CHAPTER 6 TROUBLESHOOTING6-108 COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 CANON iR105 REV.0 JULY 20014.1.43 E400Communication cable1) Is the connection of the communication cable between ADF and themachine normal?NO: Correct it.ADF controller PCB2) Try replacing the ADF controller PCB. Is the problem corrected?YES: End.4.1.44 E402----------1) Set the bits of the DIP switch (SW1) on the ADF controller PCB asfollows:F06-401-06Does the belt motor (M2) rotate when the push switch (SW2) ispressed? (To stop, press the push switch (SW2) once again.)YES: Go to step 3.