Table Of Contents - Canon DADF-N1 Service Manual

Contents
Chapter 1 Specifications
1.1 Product Specifications ............................................................................................... 1-1
1.1.1 Specifications ...................................................................................................... 1-1
1.2 Names of Parts ........................................................................................................... 1-4
1.2.1 External View ..................................................................................................... 1-4
1.2.2 Cross Section....................................................................................................... 1-5
1.3 Using the Machine ..................................................................................................... 1-6
1.3.1 Original Placement Indicator .............................................................................. 1-6
1.3.2 Warning and Action to Take............................................................................... 1-6
Chapter 2 Functions
2.1 Basic Construction..................................................................................................... 2-1
2.1.1 Outline of the Electrical Circuitry....................................................................... 2-1
2.1.2 Inputs to the ADF Controller PCB...................................................................... 2-2
2.1.3 Output for the ADF Controller PCB ................................................................... 2-3
2.2 Basic Operation.......................................................................................................... 2-4
2.2.1 Transmission of Drive......................................................................................... 2-4
2.2.2 Outline of the Operation Mode ........................................................................... 2-6
2.2.3 Normal Rotation Pickup/Delivery (single-sided original -> single-sided print) 2-6
2.2.4 Normal Rotation Pickup/Reversal Delivery (double-sided original -> doubles-sided
print) ......................................................................................................................... 2-8
2.2.5 Idle Feed/Pickup/Delivery (double-sided originals of mixed sizes -> double-sided
print) ....................................................................................................................... 2-10
2.2.6 Idle Feeding/Reversal Pickup/Delivery (single-sided originals of mixed sizes ->
single-sided prints) ................................................................................................. 2-13
2.3 Document Detection ................................................................................................ 2-16
2.3.1 Outline............................................................................................................... 2-16
2.3.2 Detecting the Presence/Absence of an Original................................................ 2-17
2.3.3 Detecting the Last Original ............................................................................... 2-18
2.3.4 Original Size Initial Identification (feed direction)........................................... 2-19
2.3.5 Original Size Initial Identification (cross-feed direction) ................................. 2-20
2.3.6 Slide Guide Positioning Spacer......................................................................... 2-23
Contents