2KA
1-4-17
(25)
A paper jam in
optional document
finisher is indicated
during copying (jam
between finisher and
machine).
Jam code 80
Defective paper entry sen-
sor.
(3000-sheet document finisher)
Run maintenance item U241 and turn the paper entry sensor on
and off manually. Replace the sensor if indication of the corre-
sponding sensor is not displayed in reverse.
(Document finisher)
With 5 V DC present at CN3-1 and CN3-3 on the finisher main
PWB, check if CN3-2and CN3-4 on the finisher main PWB
remains low or high when the paper entry sensor is turned on and
off. If it does, replace the paper entry sensor.
(26)
A paper jam in
optional document
finisher is indicated
during copying
(paper jam during
paper insertion to the
finisher).
Jam code 81
Extremely curled paper. Change the paper.
Defective paper entry sen-
sor.
(3000-sheet document finisher)
Run maintenance item U241 and turn the paper entry sensor on
and off manually. Replace the sensor if indication of the corre-
sponding sensor is not displayed in reverse.
(Document finisher)
With 5 V DC present at CN3-1 and CN3-3 on the finisher main
PWB, check if CN3-2and CN3-4 on the finisher main PWB
remains low or high when the paper entry sensor is turned on and
off. If it does, replace the paper entry sensor.
Defective finisher main
PWB.
Replace the finisher main PWB and check for correct operation.
(27)
A paper jam in
optional document
finisher is indicated
during copying (fin-
isher stapler jam).
Jam code 82
Defective staple home posi-
tion sensor.
Run maintenance item U241 and turn the staple home position
sensor on and off manually. Replace the sensor if indication of the
corresponding sensor is not displayed in reverse.
(28)
A paper jam in
optional document
finisher is indicated
during copying (eject
sensor stay jam).
Jam code 83
3000-sheet document finisher
Defective eject switch 1. Run maintenance item U241 and turn eject switch 1 on and off
manually. Replace the switch if indication of the corresponding
switch is not displayed in reverse.
Document finisher
Defective eject paper sen-
sor.
With 5 V DC present at CN7-1 on the finisher main PWB, check if
CN7-3 on the finisher main PWB remains low or high when the
eject paper sensor is turned on and off. If it does, replace the eject
paper sensor.
Check if the paper convey-
ing motor malfunctions.
Check and remedy.
Check if the eject roller and
eject pulley contact each
other.
Check and remedy.
Check if the eject guide is
deformed.
Check and remedy.
Defective finisher main
PWB.
Replace the finisher main PWB and check for correct operation.
Problem
Causes/check procedures
Corrective measures