, -308 3-16 Service Manual...

  • Page 63: 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 64: Removal Procedures

    4036-307, -308 Removal procedures CAUTION Unplug the equipment power cord 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 printer. Disconnect any connections between the equipment and PCs/peripherals.

  • Page 65: 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).

  • Page 66: 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.
  • Page 67 4036-307, -308 Disconnect the ground cable (B). Remove the screw (C), and remove the ground wire. Repair information...
  • Page 68 4036-307, -308 Disconnect the paper present/paper feed cables (D) from the ADF sensor board. Remove the ADF lower cover. Service Manual...

  • Page 69: 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 70: 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 71 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 72 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 73: 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 four cables (B). Remove the two screws (C). Remove the board.

  • Page 74: 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.

  • Page 75: 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 76: 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.
  • Page 77 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...

  • Page 78: Paper Feed Assembly Removal

    4036-307, -308 Paper feed assembly removal Remove the ADF upper cover. See “ADF upper cover removal” on page 4-8. Remove the 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 79: 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 80: 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 81: 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.

  • Page 82: Paper Present And Paper Feed 1 Sensors Removal

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

  • Page 83: 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 40,000 pages through the ADF, the pick roll pad may be worn and you may experience problems with document feeding.

  • Page 84: 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 85: 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.

  • Page 86: 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.

  • Page 87: Keypad Removal

    4036-307, -308 Remove the screw (B) to disconnect the cable from the touch screen. Disconnect the cable (C) from the keypad board. Keypad removal Remove the control panel keypad board. See “Control panel keypad board removal” on page 4-23. Lift the keypad out.

  • Page 88: 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. Remove the two screws (A) and lift the metal cover. Remove the four screws (B) and disconnect the two cables (C).

  • Page 89: 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 four cables (A). Remove the six screws (B). Turn the control panel assembly over, carefully. The bezel and display are loose.

  • Page 90: 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 91: 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.

  • Page 92: 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.
  • Page 93 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...

  • Page 94: 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).
  • Page 95 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 96: 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 the cover. Disconnect the cables (B).

  • Page 97: 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).

  • Page 98: 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 99: 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 100: 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).

  • Page 101: 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 102: A1 Board Removal

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

  • Page 103: 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.

  • Page 104: 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). C77X printer operator panel cover removal Open the front door.

  • Page 105: C78X Printer Operator Panel Cover Removal

    4036-307, -308 C78X printer operator panel cover removal Push up on the bottom two corners of the panel to remove. Mono printer operator panel cover removal Push up on the bottom two corners of the panel to remove. 4-43 Repair information...
  • Page 106 4036-307, -308 4-44 Service Manual...

  • Page 107: 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...

  • Page 108: Internal Components

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

  • Page 109: 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 110 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...
  • Page 111 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...
  • Page 112 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 113 4036-307, -308 Scanner control board Conn- Signal ector (cont) Connector locations...

  • Page 114: 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 115: 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 116: 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...
  • Page 117 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 118 4036-307, -308 5-12 Service Manual...

  • Page 119: Preventive Maintenance

    4036-307, -308 6. Preventive maintenance This chapter describes procedures for printer preventive maintenance. Follow these recommendations to help prevent problems and maintain optimum performance. Scheduled maintenance Customer replaceable parts Customer replaceable parts Part number Replacement life 4600 Separator roll pad...
  • Page 120 4036-307, -308 Service Manual...

  • Page 121: Parts Catalog

    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 122: Assembly 1: Adf Assembly

    4036-307, -308 Assembly 1: ADF assembly Service Manual...
  • Page 123 4036-307, -308 Assembly 1: ADF assembly Asm- Part Units/ Units/ Description Index number mach 1—1 40X2530 Scanner, entire 40X2180 Document cover assembly 40X4755 Pick pad 40X2532 Document input tray 40X2542 Paper length sensor 40X2550 ADF/CCD motor cable (10-pin) 40X2551 ADF/CCD data cable (26-pin)

  • Page 124: Assembly 2: Control Panel

    4036-307, -308 Assembly 2: Control panel Service Manual...
  • Page 125 4036-307, -308 Assembly 2: Control panel Asm- Part Units/ Units/ Description Index number mach 2—1 40X2593 Bezel 40X2556 Display panel assembly 40X2178 Keypad 40X2555 Keypad board 40X2558 FFC cable 40X2557 LCM HV inverter board 40X2554 Control panel cover Parts catalog...

  • Page 126: Assembly 3: Lower Scanner

    4036-307, -308 Assembly 3: Lower scanner Service Manual...
  • Page 127 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 128 4036-307, -308 Assembly 4: Electronic boards Service Manual...
  • Page 129 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...
  • Page 130 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 40X4298 Mono printer scanner card assembly 40X2596 Mono printer operator panel cover Screws, parts packet (P/N 40X2589)
  • Page 131 4036-307, -308 Index 2-22 overview parts catalog acronyms 4-24 removal ADF assembly locations parts catalog 2-32 default settings ADF CCD optical unit description adjustment screws diagnostics adjustment screws service error codes ASIC Test user attendance messages 2-32 attendance message alert...
  • Page 132 4036-307, -308 4-27 locations control panel display assembly 4-36 4-23 A1 board control panel keypad board 4-36 4-14 hard disk drive document cover assembly 4-36 4-42 modem board document cover sensor 4-36 power supply board document input tray 4-30 scanner...

  • Page 133: Part Number Index

    4036-307, -308 Part number index Description Page 40X2173 C78X printer scanner card assembly - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...
  • Page 134 4036-307, -308 40X2580 Control cooling fan (1 cooling, 2 clips) - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -...

This manual is also suitable for:

4036-308

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