Canon iR C3200 Series Service Manual page 399

Contents
10.1 Construction .................................................................................................................................................. 10-1
10.1.1 Specifications, Control Mechanisms, and Functions ............................................................................. 10-1
10.1.2 Arrangement of he Units ........................................................................................................................ 10-2
10.1.3 Arrangement of Rollers .......................................................................................................................... 10-3
10.1.4 Diagram of the Paper Paths .................................................................................................................... 10-4
10.1.5 Arrangement of Sensors ......................................................................................................................... 10-5
10.1.6 Arrangement of the Clutches and Solenoids .......................................................................................... 10-6
10.1.7 Route of Dive ......................................................................................................................................... 10-7
10.2 Basic Sequence .............................................................................................................................................. 10-8
10.2.1 Basic Sequence of Operations at Power-On ........................................................................................... 10-8
10.2.2 Basic Sequence of Operations in Response to a Press on the Start Key ................................................ 10-8
10.3 Detecting Jams .............................................................................................................................................. 10-9
10.3.1 Delay Jams ............................................................................................................................................. 10-9
10.3.1.1 Delay Jam in the Cassette Pickup Assembly ................................................................................... 10-9
10.3.1.2 Delay Jam Outside the Cassette Pickup Assembly ......................................................................... 10-9
10.3.2 Stationary Jams ..................................................................................................................................... 10-10
10.3.2.1 Stationary Jams .............................................................................................................................. 10-10
10.3.2.2 Stationary Jams at Power-On ........................................................................................................ 10-11
10.4 Cassette ........................................................................................................................................................ 10-12
10.4.1 Identifying the Paper Size .................................................................................................................... 10-12
10.4.2 Detecting the Level of Paper ................................................................................................................ 10-14
10.5 Cassette Pick-Up Unit ................................................................................................................................. 10-16
10.5.1 Outline .................................................................................................................................................. 10-16
10.5.2 Basci Sequence of Operations .............................................................................................................. 10-17
10.6 Manual Feed Pickup Unit ............................................................................................................................ 10-18
10.6.1 Outline .................................................................................................................................................. 10-18
10.6.2 Basic Sequence of Operations .............................................................................................................. 10-19
10.6.3 Identifying the Size of Paper ................................................................................................................ 10-20
10.6.4 Detecting the Presence/Absence of Paper ............................................................................................ 10-21
10.6.5 Detecting the Last paper ....................................................................................................................... 10-22
10.7 Registration Unit ......................................................................................................................................... 10-23
10.7.1 Outline .................................................................................................................................................. 10-23
10.8 Duplex Feeding Unit ................................................................................................................................... 10-25
10.8.1 Outline .................................................................................................................................................. 10-25
10.8.2 Controling Horizontal Registration ...................................................................................................... 10-26
10.8.3 Face-Down Delivery, A4, 5 Sheets in Circulation ............................................................................... 10-27
10.8.4 Face-Down Delivery, A3, 3 Sheets in Cirucilation .............................................................................. 10-29
10.9 Delivery ....................................................................................................................................................... 10-32
10.9.1 Delivery ................................................................................................................................................ 10-32
10.9.2 Movement in the Direction of Face-Down Delivery ............................................................................ 10-33
10.9.3 Movement in the Direction of Face-Up Delivery ................................................................................ 10-34
10.9.4 Movement for CenterTray delivery ...................................................................................................... 10-34
10.9.5 Moement for Copy Tray Dievyer ......................................................................................................... 10-35
10.10 Parts Replacement Procedure .................................................................................................................... 10-36
10.10.1 Cassette Pickup Unit .......................................................................................................................... 10-36
10.10.1.1 Removing the Cassette ................................................................................................................ 10-36
10.10.1.2 Removing the Front Right Cover ................................................................................................ 10-36
10.10.1.3 Removing the Rear Right Cover ................................................................................................. 10-36
10.10.1.4 Removing the Pickup Vertical Path Cover .................................................................................. 10-36
Contents