2-78 Service Manual
7510
290.13 Sensor (ADF registration) lag jam
Step Check Yes No
1 Check the original document condition.
Is the original document free of paper clips and staples as
well as damage such as creases, tears, holes or excessive
wear?
Go to step 2. Remove damaged
original document
and replace with a
new undamaged
original document.
Perform a ADF
test. If the problem
remains, go to step
2.
2
Remove the registration pad cover and clean the black
registration pad shown in the diagram below.
1. Raise the ADF to the full upright position.
2. Remove the two screws securing the registration pad
cover.
3. Remove the registration pad cover.
4. Clean or replace the black registration pad of excess
paper dust.
5. Reinstall the registration pad cover.
Place several undamaged documents in the ADF, and
perform an ADF test.
Does the problem remain?
Go to step 3. Problem solved.
3
Check the ADF rolls for wear.
Is the ADF feed/pick roll assembly or the ADF separation roll
guide assembly free of excess wear?
Go to step 4. Clean or replace
the ADF feed/pick
roll assembly or
the ADF
separation roll
guide assembly.
Go to “ADF feed/
pick roll
assembly
removal” on
page 4-149 or
“ADF separation
roll guide
assembly” on
page 4-162.
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