Xerox WorkCentre Pro 657, WorkCentre Pro 635, WorkCentre Pro 645 User Manual

Maintaining the Machine

Cleaning the Components as Needed

Dirt or dust g ather in the mac hine and can ca use t he ma chi ne to pr int
incorrectly. The following lists the parts to clean and how the dirt can
affect the print quality.

• Contacts— These groups of contacts are located under the

• Metering Blade— The Metering Bade is located above the black

• Document Scanner— The Document Scanner is located on the

• Scanner Rollers and Retard Pad— The Scanner Rollers and

Developer Assembly. Dirt or dust on the contacts causes the
printer to blur characters.

toner roller on the Developer Assembly. Dirt between the magnet
roller and the metering blade causes the machine to print vertical
lines.

underside of the Control Panel.

the Retard Pad are parts of the automatic document feeder inside
the scanner.

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Maintaining the Machine

Use the following procedure to clean the additional components:

1. Grasp the Top Cover Open Lever and open the Top Cover.

WARNING

Do not touch the fuser housing inside the machine. The fuser

housing is extremely hot while the machine is operating.

Top Cover

Top Cover
Open Lever

023

Document WorkCentre Pro 635, 645, 657 14-39

Maintaining the Machine

2. Remove the Developer Assembly from the machine. The

CAUTION

Always hold the Developer Assembly by the green
handles. Do not touch the green drum area or the
black roller. Do not leave the Drum Unit out of the
machine for an extended period.
Touching the drum or exposing the Drum Unit to l igh t
could lower the print quality.

following figure shows how to remove the Developer Assembly.

Developer Assembly

065

3. Place the Developer Assembly on a level surface.

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