Toshiba MJ-1104 Service Manual page 220

[EAB0] Paper transport jam in Saddle Stitch Finisher
Is there any paper remaining in the paper transport path of the equipment or the saddle stitch
section of the Finisher?
YES Remove the paper.

NO
Is the paper too long for specifications?
YES Use paper accepted in the specifications.

NO
Is there any mechanical problem when the transport roller is rotated?
YES Fix the mechanism.

NO
Is there a disconnection of the connector, incorrect installation or breakage of the feeding sensor
(S22)?
Is there a disconnection of the connector, incorrect installation or breakage of the junction box
paper detection sensor (S24)?
Is there a disconnection of the connector, incorrect installation or breakage of the transport path-
2 (S27)?
Is there a disconnection of the connector, incorrect installation or breakage of the transport path-
3 (S28)?
Is there a disconnection of the connector, incorrect installation or breakage of the ejecting roller
(S29)?
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 gap between the upper surface of the flapper edge and the transport guide surface in the
acceptable range according to the status of the transport path switching solenoid (SOL5) (sole-
noid OFF: 1.5-2.1 mm, solenoid ON: 2.3-2.9 mm)
Adjust the gap.
YES

NO
Is the harness between the feeding sensor (S22) or the junction box paper detection sensor
(S24) and the CN8 of the interface PC board (I/F) disconnected or open circuited?
Is the harness between the transport path-2 sensor (S27), transport path-3 sensor (S28) or
ejecting roller sensor (S29) and the CN20 of the saddle control PC board (SDL) disconnected or
open circuited?
Is the harness between the saddle transport motor (M16) and the CN8 of the saddle control PC
board (SDL) disconnected or open circuited?
Is the harness between the entrance motor (M1) and the CN26 of the finisher control PC board
(FIN) disconnected or open circuited?
Is the harness between the transport path switching solenoid (SOL5) and the CN6 of the inter-
face PC board (I/F) disconnected or open circuited?
Is the harness between the CN1 or CN2 of the interface PC board (I/F) and the CN10 or CN13
of the saddle control PC board (FIN) disconnected or open circuited?
Is the harness between the CN5 or CN7 of the interface PC board (I/F) and the CN25 or CN27
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 interface PC board (I/F).
2. Replace the saddle control PC board (SDL).
3. Replace the finisher control PC board (FIN).
MJ-1103/1104
TROUBLESHOOTING
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