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November 2003 © TOSHIBA TEC 5 - 23 e-STUDIO3511/4511 TROUBLESHOOTING
5.1.6 RADF jam
Note:
When performing the RADF related troubleshooting, be sure to perform “Automatic adjustment of RADF sensor and
EEPROM initialization (05-356)” and then "RADF original guide width adjustment (05-367, 368)" at Adjustment
Mode whenever the RADF board, original length sensor, read sensor or reverse sensor has been replaced.
[E711] Jam not reaching the original length sensor
[E712] Jam not reaching the registration sensor
[E713] Stop jam at the original length sensor
Are the pickup roller, feed roller and separation roller stained or worn out?
YES Clean the rollers or replace them.
NO
Is the original excessively curled or folded?
YES Flatten and set it again.
NO
Are the original length sensor and registration sensor working?
(Perform the input check: 03-[FAX]ON/[8]/[E], [7]/[H])
NO 1. Check if the connectors of the original length sensor and registration sensor are
disconnected.
2. Check if the connector CN3 on the RADF 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 RADF board is short circuited or open
circuited.
5. Replace the original length sensor and registration sensor.
6. Replace the RADF board.
YES
Replace the RADF board.
[E714] Feed signal reception jam
Is the empty sensor working? (Perform the input check: 03-[FAX]ON/[7]/[B])
NO 1. Check if the lever of empty sensor is working normally.
2. Check if the connector of the empty sensor is disconnected.
3. Check if the connector CN5 on the RADF 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 RADF board is short circuited or open
circuited.
6. Replace the empty sensor.
7. Replace the RADF board.
YES
Replace the RADF board.