2KA
1-4-11
(4)
A paper jam in the
paper feed section is
indicated during
copying (no paper
feed from cassette
3).
Jam code 12
Paper feeder
Paper is extremely curled. Change the paper.
Check if the paper feed pul-
ley, forwarding pulley and
separation pulley of cas-
sette 3 are deformed.
Check visually and replace any deformed pulleys.
Broken feed switch 3 actua-
tor.
Check visually and replace switch.
Defective feed switch 3. Run maintenance item U031 and turn feed switch 3 on and off
manually. Replace the switch if indication of the corresponding
switch is not displayed in reverse.
Check if PF paper feed
clutch 1 malfunctions.
Run maintenance item U247 and select PF paper feed clutch 1 to
be turned on and off. Check the status and remedy if necessary.
Electrical problem with PF
paper feed clutch 1.
Check (see service manual of paper feeder).
3000-sheet paper feeder
Paper is extremely curled. Change the paper.
Broken feed switch 3 actua-
tor.
Check visually and replace switch.
Defective feed switch 3. Run maintenance item U031 and turn feed switch 3 on and off
manually. Replace the switch if indication of the corresponding
switch is not displayed in reverse.
Check if the clutch malfunc-
tions.
Run maintenance item U247 and select following clutch to be
turned on and off. Check the status and remedy if necessary.
PF paper feed clutch 1/2, PF paper conveying clutch
Electrical problem with
clutch.
Check (see service manual of 3000-sheet paper feeder).
(5)
A paper jam in the
paper feed section is
indicated during
copying (no paper
feed from cassette
4).
Jam code 13
Paper is extremely curled. Change the paper.
Check if the paper feed pul-
ley, forwarding pulley and
separation pulley of cas-
sette 4 are deformed.
Check visually and replace any deformed pulleys.
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 PF paper feed
clutch 2 malfunctions.
Run maintenance item U247 and select PF paper feed clutch 2 to
be turned on and off. Check the status and remedy if necessary.
Electrical problem with PF
paper feed clutch 2.
Check (see service manual of paper feeder).
Problem
Causes/check procedures
Corrective measures