2KR/2KS
1-4-16
(13)
A paper jam in the
paper feed section is
indicated during
copying (multiple
sheets in paper feed
section).
Jam code 21
Broken feed switch 1/2/3 or
MP feed switch actuator.
Check visually and replace switch.
Defective switch. Run maintenance item U031 and turn switch on and off manually.
Replace the switch if indication of the corresponding switch on the
touch panel is not displayed in reverse.
Feed switch 1/2/3, MP feed switch
Broken PF feed switch
actuator.
Check visually and replace switch.
Defective PF feed 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 if the clutch malfunc-
tions.
Run maintenance item U032 and select following clutch on the
touch panel to be turned on and off. Check the status and remedy
if necessary.
Paper feed clutch 1/2, MP paper conveying clutch
Electrical problem with
clutch.
Check (see page 1-4-57).
Check if PF paper feed
clutch 1/2 malfunctions.
Run maintenance item U247 and select PF paper feed clutch 1/2
on the touch panel to be turned on and off. Check the status and
remedy if necessary.
Electrical problem with PF
paper feed clutch 1/2.
Check (see service manual of 3000-sheet paper feeder).
Defective feed pulleys or
feed rollers.
Check visually and replace.
(14)
A paper jam in the
paper feed section is
indicated during
copying (multiple
sheets in vertical
conveying section).
Jam code 22
Broken feed switch 1/2/3
actuator.
Check visually and replace switch.
Defective switch. Run maintenance item U031 and turn switch on and off manually.
Replace the switch if indication of the corresponding switch on the
touch panel is not displayed in reverse.
Feed switch 1/2/3
Defective feed pulleys or
feed rollers.
Check visually and replace.
(15)
A paper jam in the
paper feed section is
indicated during
copying (multiple
sheets in MP tray
conveying section).
Jam code 23
Broken MP feed switch
actuator.
Check visually and replace switch.
Defective switch. Run maintenance item U031 and turn switch on and off manually.
Replace the switch if indication of the corresponding switch on the
touch panel is not displayed in reverse.
MP feed switch, registration switch
(16)
A paper jam in the
paper conveying sec-
tion is indicated dur-
ing copying (jam in
registration/transfer
section).
Jam code 30
Broken feed switch 1 actua-
tor.
Check visually and replace switch.
Defective switch. Run maintenance item U031 and turn switch on and off manually.
Replace the switch if indication of the corresponding switch on the
touch panel is not displayed in reverse.
Feed switch 1, registration switch
The contact between the
right and left registration
rollers is not correct.
Check visually and replace.
Problem
Causes/check procedures
Corrective measures
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