2KA
1-4-13
(9)
A paper jam in the
paper feed section is
indicated during
copying (misfeed in
3000-sheet paper
feeder horizontal
paper conveying sec-
tion).
Jam code 17
Paper is extremely curled. Change the paper.
Check if the paper side
guides are deformed.
Check visually and replace.
Defective paper path sen-
sor 1.
With 5 V DC present at CN6-6 on the PF main PWB, check if
CN6-5 on the PF main PWB remains low or high when paper path
sensor 1 is turned on and off. If it does, replace paper path sensor
1.
Check if PF paper convey-
ing clutch malfunctions.
Run maintenance item U247 and select PF paper conveying
clutch to be turned on and off. Check the status and remedy if
necessary.
Electrical problem with PF
paper conveying clutch.
Check (see service manual of 3000-sheet paper feeder).
(10)
A paper jam in the
paper feed section is
indicated during
copying (misfeed in
vertical paper con-
veying section).
Jam code 18
Broken switch actuator. Check visually and replace switch.
Defective switch. Run maintenance item U031 and turn following switch on and off
manually. Replace the switch if indication of the corresponding
switch is not displayed in reverse.
Feed switch 1/2/3, registration switch
Defective paper conveying
motor.
Run maintenance item U030 and select paper conveying motor to
be turned on and off. Check the status and remedy if necessary.
(11)
A paper jam in the
paper feed section is
indicated during
copying (misfeed in
paper feeder vertical
paper conveying sec-
tion).
Jam code 19
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.
(12)
A paper jam in the
paper feed section is
indicated during
copying (multiple
sheets in MP tray).
Jam code 21
Broken MP paper feed
switch actuator.
Check visually and replace switch.
Defective MP paper feed
switch.
Run maintenance item U031 and turn MP paper feed switch on
and off manually. Replace the switch if indication of the corre-
sponding switch is not displayed in reverse.
Defective MP paper con-
veying clutch.
Run maintenance item U032 and select MP paper conveying
clutch to be turned on and off. Check the status and remedy if
necessary.
Electrical problem with
paper conveying clutch.
Check (see page 1-4-63).
Problem
Causes/check procedures
Corrective measures