Ricoh FT3320 Service Training Manual page 219

1-14 JITTER
- Possible Causes -
Vibration in the drive mechanism
Scanner not moving smoothly
Reverse clutch damper damaged
- Action -
Does jitter appear around 40 mm from the trailing edge?
(Around 20 mm from the trailing edge on
N Y
Replace the reverse clutch damper.
Does jitter appear on the leading edge of copies?
N Y
I
Clean the scanner guide rod: then, apply a small amount of Launa oil
to the lubricant pad (if dry).
Is the scanner wire tension correct?
N
Y
I
Replace the tension spring together with the scanner drive wire.
Check all mechanical parts for incorrect operation.
copying.)
81/2' x 11"
8-21