DocuMate 520 Scanner User’s Guide
127
Maintenance
Replacing the Roller Assembly
After extended use, the roller may wear out and may need to be
replaced. It is a user-replaceable part and can be ordered. See the
section, “Xerox DocuMate 520 Parts List” on page 136 for the part
number.
Frequent paper jams are a symptom of a worn roller assembly. A
worn roller can cause documents to feed in skewed at an angle, or
multiple pages to feed at the same time. In both cases, paper jams
may occur. A worn roller should be replaced to avoid damage to
the scanner’s internal parts. However, before replacing the roller
you should clean it first as excessive dust on the roller will make it
appear worn and smooth to the touch. You cannot properly
diagnose a worn roller until you have cleaned it.
To replace the roller assembly:
1. Open the ADF cover.
2. The roller is located in the ADF cover.
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