Toshiba MJ-1104 Service Manual page 212

[ED13] Front alignment plate home position error
Is there any mechanical problem when the front alignment plate is moved?
YES Fix the mechanism.

NO
Is there a disconnection of the connector, incorrect installation or breakage of the front align-
ment plate home position sensor (S7)?
l YES • Reconnect the connector securely if there is any disconnection.
l
• Reinstall the sensor correctly if there is any incorrect installation.
 • Replace the sensor if there is any breakage.
NO
Is the harness between the front alignment plate home position sensor (S7) and the CN18 of the
finisher control PC board (FIN) disconnected or open circuited?
Is the harness between the front alignment motor (M5) and the CN17 of the finisher control PC
board (FIN) disconnected or open circuited?
l YES • Reconnect the connector securely if there is any disconnection.
• Replace the harness if open circuited.

NO
Replace the finisher control PC board (FIN).
[ED14] Rear alignment plate home position error
Is there any mechanical problem when the rear alignment plate is moved?
Fix the mechanism.
YES

NO
Is there a disconnection of the connector, incorrect installation or breakage of the rear alignment
plate home position sensor (S8)?
l YES • Reconnect the connector securely if there is any disconnection.
l
• Reinstall the sensor correctly if there is any incorrect installation.
 • Replace the sensor if there is any breakage.
NO
Is the harness between the rear alignment plate home position sensor (S8) and the CN18 of the
finisher control PC board (FIN) disconnected or open circuited?
Is the harness between the rear alignment motor (M6) and the CN17 of the finisher control PC
board (FIN) disconnected or open circuited?
l YES • Reconnect the connector securely if there is any disconnection.
• Replace the harness if open circuited.

NO
Replace the finisher control PC board (FIN).
MJ-1103/1104
TROUBLESHOOTING
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