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Troubleshooting ＞ Electric problems
[CONFIDENTIAL]
8 Duplex clutch
does not operate.
9
Defective connector cable or
poor contact in the connector.
Reinsert the connector. Also check for continuity within the connector
cable. If none, replace the cable.
Duplex clutch and engine PWB (YC5)
Defective clutch. Replace the duplex clutch.
Defective PWB. Replace the engine PWB and check for correct operation.
10 Developer clutch
does not operate.
Defective connector cable or
poor contact in the connector.
Reinsert the connector. Also check for continuity within the connector
cable. If none, replace the cable.
Developer clutch and engine PWB (YC5)
Defective clutch. Replace the developer clutch.
Defective PWB. Replace the engine PWB and check for correct operation.
11 Conveying clutch
does not operate.
12
Defective connector cable or
poor contact in the connector.
Reinsert the connector. Also check for continuity within the connector
cable. If none, replace the cable.
Conveying clutch and engine PWB (YC5)
Defective clutch. Replace the Conveying clutch.
Defective PWB. Replace the engine PWB and check for correct operation.
13 MP solenoid does
not operate.
Defective connector cable or
poor contact in the connector.
Reinsert the connector. Also check for continuity within the connector
cable. If none, replace the cable.
MP solenoid and engine PWB (YC8)
Defective solenoid. Replace the MP solenoid.
Defective PWB. Replace the engine PWB and check for correct operation.
14 Feedshift solenoid
does not operate.
15 (60/55/50 ppm
model only)
Defective connector cable or
poor contact in the connector.
Reinsert the connector. Also check for continuity within the connector
cable. If none, replace the cable.
Feedshift solenoid and relay-L PWB (YC13)
Relay-L PWB and engine PWB (YC2/YC31)
Defective solenoid. Replace the Feedshift solenoid.
Defective PWB. Replace the engine PWB or the relay-L PWB and check for correct
operation.
16 The message
requesting paper
to be loaded is
shown when
paper is present
on the cassette.
Defective connector cable or
poor contact in the connector.
Reinsert the connector. Also check for continuity within the connector
cable. If none, replace the cable.
High voltage PWB and engine PWB (YC19)
Deformed actuator of the paper
sensor.
Check visually and replace if necessary.
Defective paper sensor. Replace the engine PWB or the high voltage PWB and check for correct
operation.
Defective PWB.
17 The message
requesting paper
to be loaded is
shown when
paper is present
on the MP tray.
Defective connector cable or
poor contact in the connector.
Reinsert the connector. Also check for continuity within the connector
cable. If none, replace the cable.
MP paper sensor and relay-L PWB (YC8)
Relay-L PWB and engine PWB (YC2)
Deformed actuator of the MP
paper sensor.
Check visually and replace if necessary.
Defective MP paper sensor. Replace the MP paper sensor.
Defective PWB. Replace the engine PWB or the relay-L PWB and check for correct
operation.
18 The size of paper
on the cassette is
not displayed
correctly.
Defective connector cable or
poor contact in the connector.
Reinsert the connector. Also check for continuity within the connector
cable. If none, replace the cable.
Cassette size switch and engine PWB (YC7)
Defective cassette size switch. Replace the cassette size switch.
Defective PWB. Replace the engine PWB and check for correct operation.
Problem Causes Check procedures/corrective measures
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