2GZ/2G1
1-4-25
8020 Punch motor problem (optional 3000-
sheet document finisher)
The LOCK signal of the punch motor is
detected for more than 500 ms while the
punch motor is operating.
Poor contact in the
connector termi-
nals.
Check the connection of connector on the
punch PWB and the continuity across the
connector terminals. Repair or replace if
necessary.
Defective punch
motor.
Replace the punch motor.
Defective PWB. Replace the punch PWB or finisher main
PWB and check for correct operation.
8030 Tray upper limit detection problem
(optional document finisher)
When the tray elevation motor raises a
tray, the ON status of the tray upper limit
sensor is detected.
The tray upper limit
sensor/push paper
sensor/surface
view sensor con-
nector makes poor
contact.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
remedy or replace the cable.
Defective tray
upper limit sensor/
push paper sensor/
surface view sen-
sor.
Replace the sensor.
Defective finisher
main PWB.
Replace the finisher main PWB and check
for correct operation.
8050 Paper conveying belt motor 1 prob-
lem (optional 3000-sheet document
finisher)
Paper conveying belt home position sen-
sor 1 does not turn off within 1.5 s.
Paper conveying belt home position sen-
sor 1 does not turn on within 2.5 s.
Jam 88 is indicated.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC2 on
the internal tray PWB and the connector on
paper conveying belt motor 1, and the conti-
nuity across the connector terminals. Repair
or replace if necessary.
Defective paper
conveying belt
home position sen-
sor 1.
Replace paper conveying belt home position
sensor 1.
Defective paper
conveying belt
motor 1.
Replace paper conveying belt motor 1.
Defective PWB. Replace the internal tray PWB or finisher
main PWB and check for correct operation.
8060 Paper conveying belt motor 2 prob-
lem (optional 3000-sheet document
finisher)
Paper conveying belt home position sen-
sor 2 does not turn off within 1.5 s.
Paper conveying belt home position sen-
sor 2 does not turn on within 2.5 s.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC6 on
the internal tray PWB and the connector on
paper conveying belt motor 2, and the conti-
nuity across the connector terminals. Repair
or replace if necessary.
Defective paper
conveying belt
home position sen-
sor 2.
Replace paper conveying belt home position
sensor 2.
Defective paper
conveying belt
motor 2.
Replace paper conveying belt motor 2.
Defective PWB. Replace the internal tray PWB or finisher
main PWB and check for correct operation.
Code Contents
Remarks
Causes Check procedures/corrective measures