Contents
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 Overview of the Electrical Circuitry................................................................... 2-1
2.1.2 Inputs to the ADF Controller PCB...................................................................... 2-2
2.1.3 Outputs from the ADF Driver PCB .................................................................... 2-3
2.2 Basic Operation.......................................................................................................... 2-4
2.2.1 Routes of Drive ................................................................................................... 2-4
2.2.2 Overview of Operation Modes............................................................................ 2-6
2.2.3 Normal Rotation Pickup/Reversal Operation (single-sided original -> signal-side
print) ......................................................................................................................... 2-8
2.2.4 Normal Rotation Pickup/Delivery Operation (double-sided original -> double-sided
print) ......................................................................................................................... 2-9
2.2.5 Normal Rotation Pickup/Reversal Delivery (double-died original -> double-sided
print) ....................................................................................................................... 2-16
2.2.6 Idle Feed/Reversal Pickup/Delivery (single-sided original of mixed configurations
-> single-sided print) .............................................................................................. 2-18
2.3 Document Detection ................................................................................................ 2-21
2.3.1 Overview ........................................................................................................... 2-21
2.3.2 Checking the Presence/Absence of an Original................................................ 2-22
2.3.3 Identifying the Size of the Original................................................................... 2-23
2.4 Document Pickup/Separation .................................................................................. 2-32
2.4.1 Basic Sequence of Operation ............................................................................ 2-32