Canon DADF-Q1 Service Manual page 109

Contents
4.1 User Maintenance ..........................................................................................................................................................4-1
4.1.1 User maintenance item................................................................................................................................................................. 4-1
4.2 Maintenance and Inspection...........................................................................................................................................4-1
4.2.1 Periodically Replaced Parts ......................................................................................................................................................... 4-1
4.2.1.1 Periodiccally Replaced Parts...........................................................................................................................................................................4-1
4.2.2 Durables ....................................................................................................................................................................................... 4-1
4.2.2.1 Durables ..........................................................................................................................................................................................................4-1
4.2.3 Periodical Servicing ..................................................................................................................................................................... 4-2
4.2.3.1 Scheduled Servicing Chart ..............................................................................................................................................................................4-2
4.2.4 Cleaning ....................................................................................................................................................................................... 4-3
4.2.4.1 Outline.............................................................................................................................................................................................................4-3
4.2.4.2 Cleaning the Separation Assembly .................................................................................................................................................................4-3
4.2.4.3 Cleaning the Registration Roller .....................................................................................................................................................................4-4
4.2.4.4 Copyboard Glass .............................................................................................................................................................................................4-5
4.2.4.5 Belt Assembly .................................................................................................................................................................................................4-6
4.2.4.6 Original Trailing Edge Sensor ........................................................................................................................................................................4-6
4.2.4.7 Original Sensor................................................................................................................................................................................................4-6
4.2.4.8 Separation Paper/Skew Paper .........................................................................................................................................................................4-6
4.2.4.9 Pre-Registration Roller Paper .........................................................................................................................................................................4-7
4.2.4.10 Post-Registration Roller Paper ......................................................................................................................................................................4-8
4.2.4.11 Reversal Paper Sensor...................................................................................................................................................................................4-8
4.2.4.12 Manual Feed Registration .............................................................................................................................................................................4-9
4.2.4.13 Pickup Roller.................................................................................................................................................................................................4-9
4.2.4.14 Separation Belt/Feeding ................................................................................................................................................................................4-9
4.2.4.15 Pull-Off Roller ............................................................................................................................................................................................4-10
4.2.4.16 Registration Roller ......................................................................................................................................................................................4-11
4.2.4.17 Reversing Roller A, Support Member ........................................................................................................................................................4-11
4.2.4.18 Reversing Roller B, Support Member.........................................................................................................................................................4-11
4.2.4.19 Manual Feed Roller, Support Member........................................................................................................................................................4-12
4.2.4.20 Delivery Roller, Support Member...............................................................................................................................................................4-12
4.2.4.21 Manual Feed Registration Roller, Support Member ...................................................................................................................................4-12
4.3 Adjustment ...................................................................................................................................................................4-13
4.3.1 Basic Adjustment ....................................................................................................................................................................... 4-13
4.3.1.1 Basic Adjustments.........................................................................................................................................................................................4-13
4.3.1.2 ADF Height Adjustment ...............................................................................................................................................................................4-13
4.3.1.3 ADF Right Angle Adjustment ......................................................................................................................................................................4-13
4.3.1.4 Correcting the Skew ......................................................................................................................................................................................4-14
4.3.1.5 Horizontal Registration Adjustment .............................................................................................................................................................4-17
4.3.1.6 Original Stop Position Adjustment ...............................................................................................................................................................4-19
4.3.1.7 Stream Reading Speed Adjustment...............................................................................................................................................................4-21
4.3.2 Adjustment at Time of Parts Replacement ................................................................................................................................ 4-21
4.3.2.1 Outline...........................................................................................................................................................................................................4-21
4.3.2.2 Replacing the EEPROM ...............................................................................................................................................................................4-21
4.3.2.3 Adjusting the Sensors and the .......................................................................................................................................................................4-22
4.3.3 Auxiliary Adjustmant................................................................................................................................................................. 4-23
4.3.3.1 Outline...........................................................................................................................................................................................................4-23
4.3.3.2 Adjusting the Degree of Arching at the Registration Roller (pickup from the tray), (at time of reversal), (manual feed mode).................4-23
4.3.3.3 Adjusting the Speed of the Feeding Belt.......................................................................................................................................................4-25
4.3.3.4 Adjusting the Speed of Reversal ...................................................................................................................................................................4-25
4.3.3.5 Checking the Sensor Output..........................................................................................................................................................................4-26
4.3.3.6 Hinge spring pressure adjustment .................................................................................................................................................................4-27
4.3.4 Other .......................................................................................................................................................................................... 4-29
4.3.4.1 Outline...........................................................................................................................................................................................................4-29
4.3.4.2 Jam History ...................................................................................................................................................................................................4-29
Contents