HP Color LaserJet Enterprise MFP M577 — Intermediate transfer belt (ITB) and secondary transfer roller

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Clear paper jams
  • Clear paper jams in Tray 1
  • Clear paper jams in Tray 2
  • Clear paper jams in the optional 550-sheet trays
  • Clear paper jams in the right door and the fuser area
  • Clear paper jams in the output bin
  • Clear paper jams in the document feeder
Control panel walkaround
  • Control-panel view (touchscreen control panel, x model only)
Customer self-repair (CSR) A assemblies
  • Toner cartridges
Customer self-repair (CSR) B assemblies
  • Intermediate transfer belt (ITB) and secondary transfer roller
Customer self-repair (CSR) parts and supplies
  • Staple cartridge (M577)
Guides
  • Control Panel Guide
  • User Guide
Load the paper trays
  • Load Tray 1
  • Load Trays 2, 3, 4, and 5
  1. Turn off the printer, and then disconnect the power cable.

    WARNING!:

    To avoid damage to the printer, turn the printer off, wait 30 seconds, and then remove the power cord before attempting to service the printer.

  2. Open the right door.

    Open the right door

    Open the right door
  3. Push in on the blue lever to release the secondary transfer roller assembly, and then lower the assembly to the service position.

    Lower the secondary transfer roller assembly

    Lower the secondary transfer roller assembly
  4. Slightly lift the left end of the roller shaft to release the transfer roller clip.

    Release the secondary transfer roller clip

    Release the secondary transfer roller clip
  5. Slide the right end roller collar to the left to remove the transfer roller.

    Remove the secondary transfer roller

    Remove the secondary transfer roller
  6. Pull the blue lever to release the ITB drive coupling.

    CAUTION:

    Do not touch the grey-plastic belt. Skin oils and fingerprints on the belt can cause print-quality problems.

    Release the ITB drive coupling

    Release the ITB drive coupling
  7. Release the left-side ITB spring from the tab.

    Release the front-side ITB spring

    Release the front-side ITB spring
  8. Place the left-side ITB spring on the holder to keep it out of the way.

    TIP:

    The holder is colored blue to help locate it.

    Place the spring on the holder

    Place the spring on the holder
  9. Release the right-side ITB spring from the tab.

    Release the rear-side ITB spring

    Release the rear-side ITB spring
  10. Place the right-side ITB spring on the holder to keep it out of the way.

    TIP:

    The holder is colored blue to help locate it.

    Place the spring on the holder

    Place the spring on the holder
  11. Grasp the two blue handles on the ITB.

    CAUTION:

    If the ITB is removed to access other assemblies in the printer, use care. The ITB is a sensitive assembly. Be careful when handling the ITB so that it is not damaged. Always place the ITB in a safe and protected location.

    Grasp the ITB handles

    Grasp the ITB handles
  12. Pull the ITB out of the printer to remove it.

    CAUTION:

    Do not touch the grey-plastic belt. Skin oils and fingerprints on the belt can cause print-quality problems.

    Remove the ITB

    Remove the ITB
  13. Unpack the replacement assembly from the packaging.

    CAUTION:

    Make sure that all of the packing materials and tape is removed from the replacement ITB. The ITB might be damaged if packing materials are in place when the printer power is turned on.

    www8.hp.com/us/en/hp-information/environment/product-recycling.html

    NOTE:

    HP recommends responsible disposal of the defective assemblies.

    Recycle and unpack illustration
  14. Install the right end of the roller assembly in the printer.

    Install the secondary transfer roller right end

    Install the transfer roller
  15. Rotate the left end (the gear end) down to install it.

    IMPORTANT:

    Make sure that both ends of the roller assembly are fully seated in the holders.

    Install the secondary transfer roller right end

    Install the transfer roller
  16. Handle the ITB by the edges. Do not touch the grey-plastic belt. Skin oils and fingerprints on the belt can cause print-quality problems.

    CAUTION:

    Do not touch the grey-plastic belt. Skin oils and fingerprints on the belt can cause print-quality problems.

    Handle the ITB by the edges

    Handle the ITB by the edges
  17. Align the ITB with the slots in the printer, and then carefully push it into the printer.

    NOTE:

    Be careful. Do not dislodge the ITB springs from the holders. The springs can interfere with installing the ITB.

    Align the ITB with the slots in the printer

    Align the ITB with the slots in the printer
  18. Continue to carefully push the ITB into the printer until it the orange handles stop it.

    Orange handles stop

    Orange handles stop
  19. Release one tab.

    Release one tab

    Release one tab
  20. Remove the orange handle. Repeat this step for the remaining orange handle.

    TIP:

    HP recommends recycling the plastic handles.

    Remove the orange handle

    Remove the orange handle
  21. Continue to carefully push the ITB into the printer until it is fully installed.

    Install the ITB

    Install the ITB
  22. Remove the right-side ITB spring from the holder.

    Remove the spring from the holder

    Remove the spring from the holder
  23. Fasten the right-side ITB spring under the tab.

    Fasten the rear-side ITB spring

    Fasten the rear-side ITB spring
  24. Remove the left-side ITB spring from the holder.

    Remove the spring from the holder

    Remove the spring from the holder
  25. Fasten the left-side ITB spring under the tab.

    Fasten the front-side ITB spring

    Fasten the front-side ITB spring
  26. Push in the blue lever to engage the ITB drive coupling.

    IMPORTANT:

    If the ITB drive coupling is not fully engaged, the right door will not properly close.

    Engage the ITB drive coupling

    Engagethe ITB drive coupling
  27. Close the right door.

    TIP:

    The right door should close easily if the secondary transfer roller assembly is correctly installed.

    Close the right door

    Close the right door
  28. Connect the power cable, and then use the on/off button to turn the power on.