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Introduzione

This Guide will walk you through disassembling the printer down through the upper cover, which is necessary to access many components.

  1. Before beginning disassembly,  turn off the printer and unplug the power cord. Open the front access door and remove any cards or cables present. Close the access door. Remove the paper tray.
    • Before beginning disassembly, turn off the printer and unplug the power cord.

    • Open the front access door and remove any cards or cables present. Close the access door.

    • Remove the paper tray.

    • Remove the ink cartridges.

    • You may wish to install the Protective Part to prevent the ink tubes from drying while the cartridges are removed.

    • Open the printer cover using the finger holds on the sides.

    • Unplug and remove any cords present under the cover.

    • Remove the LAN port and EXT port caps (if present).

  2. While holding the cover with one hand, pull the hook on the back of the support damper, then remove the damper from the cover. Remove the damper from the support. Turn the support upright and pull it straight out of the printer.
    • While holding the cover with one hand, pull the hook on the back of the support damper, then remove the damper from the cover.

    • Remove the damper from the support.

    • Turn the support upright and pull it straight out of the printer.

  3. Use your finger or a spudger to unhook the two tabs on the right side of the harness cover by levering it up. Remove the harness cover. There are two tabs on the left side that you have to wiggle free, and one on the front.
    • Use your finger or a spudger to unhook the two tabs on the right side of the harness cover by levering it up.

    • Remove the harness cover. There are two tabs on the left side that you have to wiggle free, and one on the front.

  4. Remove the 6 mm Phillips #2 screw from the grounding wire of the ADF motor harness.
    • Remove the 6 mm Phillips #2 screw from the grounding wire of the ADF motor harness.

    • Torque: 0.40±0.10 N•m

    • The Brother service manual lists torques for all screws, but proper torque should not be necessary.

  5. In the proceeding steps, you will disconnect the following cables:
    • In the proceeding steps, you will disconnect the following cables:

    • CIS flat cable

    • Scanner motor harness

    • ADF motor harness

    • Document detection/document scanning position sensor harness

  6. Pull the CIS flat cable out of its socket.
    • Pull the CIS flat cable out of its socket.

    • Pull all flat cables directly up out of their sockets, pulling on the cables themselves at the blue tabs.

  7. Pull the scanner motor harness out of its socket.
    • Pull the scanner motor harness out of its socket.

  8. Pull the ADF motor harness out of its socket.
    • Pull the ADF motor harness out of its socket.

  9. Pull the document detection/document scanning position sensor harness out of its sockets.
    • Pull the document detection/document scanning position sensor harness out of its sockets.

  10. Insert a spudger between the scanner harness holder and frame to release the tab. There is a second tab on the opposite side. Lift the scanner harness holder out of its frame.
    • Insert a spudger between the scanner harness holder and frame to release the tab. There is a second tab on the opposite side.

    • Lift the scanner harness holder out of its frame.

    • Reassembly Note: Before reattaching the harness holder, it is advisable to reattach the cover support (Step 2) to minimize tension on the wiring harnesses.

  11. Push on the tab to secure the scanner harness holder to the scanner cover. De-route the document detection/document scanning position sensor harness and the ADF motor harness from the scanner harness holder.
    • Push on the tab to secure the scanner harness holder to the scanner cover.

    • De-route the document detection/document scanning position sensor harness and the ADF motor harness from the scanner harness holder.

    • During reassembly, put a 20mm-thick pad (book, stack of paper) on the scanner glass, close the scanner cover, then route the document detection/document scanning position sensor harness and the ADF motor harness through the harness holder. This will ensure the proper harness tension to allow scanning of thick books.

  12. Using both hands, pull the scanner cover to the rear while holding it vertically, then lift it off of the printer.
    • Using both hands, pull the scanner cover to the rear while holding it vertically, then lift it off of the printer.

  13. Remove the six 12 mm Phillips #2 screws securing the upper cover to the printer. Torque: 0.70±0.10 N•m
    • Remove the six 12 mm Phillips #2 screws securing the upper cover to the printer.

    • Torque: 0.70±0.10 N•m

    • Pull off the upper cover.

    • When reinstalling, ensure that the control panel wiring holder slides into its slot on the upper cover.

  14. Remove the ink absorber full sensor from its socket. De-route the wiring from its harness.
    • Remove the ink absorber full sensor from its socket.

    • De-route the wiring from its harness.

  15. Unclip the ink absorber from the harness by pulling it up and to the right.
    • Unclip the ink absorber from the harness by pulling it up and to the right.

Conclusione

To reassemble your device, follow these instructions in reverse order.

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Membro da: 24/12/2010

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