4-11
4.2.2.6 Image unclear
Cause Relevant Unit Check Method Maintenance Method
Lamp too dark Lamp Visual check Replace with a new
lamp.
Dirt on
calibration
reference plate
Calibration
reference plate
Visual check Clean the glass with
isopropyl alcohol.
Dirt on the
mirrors
Mirrors Visual check Clean the mirrors with
a blower
Dirt on the lens Lens Visual check Clean the lens with a
blower
Table 4.8
4.2.2.7 Frequent paper jam
Cause Relevant
Unit
Check
Method
Maintenance Method
Paper setting
failure
Operation
error
Is the paper
correctly set in
the paper
chute?
Teach users to properly
position the paper.
Paper failure operation
error
Is the
specified
paper used?
None
Pad assembly
failure
Pad assembly Check the pad
assembly if it
has been worn
out.
Replace the pad assembly/
touch spring unit.
Wheel jam
sensor
function failure
Function fail The paper
can’t be fed
into scanner,
but LCD
shows “Error
code 2013
ADF paper
jam”.
Replace the wheel jam
sensor assembly if
necessary.
Table 4.9
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