Toshiba 4511 User Manual

Page of 552
e-STUDIO3511/4511 TROUBLESHOOTING
5 - 2
November 2003 © TOSHIBA TEC
5.1.2  Paper misfeeding
[E110]
ADU misfeeding (paper not reaching the registration sensor)
Open the jam access cover. Is there any paper in front of the registration sensor?
YES
Remove the paper.
NO
Is the registration sensor working? (Perform the input check:03-[FAX]ON/[9]/[E])
NO
1. Check if the connector of the registration sensor is disconnected.
2. Check if the connector CN345 on the LGC board is disconnected.
3. Check if the connector pins are disconnected or the harnesses are open circuited.
4. Check if the conductor pattern on the LGC board is short circuited or open
circuited.
5. Replace the registration sensor.
6. Replace the LGC board.
YES
Is the ADU clutch working? (Perform the output check: 03-222)
NO
1. Check if the connector of the ADU clutch is disconnected.
2. Check if the connector CN340 on the LGC board is disconnected.
3. Check if the connector pins are disconnected or the harnesses are open circuited.
4. Check if the conductor pattern on the LGC board is short circuited or open
circuited.
5. Replace the ADU clutch.
6. Replace the LGC board.
YES
Check the rollers in the ADU. Replace them if they are worn out.