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Problem
(9)
1. Defective connector
Bridge conveying
cable or poor con-
motor1,2 does not
tact in the connector.
operate.
2. Defective drive trans-
mission system.
3. Defective motor.
4. Defective PWB.
(10)
1. Defective connector
Bridge solenoid
cable or poor con-
does not operate.
tact in the connector.
2. Defective solenoid.
3. Defective PWB.
(11)
1. A piece of paper torn
A paper jam is
from paper is caught
indicated when the
around DF paper
main power switch
entrance sensor, DF
is turned on.
middle sensor, DF
eject paper sensor,
bridge conveying
sensor1,2 or bridge
eject sensor.
2. Defective sensor.
(12)
1. Defective connector
[Out of staples.
cable or poor con-
Add staples.] is
tact in the connector.
displayed when the
2. Defective stapler
main power switch
empty sensor.
is turned on.
3. Defective PWB.
All manuals and user guides at all-guides.com
Causes
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Bridge conveying motor1,2 and DF main PWB (YC10)
Check if the rollers and gears rotate smoothly. If not,
grease the bushes and gears. Check for broken gears and
replace if any.
Replace the bridge conveying motor1,2.
Replace the bridge PWB and check for correct operation.
(see page 1-5-4)
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Bridge solenoid and engine PWB (YC20)
Replace the bridge solenoid.
Replace the engine PWB and check for correct operation .
Check visually and remove it, if any.
Replace the DF paper entrance sensor, DF middle sensor,
DF eject paper sensor, bridge conveying sensor1,2 or
bridge eject sensor.
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
Stapler empty sensor and DF main PWB (YC12)
Replace the staple unit.
(see page 1-5-5)
Replace the DF main PWB and check for correct operation.
1-4-23
Check procedures/corrective measures
3NC/3NB/3NK
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