Canon imageRUNNER 2270 Service Manual page 282

Contents
Chapter 8 Pickup/Feeding System
8.1 Construction............................................................................................................... 8-1
8.1.1 Specifications, Controls, and Functions.............................................................. 8-1
8.1.2 Division into Blocks............................................................................................ 8-3
8.1.3 Division into Blocks............................................................................................ 8-4
8.1.4 Arrangement of Rollers....................................................................................... 8-5
8.1.5 Arrangement of Rollers....................................................................................... 8-7
8.1.6 Diagram of Paper Paths (printer on its own)....................................................... 8-9
8.1.7 Diagram of Paper Paths (w/ copy tray ) ............................................................ 8-10
8.1.8 Diagram of Paper Paths (w/ expansion delivery kit/copy tray) ........................ 8-11
8.1.9 Diagram of Paper Paths (w/ Finisher-S1/copy tray) ......................................... 8-12
8.1.10 Diagram of Paper Paths (w/ Finisher-Q3/Saddle Finisher-Q4) ...................... 8-13
8.1.11 Arrangement of Sensors .................................................................................. 8-14
8.1.12 Arrangement of Sensors .................................................................................. 8-15
8.1.13 Route of Drive................................................................................................. 8-17
8.1.14 Route of Drive................................................................................................. 8-18
8.2 Basic Sequence ........................................................................................................ 8-20
8.2.1 Basic Sequence ................................................................................................. 8-20
8.2.2 Increase in Speed............................................................................................... 8-21
8.2.3 Increase in Speed............................................................................................... 8-24
8.3 Detecting Jams ......................................................................................................... 8-26
8.3.1 Delivery Jams ....................................................................................................8-26
8.3.2 Stationary Jams .................................................................................................8-27
8.3.3 Other Jams .........................................................................................................8-29
8.4 Cassette Pick-Up Unit.............................................................................................. 8-30
8.4.1 Overview ........................................................................................................... 8-30
8.4.2 Basic Sequence ................................................................................................. 8-31
8.4.3 Identifying the Paper Size ................................................................................. 8-31
8.4.4 Setting Up the Universal Cassette..................................................................... 8-34
8.4.5 Paper Level Sensor............................................................................................ 8-36
8.5 Manual Feed Pickup Unit ........................................................................................ 8-40
8.5.1 Overview ........................................................................................................... 8-40
8.5.2 Basic Sequence of Operation ............................................................................ 8-41
8.5.3 Identifying the Paper Size ................................................................................. 8-42
8.5.4 Paper Retaining Mechanism ............................................................................. 8-43
Contents