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16 April '88
JITTER
- Possible Causes -
in
drive
+ vibration
+ Scanner not moving smoothly
- Action -
Does jitter appear on the leading edge of copies?
Y
N
I
I
Does the interval of jitter change when making reduced copies?
Y
N
I
H
Check the main drive belt. Replace the tensioner spring if it is
stretched.
Clean the scanner guide rods; then, apply a small amount of Launa oil to the
lubricant pad (if dry).
Is the scanner wire tension correct?
I
Y
N
I
Rehook the tension spring or replace it if stretched.
Check all mechanical parts for incorrect operation.
m e c h a n i s m
11-4
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