Cover Open Jam - Toshiba MJ-1104 Service Manual

Is the harness between the shutter opening/closing sensor (S4) and the finisher control PC
board (CN12) disconnected or open circuited?
Is the harness between the shutter clutch (CLT1) and the CN10 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).
6.1.6

Cover open jam

[EA40] Cover open error
Is the front cover (MJ-1103), upper front cover (MJ-1104) or stationary tray opened?
l YES • Close the front cover (MJ-1103 ) or upper front cover (MJ-1104).
• Close the stationary tray.

NO
Is there any breakage of the front cover hook which switches the front cover switch (SW1) to
ON?
YES Replace the cover locking bracket.

NO
Is there a disconnection of the connector, incorrect installation or breakage of the front cover
switch (SW1)?
Is there incorrect installation or breakage of the stationary tray opening/closing switch (SW2)?
l YES • Reconnect the connector securely if there is any disconnection.
l
• Reinstall the switch correctly if there is any incorrect installation.
 • Replace the switch if there is any breakage.
NO
Is the harness between the front cover switch (SW1) / stationary tray opening/closing switch
(SW2) and the finisher control PC board (CN7) 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).
[EA90] Saddle unit open error (MJ-1104)
Is the saddle unit opened?
YES Close the unit.

NO
Is there any paper remaining on the stacker?
Remove the paper.
YES

NO
Is there a disconnection of the connector, incorrect installation or breakage of the saddle unit
opening/closing switch (SW5)?
l YES • Reconnect the connector securely if there is any disconnection.
l
• Reinstall the switch correctly if there is any incorrect installation.
 • Replace the switch if there is any breakage.
NO
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MJ-1103/1104
TROUBLESHOOTING
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