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HP LaserJet Enterprise M607, M608, M609 and HP LaserJet Enterprise MFP M631, M632, M633 - Removal and replacement: Trays 2-x rollers
This document provides the procedures to remove and replace the tray 2 separation and pickup rollers.
Mean time to repair: 15 minutes
Service level: Intermediate
  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
Tray 2 separation and pickup rollers part number
J8J70-67904
Tray 2-x rollers kit (separation and pickup rollers)
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 tray 2 separation and pickup rollers.
    1. Open the paper tray for which the rollers will be replaced.
        caution:
      Do not extend more than one paper tray at a time. Do not use the paper tray as a step. Keep hands out of the paper trays when closing. All trays must be closed when moving the printer.
      Figure : Open the paper tray to locate the rollers
    2. Tray 2 rollers only: On the right side of the printer, open the right door.
      Figure : Open the door
    3. Tray 2 rollers only: Raise the transfer assembly.
      Figure : Raise the transfer assembly
    4. Tray 2 rollers only: Do the following:
      • Lower the access cover.
      • Go to step i.
      Figure : Lower the access cover
    5. Tray 3 rollers only: On the right side of the printer, open the right lower cover.
      Figure : Open the right lower cover
    6. Tray 3 rollers only: Do the following:
      • Lower the access cover.
      • Go to step i.
      Figure : Lower the access cover
    7. M631z/M632fht/Flow M632z/FlowM633z printers only: Open the right door of the paper feeder.
      Figure : Open the paper feeder right door
    8. M631z/M632fht/Flow M632z/FlowM633z printers only: Do the following:
      • Release the green tab, and then lower the feed assembly cover.
      • Go to step i.
      Figure : Release the tab and lower the feed assembly cover
    9. Remove the orange separation roller tool from the packaging.
      Figure : Remove the orange separation roller tool
    10. Locate the separation roller.
      Figure : Locate the separation roller
    11. Install the orange tool in the separation roller until it snaps into place.
      Figure : Install the orange tool in the separation roller
    12. Slide the roller to the left.
      Figure : Slide the roller to the left
    13. Tilt the end of the tool down (callout 1), and then pull straight out of the printer (callout 2) to remove the separation roller.
      Figure : Tilt the tool down, and then remove the separation roller
    14. Remove the orange tool from the separation roller.
        note:
      The tool will be used to install the new separation roller.
      Figure : Remove the orange tool from the separation roller
    15. Locate the pickup and feed rollers.
      Figure : Locate the pickup and feed rollers
    16. Locate and pull down the blue tab to unlock the pickup and feed rollers.
      Figure : Pull down the blue tab to unlock the pickup and feed rollers
    17. Use the blue tab as a handle to slide the rollers to the left to compress the left blue post until it clicks into place.
      Figure : Slide the blue tab left, compressing the left blue post until it clicks
    18. Slightly move the rollers to the right to free them from the blue post. Make sure that the roller is clear of the black post on the right.
      Figure : Slightly move the rollers to the right to free them from the blue post
    19. Slightly lift up the front of the roller assembly (callout 1), and then pull the assembly away from the printer (callout 2) to remove it.
      Figure : Lift up the front of the roller assembly and pull away to remove it
    20. If the left post does not stay in the locked position, press the end of the post left until it clicks into place.
      Figure : Securely lock the left post into position by pressing the end left until it clicks
  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 tray 2 separation and pickup rollers.
    1. Align the arrow on the roller assembly with the arrow in the printer, and then slide the rollers into the printer.
      Figure : Align the roller assembly and slide the rollers into the printer
    2. Slide the rollers to the right onto the black shaft.
      Figure : Slide the rollers to the right onto the black shaft
    3. Confirm correct installation: The white hook on the top of the roller assembly (callout 1) will hook onto a sheet metal plate (callout 2) when installed correctly.
      Figure : Correctly install the white hook onto a sheet metal plate
    4. Locate the lever on the blue shaft on the left, and then release the lever by pressing upward.
        note:
      The blue shaft should spring to the right to click into position to hold the rollers in place.
      Figure : Release the lever by pressing upward
    5. Remove the orange tool from the roller assembly by pulling it away from the printer.
      Figure : Remove the orange tool
    6. IMPORTANT: Pivot the tab up and snap it into place against the rollers to correctly lock the rollers in place.
        note:
      The blue arrow on the printer is hidden when the cover is correctly snapped into place.
      Figure : Pivot the tab up and snap it to lock the rollers correctly in place
    7. Incorrect installation: If the rollers are hanging, or at an angle, they are not installed correctly.
      Figure : Rollers hanging at an angle are not installed correctly
    8. Correct installation: Make sure that the hook on the top of the rollers is attached to the metal chassis plate inside the printer. If the rollers are not installed correctly, go back to step 2 and reinstall the assembly.
      Figure : Correctly attach the rollers top hook to the metal chassis plate inside the printer
    9. Install the orange separation roller tool onto the replacement separation roller.
        note:
      The tool will snap into place when it is fully installed.
      Figure : Install the replacement separation roller onto the orange tool
    10. Tilt the orange tool slightly away from the printer, and then install the roller into the printer so that the opening in the roller (callout 1) fits over the white tab (callout 2) on the printer rail.
      Figure : Slightly tilt the roller tool
    11. When installed correctly, the embossed arrow on the roller case aligns with the white tab on the rail.
      Figure : Install the roller over the white tab with the arrow aligned
    12. Do the following:
      • Align the center of the roller with the end of the metal shaft.
      • Slide the roller to the right onto the metal shaft until it snaps into place.
      Figure : Align the roller and slide it onto the metal shaft until it snaps into place
    13. Remove the orange tool by pulling it away from the printer.
      Figure : Remove the orange tool
    14. M631z/M632fht/Flow M632z/FlowM633z printers only: Raise the feed assembly cover and securely lock the green tab.
      Figure : Raise the feed assembly cover
    15. M631z/M632fht/Flow M632z/FlowM633z printers only: Close the right door of the paper feeder.
      Figure : Close the right door of the paper feeder.
    16. Tray 3 rollers only: Raise the access cover.
      Figure : Raise the access cover
    17. Tray 3 rollers only: On the right side of the printer, close the right lower cover.
      Figure : Close the right lower cover
    18. Tray 2 rollers only: Close the access cover.
      Figure : Close the access cover
    19. Tray 2 rollers only: On the right side of the printer, close the right door.
      Figure : Close the door
    20. Close the paper tray for which the rollers were replaced.
      Figure : Close the paper tray

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