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3LM
Problem
(4)
A paper jam in the
paper feed section is
indicated during
copying (multiple
sheets in cassette 3).
Jam code 24
(5)
A paper jam in the
paper feed section is
indicated during
copying (multiple
sheets in cassette 4).
Jam code 25
1-4-4
Causes/check procedures
Broken feed switch 3 actua-
tor.
Defective feed switch 3.
Defective feed pulleys or
feed rollers.
Defective PF paper feed
clutch 1.
Electrical problem with PF
paper feed clutch 1.
Broken PF feed switch
actuator.
Defective paper feeder feed
switch.
Defective feed pulleys or
feed rollers.
Defective PF paper feed
clutch 2.
Electrical problem with PF
paper feed clutch 2.
Corrective measures
Check visually and replace switch.
Run maintenance item U031 and turn feed switch 3 on and off
manually. Replace the switch if indication of the corresponding
switch on the touch panel is not displayed in reverse.
Check visually and replace.
Run maintenance item U247 and select PF paper feed clutch 1 on
the touch panel to be turned on and off. Check the status and rem-
edy if necessary.
Check (see page 1-4-7).
Check visually and replace switch.
With 5 V DC present at YC3-7 on the PF main PWB, check if YC3-
5 on the PF main PWB remains low or high when the PF feed
switch is turned on and off. If it does, replace the PF feed switch.
Check visually and replace.
Run maintenance item U247 and select PF paper feed clutch 2 on
the touch panel to be turned on and off. Check the status and rem-
edy if necessary.
Check (see page 1-4-7).
Service Manual
Y112020-4
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