2GZ/2G1-2
1-4-26
8070 Internal tray communication error
(optional 3000-sheet document fin-
isher)
Communication with the internal tray is
not possible although the connection is
detected.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC6 on
the finisher main PWB and the connector
YC1 on the internal tray PWB, and the conti-
nuity across the connector terminals. Repair
or replace if necessary.
Defective PWB. Replace the internal tray PWB or finisher
main PWB and check for correct operation.
8140 Main tray problem (optional 3000-
sheet document finisher)
The main tray is not detected by the
main tray top limit detection sensor or
the main tray capacity detection sensor
within 20 s since the tray has started
ascending.
The main tray upper limit detection sen-
sor to the main tray load detection sen-
sor is not detected to be turned off in
20 s after the main tray has descended.
The main tray low limit detection sensor
is not detected to be turned on in 20 s
after the main tray has descended.
During main tray ascent, the main tray
upper limit detection sensor or the main
tray load detection sensor stays on for
more than 2 s.
Poor contact in the
connector termi-
nals.
Check the connection of connector YC6 on
the finisher main PWB and the connector on
the main tray motor, and the continuity
across the connector terminals. Repair or
replace if necessary.
Defective main tray
motor.
Replace the main tray motor.
Defective main tray
upper limit detec-
tion sensor/main
tray load detection
sensor/main tray
lower limit detec-
tion sensor.
Replace the sensor.
Defective finisher
main PWB.
Replace the finisher main PWB and check
for correct operation.
Tray elevation motor problem
(optional document finisher)
When the tray elevation motor is driving,
the ON status of the tray lower limit sen-
sor or surface view sensor cannot be
detected even if a specified time has
elapsed.
The tray elevation
motor connector
makes poor con-
tact.
Reinsert the connector. Also check for conti-
nuity within the connector cable. If none,
remedy or replace the cable.
The tray elevation
motor malfunc-
tions.
Replace the tray elevation motor.
The tray lower 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
lower 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.
Code Contents
Remarks
Causes Check procedures/corrective measures
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