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MR-3018 Troubleshooting June 2005 © TOSHIBA TEC
6 - 2
6.2 Troubleshooting for Electrical Errors
1) RADF does not work (except in the case of a paper jam or when the cover is open)
2) Abnormality of motor
3) Communication error
4) Size detection error
Interface harness connected properly?
↓
NO→ Connect the harness properly or replace it
YES
DC+5V supplied to CN70-2, 3pin?
↓ NO→ Connect the harness properly or replace it
YES
DC+24V supplied to CN70-6, 7pin?
↓ NO→ Connect the harness properly or replace it
YES
DC+24V supplied to CN72-4pin?
↓ NO→ Check or replace the jam access cover switch
YES
Empty sensor is ON when there is paper?
↓ NO→ Check or replace the empty sensor
YES
Check or replace the RADF board
Power supplied and drives signals to connector of motor?
↓
NO→ Check or replace motor
YES
There is no mechanical overloading at the motor and the drive system is correct? (Belt tension etc.)
↓ NO→ Check or replace motor harness
YES
Check or replace the RADF board
Interface cable normal?
↓
NO→ Replace the interface cable
YES
Check or replace the RADF board and check the equipment
Original tray sensor is ON when there is paper?
↓
NO→ Replace the sensor or harness
YES
Registration roller does not catch the original?
↓ YES→ Clean the roller with alcohol or replace
NO
Original width detection sensor-1 is ON when there is paper?
↓ NO→ Replace the sensor or harness
YES
Original width detection sensor-2 is ON when there is paper?
↓ NO→ Replace the sensor or harness
YES
Check or replace the RADF board