2KR/2KS
1-4-15
(9)
A paper jam in the
paper feed section is
indicated during
copying (jam in 3000-
sheet paper feeder
horizontal paper con-
veying section).
Jam code 17
Paper is extremely curled. Replace 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 on the touch panel 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 (jam in verti-
cal paper conveying
section).
Jam code 18
Broken feed switch 1/2/3
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 on the touch panel is not displayed in reverse.
Feed switch 1/2/3, registration switch
Defective feed pulleys or
feed rollers.
Check visually and replace.
(11)
A paper jam in the
paper feed section is
indicated during
copying (jam in paper
feeder vertical paper
conveying section).
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 on the touch panel is not displayed in reverse.
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.
(12)
A paper jam in the
paper feed section is
indicated during
copying (jam in MP
tray vertical paper
conveying section).
Jam code 20
Broken MP feed 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 on the touch panel is not displayed in reverse.
MP feed switch, registration switch
Problem
Causes/check procedures
Corrective measures
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