Xerox DocuMate 252 Service Manual page 33

4.2.2.6 Image unclear
Cause
Lamp too dark
Dirt on calibration
reference plate
Dirt on calibration
reference plate
Dirt on the mirrors
Dirt on the lens
4.2.2.7 Frequent paper jam
Cause
Paper setting
failure
Paper failure
Pad assembly
failure
Relevant Unit Check Method
Lamp Visual check
Calibration Visual check
reference plate
Calibration Visual check
reference plate
Mirrors Visual check
Lens Visual check
Table 4.8
Relevant Check
Unit Method
Operation Is the paper
error correctly set in
the paper
chute?
operation Is the
error specified
paper used?
Pad assembly Check the pad
assembly for
wear and tear
Table 4.9
4-13
Service Manual
Maintenance
Method
Replace with a
new lamp.
Clean the glass
with isopropyl
alcohol.
Clean the
calibration
reference plate
with isopropyl
alcohol.
Clean the
mirrors with
isopropyl
alcohol.
Clean the lens
with isopropyl
alcohol.
Maintenance Remark
Method
Educate users None
to properly
position the
paper.
None None
Replace the None
pad assembly/
touch spring
unit.
Remar
k
None
None
None
None
None