J3: Center Jam; J4: Slitter Or Stack - MyBinding DC-545HC Service Manual

z Troubleshooting Guide
Chap.6

(3) J3: CENTER JAM

Pro- Cause/Defective part
ce-
dure
1 Paper length
2 Main motor
3 Margin slitter drive
motor
4 Margin slitter drive
motor belt tension
5 Margin slitter drive
motor
6 Main PWB unit

(4) J4: SLITTER OR STACK

Pro- Cause/Defective part
ce-
dure
1 Paper length
2 Paper curl
3 Main motor
4 Center slitter drive
motor
5 Center slitter drive
motor belt tension
6 Center slitter drive
motor
7 Main PWB unit
Items to be checked
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?
Items to be checked
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?
126
Result Countermeasure
Yes Use paper that matches the JOB
data, or rewrite the JOB data.
No Replace the stepper driver PWB.
If that does not clear the trouble,
then replace the main motor.
Yes Replace the main PWB unit.
Yes Adjust the belt tension.
No Plug the connector in firmly.
Yes Replace the margin slitter drive
motor.
No Replace the main PWB unit.
HELP mode H-11 \ see p.144
HELP mode H-20 \ see p.145
Result Countermeasure
Yes Use paper that matches the JOB
data, or rewrite the JOB data.
Yes Eliminate any curl from the paper.
No Replace the stepper driver PWB.
If that does not clear the trouble,
then replace the main motor.
Yes Replace the main PWB unit.
Yes Adjust the belt tension.
No Plug the connector in firmly.
Yes Replace the center slitter driver
motor.
No Replace the main PWB unit.
HELP mode H-11 \ see p.144
HELP mode H-20 \ see p.145