2MV
1-4-55
(21)
Developer stop
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.
Developer stop clutch and engine PWB (YC3)
2. Defective clutch. Replace the developer stop clutch.
3. Defective PWB. Replace the engine PWB and check for correct operation
(see page 1-5-45).
(22)
MP solenoid 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.
MP solenoid and engine PWB (YC2)
2. Defective solenoid. Replace the MP solenoid.
3. Defective PWB. Replace the engine PWB and check for correct operation
(see page 1-5-45).
(23)
Feedshift solenoid
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.
Feedshift solenoid and engine PWB (YC20)
2. Defective solenoid. Replace the Feedshift solenoid.
3. Defective PWB. Replace the engine PWB and check for correct operation
(see page 1-5-45).
(24)
The message
requesting paper to
be loaded is shown
when paper is
present on the cas-
sette 1.
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.
Paper sensor 1/2 and engine connect PWB (YC15)
Engine connect PWB to engine PWB (YC9)
2. Deformed actuator of
the paper sensor.
Check visually and replace if necessary.
3. Defective paper sen-
sor.
Replace the paper sensor 1/2.
4. Defective PWB. Replace the engine PWB or engine connect PWB and
check for correct operation (see page 1-5-45).
(25)
The message
requesting paper to
be loaded is shown
when paper is
present on the cas-
sette 2.
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.
Paper sensor 3/4 and video PWB (YC7)
Video PWB to main PWB (YC9)
2. Deformed actuator of
the paper sensor.
Check visually and replace if necessary.
3. Defective paper sen-
sor.
Replace the paper sensor 3/4.
4. Defective PWB. Replace the video PWB or main PWB and check for correct
operation (see page 1-5-49, 1-5-43).
Problem Causes Check procedures/corrective measures
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