e-STUDIO3511/4511 TROUBLESHOOTING 5 - 28 November 2003 © TOSHIBA TEC
5.1.7 Finisher jam
(1) Jam in bridge unit
[E910] Paper not reaching the bridge unit transport sensor-1
[E920] Paper stopping at the bridge unit transport sensor-1
[E930] Paper not reaching the bridge unit transport sensor-2
[E940] Paper stopping at the bridge unit transport sensor-2
Is there any paper remaining inside the bridge unit?
YES Remove the paper.
NO
Are the bridge unit transport sensors-1 and -2 working?
(Perform the input check:03-[FAX]ON/[0]/[C], /[0]/[A])
NO 1. Check if the connectors of the bridge unit transport sensors-1 and -2 are
disconnected.
2. Check if the connector J510 of the bridge unit is disconnected.
3. Check if the connector CN351 on the LGC board is disconnected.
4. Check if the connector pins are disconnected or the harnesses are open circuited.
5. Check if the conductor pattern on the LGC board is short circuited or open
circuited.
6. Replace the bridge unit transport sensors-1 and -2.
7. Replace the LGC board.
YES
Is the bridge unit gate solenoid working? (Perform the output check: 03-232)
NO 1. Check if the connector J510 of the bridge unit is disconnected.
2. Check if the connector CN351 on the LGC board is disconnected.
3. Check if the connector pins are disconnected or the harnesses are open circuited.
4. Replace the bridge unit gate solenoid.
5. Replace the LGC board.
YES
Does the transport roller of the bridge unit work when the main motor is rotated?
(Perform the output check: 03-101/151)
NO Check the drive system of the equipment and bridge unit.
YES
Check if the rollers in the bridge unit are worn out.
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