126
Chap.6
z
Troubleshooting Guide
(3) J3: CENTER JAM
Pro-
ce-
dure
Is the paper on which the
trouble occurred at least 30
mm longer than the JOB data?
Is it normal when checked in
HELP mode (H-11)?
Is it normal when checked in
HELP mode (H-20)?
Is the belt tension too high?
Is the connector for the margin
slitter drive motor firmly
plugged in?
Is the voltage measured with a
tester between CN6-3 (+) and
CN6-4 (GND) on the main
PWB unit +24 V (DC) while the
slitter drive motor is operating?
Paper length
Main motor
Margin slitter drive
motor
Margin slitter drive
motor belt tension
Margin slitter drive
motor
Main PWB unit
1
2
3
4
5
6
Cause/Defective part
Result
Countermeasure
Yes
No
Yes
Yes
No
Yes
No
Use paper that matches the JOB
data, or rewrite the JOB data.
Replace the stepper driver PWB.
If that does not clear the trouble,
then replace the main motor.
Replace the main PWB unit.
Adjust the belt tension.
Plug the connector in firmly.
Replace the margin slitter drive
motor.
Replace the main PWB unit.
Items to be checked
HELP mode H-11
\
see p.144
HELP mode H-20
\
see p.145
(4) J4: SLITTER OR STACK
Pro-
ce-
dure
Is the paper on which the
trouble occurred at least 50
mm longer than the JOB data?
Is the paper getting stuck on
the paper path because it is
curled?
Is it normal when checked in
HELP mode (H-11)?
Is it normal when checked in
HELP mode (H-20)?
Is the belt tension too high?
Is the connector for center
slitter drive motor firmly
plugged in?
Is the voltage measured with a
tester between CN6-9 (+) and
CN6-10 (GND) on the main
PWB unit +24 V (DC) while the
center slitter drive motor is
operating?
Paper length
Paper curl
Main motor
Center slitter drive
motor
Center slitter drive
motor belt tension
Center slitter drive
motor
Main PWB unit
1
2
3
4
5
6
7
Cause/Defective part
Result
Countermeasure
Yes
Yes
No
Yes
Yes
No
Yes
No
Use paper that matches the JOB
data, or rewrite the JOB data.
Eliminate any curl from the paper.
Replace the stepper driver PWB.
If that does not clear the trouble,
then replace the main motor.
Replace the main PWB unit.
Adjust the belt tension.
Plug the connector in firmly.
Replace the center slitter driver
motor.
Replace the main PWB unit.
Items to be checked
HELP mode H-11
\
see p.144
HELP mode H-20
\
see p.145
Summary of Contents for DC-545HC
Page 3: ......
Page 9: ...6 Safety instructions...
Page 14: ...11 x Dimensions Chap 1 x Dimensions...
Page 95: ...92 Chap 3 Electric Section MEMO...
Page 125: ...122 Chap 5 x Periodic Maintenance Check List MEMO...
Page 174: ......