Troubleshooting Guide; J1: Reject Paper; J2: Feed Jam - MyBinding DC-545HC Service Manual

z Troubleshooting Guide
Chap.6
z Troubleshooting Guide

(1) J1: REJECT PAPER

Pro- Cause/Defective part
ce-
dure
1 In the machine
2 PPS
3
4 Main PWB unit

(2) J2: FEED JAM

Pro- Cause/Defective part
ce-
dure
1 Paper
2 Separator
3 Suction fan
4 Paper level sensor
5 Feed motor
6
7
8 Fan (blower)
9
10
Items to be checked
Is there some paper in the
machine?
Is the sensor normal when
checked in HELP mode (H-
08)?
Was the sensor level check
done at HELP mode (H-03, 04,
05, and 06) correct?
Is the main PWB unit connec-
tor CN4 plugged in?
Items to be checked
Does the paper meet specifica-
tions?
Is the trouble cleared by
adjusting the space between the
separator and the suction belt?
Is the trouble cleared by setting
the suction appropriately?
Is the trouble cleared by
correcting the position of the
paper level sensor?
Does it operate in HELP mode
(H-31)?
Is the connector for the feed
motor firmly plugged in?
Is the voltage measured with a
tester between CN2-9 (+) and
CN2-10 (GND) on the feed
PCB unit +24 V (DC) while the
feed motor is operating?
Does it operate in HELP mode
(H-30)?
Is the connector for the fan
(blower) firmly plugged in?
Is the voltage measured with a
tester between CN2-3 (+) and
CN2-4 (GND) on the feed PCB
unit +24 V (DC) while the fan
(blower) is operating?
124
Result Countermeasure
Yes Remove the paper from inside the
machine.
Yes Finish.
No Clean the relevant sensors. If this
does not solve the trouble, replace
the sensors.
No Plug the connector in firmly. Plug
the connector in firmly.
Yes Replace the faulty sensor.
HELP mode H-08 \ see p.143
Result Countermeasure
No Use paper that meets specifica-
tions.
Yes Finish
Yes Finish
Yes Finish
Yes Go to procedure 8.
No Plug the connector in firmly.
Yes Replace the feed motor.
No Go to procedure 21.
Yes Go to procedure 11.
No Plug the connector in firmly.
Yes Replace the fan (blower).
No Go to procedure 21.