Toshiba e-STUDIO3511, Service Handbook, Page: 317 / 552

November 2003 © TOSHIBA TEC 5 - 3 e-STUDIO3511/4511 TROUBLESHOOTING
[E130] Upper drawer misfeeding (paper not reaching the upper drawer feed sensor)
Open the jam access cover. Is there any paper in front of the upper drawer feed sensor?
YES Remove the paper.
NO
Is the upper drawer feed sensor working? (Perform the input check: 03-[FAX]ON/[3]/[H])
NO 1. Check if the connector of the upper drawer feed 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 upper drawer feed sensor.
6. Replace the LGC board.
YES
Is the upper drawer feed clutch working? (Perform the output check: 03-201)
NO 1. Check if the connector of the upper drawer feed clutch is disconnected.
2. Check if the connector CN337 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 upper drawer feed clutch.
6. Replace the LGC board.
YES
Check the upper drawer feed roller, separation roller and pickup roller. Replace them if they are worn
out.
[E120] Bypass 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 and 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
Are the bypass feed clutch and bypass feed sensor working? (Perform the output check: 03-204 and the
input check: 03-[FAX]ON/[9]/[D])
NO 1. Check if the connector of the bypass feed clutch and bypass feed sensor are
disconnected.
2. Check if the connector CN340 on the LGC board is disconnected.
3. Check if the connector pins are disconnected and the harnesses are open circuited.
4. Check if the conductor pattern on the LGC board is short circuited or open
circuited.
5. Replace the bypass feed clutch and bypass feed sensor.
6. Replace the LGC board.
YES
Check the bypass transport, feed, separation and pickup rollers. Replace them if they are worn out.