MR-2017/2020 © 2005 - 2009 TOSHIBA TEC CORPORATION All rights reserved
TROUBLESHOOTING
6 - 2
6.2 Troubleshooting for Electrical Errors1) ADF 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 ADF 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 ADF board and check the equipment
Is the sensor harness normal, and is it connected to the connector (CN73) properly?
↓NO→Connect the harness to the connector properly or replace it.
YES
Are the original tray width sensor and original tray sensor normal?
↓NO→Check the original tray width sensor and original tray sensor or replace them.
YES
Check the ADF board or replace it.