Table of Contents
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Code
C8150
Document finisher* multi job tray
problem
• When the multi job tray is not detected
by the multi job tray upper limit detec-
tion sensor within 15 s from the
moment it starts ascending.
• During multi job tray descent, the multi
job tray upper limit detection sensor
does not turn off within 500 ms after it
turns on.
C8170
Document finisher* front upper side
registration guide problem
• During initialization, the front upper
side registration guide is not detected
in the home position within 1.5 s after
the guide returns to the home position.
JAM87 is indicated the first time this
problem occurs. If the problem occurs
after initialization when the front cover
is opened and closed, the problem is
in the front upper side registration
guide.
• When the front upper side registration
guide is operated from the home posi-
tion, the front upper side registration
home position sensor does not turn off
within 500 ms.
1-5-40
Contents
Service Manual
Causes
Check procedures/corrective measures
Loose connection
Reinsert the connector. Also check for conti-
of the multi job tray
nuity within the connector cable. If none,
elevation motor
remedy or replace the cable.
connector.
Malfunction of the
Replace the multi job tray elevation motor
multi job tray ele-
and check for correct operation.
vation motor.
Malfunction of the
Replace the multi job tray upper limit detec-
multi job tray upper
tion sensor and check for correct operation.
limit detection sen-
sor.
Loose connection
Reinsert the connector. Also check for conti-
of the multi job tray
nuity within the connector cable. If none,
upper limit detec-
remedy or replace the cable.
tion sensor con-
nector.
Defective finisher
Replace the finisher main PWB and check
main PWB.
for correct operation.
Loose connection
Reinsert the connector. Also check for conti-
of the front upper
nuity within the connector cable. If none,
side registration
remedy or replace the cable.
guide motor con-
nector.
Malfunction of the
Replace the front upper side registration
front upper side
guide motor and check for correct operation.
registration guide
motor.
Malfunction of the
Replace the front upper side registration
front upper side
guide home position sensor and check for
registration guide
correct operation.
home position sen-
sor.
Loose connection
Reinsert the connector. Also check for conti-
of the front upper
nuity within the connector cable. If none,
side registration
remedy or replace the cable.
guide home posi-
tion sensor con-
nector.
Defective finisher
Replace the finisher main PWB and check
main PWB.
for correct operation.
Remarks
Y104350-7
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