3H3
1-4-21
Multi job tray
Punch unit
(5)
The pressures
release solenoid
does not operate.
Broken pressures release
solenoid coil.
Check for continuity across the coil. If none, replace the pressures
release solenoid.
Poor contact in the pres-
sures release solenoid con-
nector terminals.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Defective centerfold unit
main PWB.
Run maintenance item U240 and check if CN6-27 and CN6-28 on
the centerfold unit main PWB go low. If not, replace the centerfold
unit main PWB.
Problem
Causes
Check procedures/corrective measures
(1)
The multi job tray ele-
vation motor does
not operate.
Poor contact in the multi job
tray elevation motor con-
nector terminals.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Broken multi job tray eleva-
tion motor gear.
Check visually and replace the multi job tray elevation motor if
necessary.
Defective multi job tray ele-
vation motor.
Run maintenance item U240 and check if the multi job tray eleva-
tion motor operates when YC8-7 and YC8-8 on the finisher drive
PWB go low. If not, replace the multi job tray elevation motor.
Defective finisher drive
PWB.
Run maintenance item U240 and check if YC8-7 and YC8-8 on
the finisher drive PWB go low. If not, replace the finisher drive
PWB.
Defective finisher main
PWB.
Run maintenance item U240 and check if YC12-14 on the finisher
main PWB goes low. If not, replace the finisher main PWB.
Problem
Causes
Check procedures/corrective measures
(1)
The punch motor
does not operate.
Poor contact in the punch
motor connector terminals.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Broken punch motor gear.
Check visually and replace the punch motor if necessary.
Defective punch motor.
Run maintenance item U240 and check if the punch motor oper-
ates when YC3-3 and YC3-4 on the punch PWB go low. If not,
replace the punch motor.
Defective punch PWB.
Run maintenance item U240 and check if YC3-3 and YC3-4 on
the punch PWB go low. If not, replace the punch PWB.
(2)
The punch solenoid
does not operate.
Broken punch solenoid coil. Check for continuity across the coil. If none, replace the punch
solenoid.
Poor contact in the punch
solenoid connector termi-
nals.
Reinsert the connector. Also check for continuity within the con-
nector cable. If none, remedy or replace the cable.
Defective finisher main
PWB.
Run maintenance item U240 and check if YC15-7 and YC15-8 on
the finisher main PWB go low. If not, replace the finisher main
PWB.
Problem
Causes
Check procedures/corrective measures
Y1043
71-8
Service Manual
