2MA/2MB
1-4-38
(17)
A paper jam in the
paper feed, paper
conveying or eject
section is indi-
cated when the
main power switch
is turned on.
1. A piece of paper torn
from paper is caught
around registration
sensor, MP paper
conveying sensor or
eject sensor.
Check visually and remove it, if any.
2. Defective registration
sensor.
Replace the registration sensor.
3. Defective MP paper
conveying sensor.
Replace the MP paper conveying sensor.
4. Defective eject sen-
sor.
Replace the eject PWB.
(18)
A message indicat-
ing cover open is
displayed when the
inner tray or rear
cover is closed.
1. Deformed actuator of
the interlock switch.
Check visually and replace if necessary.
2. Defective interlock
switch.
Replace the interlock switch.
(19)
DP paper feed
motor does not
operate.
1. Defective connector
cable or poor con-
tact in the connector.
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
DP paper feed motor and DP drive PWB (YC3)
DP drive PWB (YC1) and main PWB (YC32)
2. Defective drive trans-
mission system.
Check if the rollers and gears rotate smoothly. If not,
grease the bushes and gears. Check for broken gears and
replace if any.
3. Defective motor. Replace the DP paper feed motor.
4. Defective PWB. Replace the DP drive PWB or main PWB and check for
correct operation (see page 1-5-61, 1-5-30).
(20)
DP paper feed
clutch does not
operate.
1. Defective connector
cable or poor con-
tact in the connector.
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
DP paper feed clutch and DP drive PWB (YC6)
DP drive PWB (YC8) and main PWB (YC32)
2. Defective clutch. Replace the DP paper feed clutch.
3. Defective PWB. Replace the DP drive PWB or main PWB and check for
correct operation (see page 1-5-61, 1-5-30).
(21)
DP pressure sole-
noid does not oper-
ate.
1. Defective connector
cable or poor con-
tact in the connector.
Reinsert the connector. Also check for continuity within the
connector cable. If none, replace the cable.
DP pressure solenoid and DP drive PWB (YC4)
DP drive PWB (YC8) and main PWB (YC32)
2. Defective solenoid. Replace the DP pressure solenoid.
3. Defective PWB. Replace the DP drive PWB or main PWB and check for
correct operation (see page 1-5-61, 1-5-30).
Problem Causes Check procedures/corrective measures
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