2GZ/2G1-2
1-4-12
(10)
A paper jam in the
paper feed section is
indicated during
printing (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
printing (jam in
optional paper feeder
vertical paper con-
veying 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 paper feeder feed
switch actuator.
Check visually and replace switch.
Defective paper feeder feed
switch.
With 5 V DC present at CN2-8 on the paper feeder main PWB,
check if CN2-7 on the paper feeder main PWB remains low when
the paper feeder feed switch is turned on and off. If it does,
replace the paper feeder feed switch.
(12)
A paper jam in the
paper feed section is
indicated during
printing (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
(13)
A paper jam in the
paper feed section is
indicated during
printing (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 paper feeder feed
switch actuator.
Check visually and replace switch.
Defective paper feeder feed
switch.
With 5 V DC present at CN2-8 on the paper feeder main PWB,
check if CN2-7 on the paper feeder main PWB remains low when
the paper feeder feed switch is turned on and off. If it does,
replace the paper feeder 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.
Upper paper feed clutch, lower paper feed clutch, MP paper con-
veying clutch
Electrical problem with
clutch.
Check (see page 1-4-38).
Defective feed pulleys or
feed rollers.
Check visually and replace.
Problem
Causes/check procedures
Corrective measures