Toshiba MJ-1104 Service Manual page 210

[ED16] Buffer tray home position error
Is there any mechanical problem when the buffer tray guide is opened/closed?
YES Fix the mechanism.

NO
Is there a disconnection of the connector, incorrect installation or breakage of the buffer tray
home position sensor (S5)?
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 buffer tray home position sensor (S5) and the CN11 of the finisher
control PC board (FIN) disconnected or open circuited?
l • Reconnect the connector securely if there is any disconnection.
YES
• Replace the harness if open circuited.

NO
Is the harness between the assist arm motor (M10) and the CN13 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).
[CB11] Buffer tray guide motor (M2) abnormality
* The [CB11] error also occurs when the error [ED16] has occurred consecutively for 3
times or when it occurred during NIC initialization.
Is there any mechanical problem when the buffer tray guide is opened and closed while the
buffer roller is kept raised?
YES Fix the mechanism.

NO
Is the harness between the buffer tray guide motor (M2) and the CN11 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
1. Replace the buffer tray guide motor (M2).
2. Replace the finisher control PC board (FIN).
MJ-1103/1104
TROUBLESHOOTING
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