Canon i-SENSYS MF4300dn Service Manual page 51

Contents
4.1 Basic Operation..............................................................................................................................................................4-1
4.1.1 Basic Operation (ADF) ................................................................................................................................................................ 4-1
4.1.2 Basic Operation (DADF) ............................................................................................................................................................. 4-2
4.1.3 Original Detection........................................................................................................................................................................ 4-4
4.2 Detection Jams ...............................................................................................................................................................4-5
4.2.1 Jam Detection............................................................................................................................................................................... 4-5
4.3 ADF/DADF....................................................................................................................................................................4-6
4.3.1 Pick-up Roller .............................................................................................................................................................................. 4-6
4.3.1.1 Removing the ADF Pickup Roller ..................................................................................................................................................................4-6
4.3.1.2 Removing the DADF Pickup Roller Unit .......................................................................................................................................................4-6
4.3.2 ADF Motor................................................................................................................................................................................... 4-8
4.3.2.1 Preparation for Removing the ADF/DADF Motor .........................................................................................................................................4-8
4.3.2.2 Removing the ADF Motor ..............................................................................................................................................................................4-8
4.3.2.3 Removing the DADF Motor ...........................................................................................................................................................................4-9
4.3.3 Separation Pad ........................................................................................................................................................................... 4-12
4.3.3.1 Removing the ADF Separation Pad ..............................................................................................................................................................4-12
4.3.3.2 Removing the DADF Separation Pad ...........................................................................................................................................................4-12
Contents