Canon imageRUNNER 7095 Service Manual page 232

Contents
8.1 Construction..................................................................................................................................................... 8- 1
8.1.1 Specifications and Construction ............................................................................................................ 8- 1
8.1.2 Arrangement of Rollers and Sensors ................................................................................................... 8- 1
8.1.3 Control System......................................................................................................................................... 8- 2
8.1.4 Controlling the Pickup Motor (M2) ........................................................................................................ 8- 3
8.1.5 Index Paper Attachment ......................................................................................................................... 8- 3
8.2 Basic Sequence .............................................................................................................................................. 8- 4
8.2.1 Right Deck ................................................................................................................................................ 8- 4
8.2.2 Pickup from the cassette 4..................................................................................................................... 8- 4
8.3 Detecting Jams ............................................................................................................................................... 8- 5
8.3.1 Jam Detection Outline ............................................................................................................................. 8- 5
8.3.1.1 Outline ................................................................................................................................................ 8- 5
8.3.2 Delay Jams................................................................................................................................................ 8- 6
8.3.2.1 Cassette Pickup (Right deck, Left deck, cassette 3, 4) .............................................................. 8- 6
8.3.2.2 Other Delay Jams ............................................................................................................................. 8- 6
8.3.3 Stationary Jams ........................................................................................................................................ 8- 7
8.3.3.1 Common Stationary Jams ............................................................................................................... 8- 7
8.3.3.2 Stationary Jam at Power-On........................................................................................................... 8- 7
8.4 Cassette Pick-Up Unit .................................................................................................................................... 8- 8
8.4.1 Outline ....................................................................................................................................................... 8- 8
8.4.2 Detecting the Presence/Absence of Paper.......................................................................................... 8- 9
8.4.3 Detecting the Level of Paper................................................................................................................ 8- 10
8.4.4 Cassette 3/4............................................................................................................................................ 8- 11
8.4.5 Markings on the Width Guide Rail ...................................................................................................... 8- 12
8.4.6 Paper Size .............................................................................................................................................. 8- 12
8.5 Manual Feed Pickup Unit ............................................................................................................................ 8- 14
8.5.1 Pickup Operation ................................................................................................................................... 8- 14
8.5.2 Detecting the Paper Size...................................................................................................................... 8- 15
8.6 Deck ................................................................................................................................................................ 8- 16
8.6.1 Outline ..................................................................................................................................................... 8- 16
8.6.2 Lifter Limiter (deck right/left) ................................................................................................................ 8- 17
8.6.3 Detecting the Presence/Absence of Paper........................................................................................ 8- 18
8.6.4 Detecting the Level of Paper................................................................................................................ 8- 18
8.6.5 Cassette Deck Right/Left...................................................................................................................... 8- 19
8.7 Registration Unit ........................................................................................................................................... 8- 20
8.7.1 Outline ..................................................................................................................................................... 8- 20
8.7.2 Sequence of Operations (registration brake) .................................................................................... 8- 20
8.8 Duplex Feeding Unit..................................................................................................................................... 8- 21
8.8.1 Copying on the First Side ..................................................................................................................... 8- 21
8.8.2 Copying on the Second Side ............................................................................................................... 8- 21
8.8.3 Sequence of Operations ....................................................................................................................... 8- 22
8.8.4 Controlling the reversal motor (M11) .................................................................................................. 8- 22
8.8.5 Controlling the duplexing feeder motor (M12)................................................................................... 8- 23
8.8.6 No-Stacking Operation.......................................................................................................................... 8- 23
Contents