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HP LaserJet Enterprise MFP M631, M632, M633 - Removal and replacement: Document feeder rollers
This document provides the procedures to remove and replace the document feeder rollers.
Mean time to repair: 5 minutes
Service level: Basic
  note:
When applicable, special installation instructions are provided for an assembly at the end of the removal procedure. Always completely read the removal instructions and follow all special installation instructions.
Before performing service
  • Disconnect the power cable.
      warning:
    To avoid damage to the printer, turn the printer off, wait 30 seconds, and then remove the power cable before attempting to service the printer.
Use the table below to identify the correct part number for your printer. To order the part, go to www.hp.com/buy/parts
Document feeder rollers replacement kit part number
5851-7202
Document feeder rollers replacement kit
Required tools
  • No special tools are needed to remove or install this assembly.
After performing service
Turn the printer power on
  • Connect the power cable.
  • Use the power switch to turn the power on.
Post service test
No post service test is available for this assembly.
  1. Remove the document feeder rollers.
    1. Open the document feeder cover.
      Figure : Open the document feeder cover
    2. Rotate the blue locking lever down.
      Figure : Rotate the blue locking lever down
    3. Slide the locking lever toward the front of the printer, in the direction indicated by the arrow.
      Figure : Slide the locking lever toward the front
    4. Grasp both sides of the document feeder pick roller (callout 1), and then remove the roller assembly in the direction indicated by the arrow (callout 2).
      Figure : Remove the pick roller
    5. Open the document feeder separation roller cover in the direction indicated by the arrow.
      Figure : Open the separation roller cover
    6. Lift the document feeder separation roller (callout 1), and then remove the roller assembly in the direction indicated by the arrow (callout 2).
      Figure : Remove the separation roller
  2. Unpack the replacement assembly.
    1. Dispose of the defective part.
        note:
      HP recommends responsible disposal of the defective part.
    2. Unpack the replacement part from the packaging.
        caution:
      Some parts are sensitive to electrostatic discharge (ESD). Always perform service work at an ESD-protected workstation or mat. If an ESD workstation or mat is not available, touch the sheet-metal chassis to provide a static ground before touching an ESD-sensitive assembly. Protect the ESD-sensitive assemblies by placing them in ESD pouches when they are out of the printer.
      If the replacement part is a roller or pad, avoid touching the spongy part of it. Skin oils on the roller or pad can cause paper pickup and/or print-quality problems. HP recommends using disposable gloves when handling rollers or pads or washing your hands before touching rollers or pads.
        note:
      Make sure that all of the shipping materials (for example shipping tape) are removed from the replacement part prior to installation.
    3. To install an assembly, reverse the removal steps.
        note:
      When applicable, special installation instructions are provided for an assembly at the end of the removal procedure. Always completely read the removal instructions and follow all special installation instructions.
  3. Install the document feeder rollers.
    1. Insert the left end of the replacement separation roller into the document feeder location (callout 1), and then press the roller assembly down as indicated by the arrow (callout 2).
      Figure : Install the separation roller
    2. Close the document feeder separation roller cover in the direction indicated by the arrow.
      Figure : Close the separation roller cover
    3. Insert the left end of the replacement pick roller assembly into the document feeder location as indicated.
      Figure : Install the pick roller
    4. Slide the locking lever toward the back of the printer to secure the document feeder pick roller.
      Figure : Slide the locking lever toward the back
    5. Rotate the pick roller assembly up into the holder (callout 1), and then slide the blue locking lever toward the back of the printer (callout 2).
      Figure : Rotate the pick roller up and slide the blue locking lever towards the back
    6. Rotate the blue locking lever up.
      Figure : Rotate the blue locking lever up
    7. Close the document feeder cover.
      Figure : Close the document feeder cover

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