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HP Color LaserJet M552, M553, M554, M555, MFP M577, MFP M578, Managed E55040, and Managed MFP E57540 - Removal and replacement: Intermediate transfer belt (ITB)

This document provides instructions about removing and replacing the intermediate transfer belt (ITB) assembly.

Mean time to repair: 5 minutes

Service level: Basic

Before performing service

Turn the printer power off

  • 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.

To order a replacement assembly, use the table below to identify the correct part number for your printer. To order the part, go to www.hp.com/buy/parts

Part information

Part number

Part description

RM2-6576-000CN

Intermediate transfer belt assembly

B5L24-69001

Intermediate transfer belt assembly (refurbished)

Required tools

No special tools are required to install this assembly.

After performing service

Make sure that the right door is fully closed after replacing the ITB.

Turn the printer power on

  • Connect the power cable.

  • Use the power switch to turn the power on.

Post service test

Print a configuration page to make sure that the printer is functioning correctly.

Remove the ITB

Follow these steps to remove the ITB.

  1. Open the right door.

    Open the right door

    Open the right door
  2. Pull the blue lever to release the ITB drive coupling.

    Release the ITB drive coupling

    Release the ITB drive coupling
  3. Push in on the blue arm to release the secondary transfer roller assembly, and then completely lower the assembly.

    Note:

    Press the blue arm on the secondary transfer roller assembly a second time to release the roller assembly when it stops at the halfway open position.

    Lower the secondary transfer roller assembly

    Lower the secondary transfer roller assembly
  4. Release the left-side ITB spring (callout 1) from the tab (callout  2).

    Note:

    For late production M552/M553 printers and all M554/m555 printers, this ITB spring is not installed.

    Release the front-side ITB spring

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

    Note:

    For late production M552/M553 printers and all M554/m555 printers, this ITB spring is not installed.

    Tip:

    The holder is colored blue to help locate it.

    Place the spring on the holder

    Place the spring on the holder
  6. Release the right-side ITB spring (callout 1) from the tab (callout  2).

    Release the rear-side ITB spring

    Release the rear-side ITB spring
  7. 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
  8. 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
  9. 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

Unpack the replacement assembly

Follow these steps to unpack the replacement assembly.

  1. Dispose of the defective part.

    Note:

    HP recommends responsible disposal of the defective part.

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

  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.

    Important:

    Make sure that all of the shipping materials (for example shipping tape) are removed from the replacement part prior to installation.

    Note:

    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.

  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.

Install the ITB

Follow these steps to install the ITB.

  1. Hold the ITB by the orange handles.

    Handle the ITB by the edges

    Handle the ITB by the edges
  2. 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 retainer springs from the holders on the chassis. The springs can interfere with installing the ITB.

    Align the ITB with the slots in the product

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

    Orange handles stop

    Orange handles stop
  4. Release one tab (callout 1).

    Release one tab

    Release one tab
  5. 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
  6. Continue to carefully push the ITB into the printer until it is fully installed.

    Install the ITB

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

    Remove the spring from the holder

    Remove the spring from the holder
  8. Fasten the right-side ITB spring (callout 1) under the tab (callout  2).

    Fasten the rear-side ITB spring

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

    Note:

    For late production M552/M553 printers and all M554/m555 printers, this ITB spring is not installed.

    Remove the spring from the holder

    Remove the spring from the holder
  10. Fasten the left-side ITB spring (callout 1) under the tab (callout  2).

    Note:

    For late production M552/M553 printers and all M554/m555 printers, this ITB spring is not installed.

    Fasten the front-side ITB spring

    Fasten the front-side ITB spring
  11. 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
  12. Close the right door.

    Tip:

    The right door should close easily if the ITB assembly is correctly installed.

    Close the right door

    Close the right door

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