2WA/2NJ/2RK
7-82
(1-7) Paper jam caused by the conveying rollers or the paper feed pulleys
Step Check description Assumed cause Measures Reference
1 Cleaning the roller The roller is dirty. Check if the conveying rollers
or the pulleys have no paper
dust, toner, foreign objects,
diameter change or frictional
wear and clean their surface.
If they have a diameter
change or frictional wear,
replace the parts.
2 Checking the clutch The clutch does not oper-
ate properly.
After checking if the relative
motors operate properly by
executing U030 and U240,
check the clutch operation at
U032. If the clutch does not
operate properly, go to the
next step. (If the motor opera-
tion is faulty, perform the
proper measures depending
on the jam code.)
U030/
U240/
U032 Exe-
cution
3 Checking the clutch The clutch is not properly
attached, is not properly
connected, or the foreign
objects adhere on the
clutch.
Check if the connector is
securely connected to the
clutch, the clutch is properly
attached, and there are no
foreign objects on the clutch.
Then, perform the proper
measures if necessary.
4 Replacing the clutch The clutch is faulty. If the clutch does not operate
properly after reattaching and
reconnecting, or if the clutch
is rusted, replace it. (Use the
individual clutch or the unit
containing the clutch.)
5 Checking the bushing The bushing is dirty. Clean the rollersshaftorth-
ebushingwhentheloadisap-
pliedtotherotationoftheconvey
ingrollersduetodirtonthem.'
6 Checking the spring The spring comes off. Check if the spring came off,
or if it adequately presses the
roller or the pulley, and reat-
tach it if necessary.
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