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HP Color LaserJet M552, M553, M554, M555, MFP M577, MFP M578, Managed E55040, and Managed MFP E57540 - Removal and replacement: Tray 2-X paper pickup roller and separation roller assemblies

Learn about removing and replacing the Tray 2-X rollers.

Note:

The procedure in this section shows Tray 2 in the figures. However, this procedure is also correct for Tray 3, Tray 4, or Tray 5.

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.

If the part is damaged and cannot be cleaned, 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
RM2-6577-000CN	Kit-Tray 2-X roller

Required tools

No special tools are required 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

Print any pages necessary to make sure the printer is functioning correctly.

Remove the Tray 2-X paper pickup roller assembly

Learn about removing the Tray 2-X rollers.

Note:

A SFP printer is shown in this section. However, the procedure is correct for all printer models.

The figures in this section show Tray 2. However, this procedure is also correct for Tray 3, Tray 4, or Tray 5. Always carefully read the instructions that accompany the figures.

Pull the tray out until it stops.

Pull the tray out
Lift the front of the tray, and then pull it out of the printer to remove it.

Remove the tray
Open the right door.

Open the right door
Carefully raise the transfer roller assembly up and into the printer.

Raise the transfer roller assembly
Release the green handle (callout 1), and then lower the paper guide (callout 2).

Lower the paper guide
Locate the tray pickup roller assembly.

Locate the tray pickup roller
Trays 3, 4, or 5 only: Release the latch (callout 1), and then open the right door (callout 2).

Open the Tray 3, 4, or 5 right door
Trays 3, 4, or 5 only: Release the green handle (callout 1), and then lower the paper guide (callout 2).

Lower the Tray 3, 4, or 5 paper guide
Trays 3, 4, or 5 only: Locate the tray pickup roller assembly.

Locate the Tray 3, 4, or 5 pickup roller assembly
Slide the assembly to the left to compress the spring loaded shaft (callout 1), and then rotate the right end of the assembly down and away from the printer (callout 2).

Tip:
It might be easier to access the roller through the tray cavity, while viewing it through the right door opening.

Slide the assembly to the left
Remove the roller assembly.

Remove the roller assembly

Remove the Tray 2-X separation roller

Learn about removing the Tray 2-X separation roller.

Locate the tray separation roller.

Locate the roller assembly
Push up on the blue label to release the roller assembly.

Push up on the blue label
Slide the roller assembly straight up to remove it.

Remove the roller assembly

Unpack the replacement assembly

Follow these steps to unpack the replacement assembly.

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
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.
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 Tray 2-X separation roller

Learn about installing the Tray 2-X separation roller.

Slide the roller assembly straight into the tray to install it.

Install the roller assembly
Make sure that the roller assembly is fully seated.

Fully seat the roller assembly
Verify that the roller assembly is correctly installed—it should be firmly attached to the tray.

Check the installation

Install the Tray 2-X paper pickup roller assembly

Learn about installing the Tray 2-X rollers.

Note:

A SFP printer is shown in this section. However, the procedure is correct for all printer models.

The figures in this section show Tray 2. However, this procedure is also correct for Tray 3, Tray 4, or Tray 5. Always carefully read the instructions that accompany the figures.

Before proceeding, take note of the mounting tab (callout 1) on the replacement roller assembly.

Important:
When correctly installed, a black-plastic protrusion in the printer fits into this tab to hold the roller in the upright position.

Note the mounting tab
Position the roller assembly in the printer with the spring loaded shaft compressed (callout 1), and then rotate the right end of the assembly up and into the printer (callout 2).

Tip:
It might be easier to access the roller through the tray cavity, while viewing it through the right door opening.

Position the roller assembly in the printer
Carefully release the spring loaded shaft (callout 1) with the roller in place. The collar (callout 2) on the assembly fits over the bushing (callout 3) in the printer.

Release the spring loaded shaft
Make sure that the roller assembly is correctly installed. It must not hang down into the tray cavity. If the roller hangs down into the tray cavity, remove it, and then reinstall it.

CAUTION:
If the roller assembly is not correctly installed, it will be damaged when the tray is installed

Verify the roller installation
Trays 3, 4, or 5 only: Raise the paper guide.

Raise the Tray 3, 4, or 5 paper guide
Trays 3, 4, or 5 only: Close the right door.

Close the Tray 3, 4, or 5 right door
Close the right door.

Close the right door
With the front of the tray slightly lifted, align the sides of the tray with the rails in the printer, and then carefully slide the tray into the printer.

Tip:
As the tray slides into the printer, lower the front of it.

Install the tray
Close the tray.

Close the tray