128
Chap.6
z Troubleshooting Guide
(7) J8: CREASE LOCK
Pro-
ce-
dure
Does the paper meet specifica-
tions?
Is it normal when checked in
HELP mode (H-08)?
Are the connectors for the
Main PWB unit CN3 (creaser
motor) and CN8 (creaser
sensor) firmly plugged in?
Does the creaser's upper
blade go up and down when
checked in HELP mode (H-
10)?
Paper
Creaser sensor
Main PWB unit
Creaser motor
1
2
3
4
Cause/Defective part Result Countermeasure
No
Yes
No
Yes
No
Yes
Use paper that meets specifica-
tions.
Go to procedure 4.
Plug the connector in firmly.
Replace the crease sensor.
If the motor is running, check that
the screw holding the pulley is
tight. If the motor is not running,
replace the creaser motor.
Replace the main PWB unit.
Items to be checked
HELP mode H-08 \ see p.143
HELP mode H-18 \ see p.145
(8) E1: COVER OPEN
Pro-
ce-
dure
Is it normal when checked in
HELP mode (H-08)?
Is the connector for the main
PWB unit CN8 firmly plugged in?
Cover
Main PWB unit
1
2
Cause/Defective part
Result
Countermeasure
Yes
No
Yes
Replace the main PWB unit.
Plug the connector in firmly.
Replace the interlock switch.
Items to be checked
HELP mode H-08 \ see p.143
(9) E2: RS232C ERROR
Pro-
ce-
dure
Is the CCD firmly connected?
(Main PWB unit CN5)
CCD1
Cause/Defective part Result Countermeasure
No
Yes
Plug the connector in firmly.
Replace the main PWB unit.
Replace the CCD.
Items to be checked
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