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FC-210/310 TROUBLESHOOTING 4 - 32 February 2002 © TOSHIBA TEC
4.1.15 ADF related service call
[C72] Aligning sensor automatic adjustment error
1. Check if any foreign matter is present between the aligning sensor and the reflecting mirror,
and if the reflecting mirror is stained.
2. Check if the harness between the aligning sensor and the RADF PC board is open-circuited.
3. Check if any conductor pattern on the RADF PC board is open- or short-circuited mainly
around IC1, IC14 and CN14.
4. Replace the aligning sensor.
5. Replace the RADF PC board.
6. Initialize the RADF's EEPROM and perform the sensor automatic adjustment.
[C73] EEPROM initializing error
1. Check if any conductor pattern on the RADF PC board is open- or short-circuited mainly
around IC7.
2. Replace the RADF PC board.
3. Initialize the RADF's EEPROM and perform the sensor automatic adjustment.
[C74] Paper exit sensor automatic adjustment error
1. Check if any foreign matter is present between the exit sensor and the reflecting mirror, and
if the reflecting mirror is stained.
2. Check if the harness between the exit sensor and the RADF PC board is open-circuited.
3. Check if any conductor pattern on the RADF PC board is open- or short-circuited mainly
around IC1, IC14 and CN8.
4. Replace the exit sensor.
5. Replace the RADF PC board.
6. Initialize the RADF's EEPROM and perform the sensor automatic adjustment.