J5: Over Capacity; J7: Cutter Lock - MyBinding DC-545HC Service Manual

(5) J5: OVER CAPACITY

Pro- Cause/Defective part
ce-
dure
1 Amount of paper
loaded
2 Paper level sensor
3
4
5
6 Elevator lower
switch

(6) J7: CUTTER LOCK

Pro- Cause/Defective part
ce-
dure
1 Paper
2 Cutter position
switch
3 Main PWB unit
4 Cutter motor
5 Interlock
Items to be checked
Is paper loaded over the MAX?
Is the actuator stuck?
Is the trouble cleared by
adjusting the paper level
sensor?
Is it normal when checked in
HELP mode (H-08)?
Is it normal when checked in
HELP mode (H-08)?
Is it normal when checked in
HELP mode (H-08)?
Items to be checked
Does the paper meet specifica-
tions?
Is it normal when checked in
HELP mode (H-08)?
Is the connector for the main
PWB unit 6 firmly plugged in?
Does the blade go up and
down when checked in HELP
mode (H-19)?
While the power is turned off,
remove CN6 from the main
PWB unit and measure the
resistance between CN6-5 and
CN6-6. Is the resistance equal
to some amount of ohms (W)
when all the covers are
closed? Or is the resistance
infinite ohms ( W) when one
of the covers is open?
127
Chap.6
Result Countermeasure
Yes Reduce the paper so that it is
below MAX.
Yes Adjust the actuator so that is
moves smoothly.
Yes Finish
Yes Go to procedure 6.
No Plug the connector in firmly.
No Replace the paper level sensor.
No Replace the elevator lower switch.
No Replace the main PWB unit.
HELP mode H-08 \ see p.143
Result Countermeasure
No Use paper that meets specifica-
tions.
Yes Go to procedure 4.
No Plug the connector in firmly.
Yes Replace the cutter position switch.
No If the motor is running, check that
the hollow screw on the cutter
drive is tight. If the motor is not
running, replace the cutter motor.
No Check the interlock SW wires, if
they are normal, replace the
switch.
Yes Replace the main PWB unit.
HELP mode H-08 \ see p.143
HELP mode H-19 \ see p.145
z Troubleshooting Guide