Avision FB6280E (BT-0911S) - Manual (Page 104)

9.4.3 Replacing the ADF Roller
After scanning approximately 200,000 pages through the ADF,
the ADF roller may be worn out and you may experience
problems with document feeding. In this case, you may need
to replace a new ADF roller. For ordering the ADF roller, please
consult your nearest dealer and follow the procedure below to
replace it.
Disassembling Procedure
1. Pull the ADF Release Button to open the ADF front cover
to the left.
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