Xerox WorkCentre Pro 657 User Manual page 5

Maintaining the Machine
14-42
To clean Contacts
6. Use a cotton swab to clean the silver contacts in the machine.
Contacts are located inside the chassis in the front, on the right,
and in the rear. The following figure shows the locations of the
contacts.
Front
Right Side
Document WorkCentre Pro 635, 645, 657
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