Canon iR2422 series Service Manual page 11

6.10.2.2 Precautions about Installation of Developing Assembly ...................................................................................................... 6- 11
6.10.2.3 Procedure after Replacing the Developing Assembly.......................................................................................................... 6- 11
6.10.3 Transfer Charging Roller ..................................................................................................................................... 6- 12
6.10.3.1 Removing the Transfer Charging Roller............................................................................................................................... 6- 12
Chapter 7 Pickup/Feeding System
7.1 Construction ...............................................................................................................................................7- 1
7.1.1 Specifications/Configuration/Operation Methods .................................................................................................... 7- 1
7.1.2 Locations of Main Units (When the duplex unit is not equipped)............................................................................. 7- 2
7.1.3 Locations of Main Units (When the duplex unit is equipped)................................................................................... 7- 3
7.1.4 Roller Layout Drawing ............................................................................................................................................. 7- 4
7.1.5 Paper Path Drawing(Printer on its own) .................................................................................................................. 7- 4
7.1.6 Paper Path Drawing(Finisher-U2) ........................................................................................................................... 7- 5
7.1.7 Paper Path Drawing(Duplex Unit-A1(option)/Finisher-U2) ...................................................................................... 7- 5
7.1.8 Paper Path Drawing(Duplex Unit-A1(standard)/Finisher-U2) .................................................................................. 7- 5
7.1.9 Paper Path Drawing(Duplex-A1(option)) ................................................................................................................. 7- 6
7.1.10 Paper Path Drawing(Duplex-A1(standard)) ........................................................................................................... 7- 6
7.1.11 Paper Path Drawing(Duplex-A1(option)/Inner 2Way Tray-E2) .............................................................................. 7- 7
7.1.12 Paper Path Drawing(Duplex-A1(standard)/Inner 2Way Tray-E2) .......................................................................... 7- 7
7.1.13 Paper Path Drawing(Inner 2Way Tray-E2) ............................................................................................................ 7- 8
7.1.14 Sensor Layout Drawing (When the duplex unit is not equipped)........................................................................... 7- 8
7.1.15 Sensor Layout Drawing (When the duplex unit is equipped) ................................................................................. 7- 9
7.2 Detecting Jams .........................................................................................................................................7- 10
7.2.1 Delay Jams............................................................................................................................................................ 7- 10
7.2.1.1 Delay Jam in Pickup Assembly.............................................................................................................................................. 7- 10
7.2.1.2 Delay Jam in Delivery Assembly (Paper Leading Edge Jam at Delivery Sensor/Wound Paper Jam at Fixing Assembly) ... 7- 10
7.2.1.3 Duplex Paper Sensor 1 Delay Jam........................................................................................................................................ 7- 10
7.2.1.4 Duplex Paper Sensor 2 Delay Jam........................................................................................................................................ 7- 10
7.2.2 Stationary Jams..................................................................................................................................................... 7- 10
7.2.2.1 Stationary Jam in Pickup Assembly....................................................................................................................................... 7- 10
7.2.2.2 Stationary Jam in Delivery Assembly (Paper Trailing Edge Stationary Jam at First Delivery Sensor/Stationary Jam at First
Delivery Sensor)........................................................................................................................................................................... 7- 10
7.2.2.3 Duplex Paper Sensor 1 Stationary Jam................................................................................................................................. 7- 11
7.2.2.4 Duplex Paper Sensor 2 Stationary Jam................................................................................................................................. 7- 11
7.2.3 Other Jams ............................................................................................................................................................ 7- 11
7.2.3.1 Door Open Jam...................................................................................................................................................................... 7- 11
7.3 Cassette Pick-Up Unit ..............................................................................................................................7- 11
7.3.1 Overview................................................................................................................................................................ 7- 11
7.3.2 Cassette Pickup Operation.................................................................................................................................... 7- 12
7.3.3 Cassette Paper Size Detection.............................................................................................................................. 7- 14
7.4 Manual Feed Pickup Unit .........................................................................................................................7- 14
7.4.1 Overview................................................................................................................................................................ 7- 14
7.4.2 Post-pickup Control after Multi Manual Feed Pickup............................................................................................. 7- 15
7.5 Parts Replacement Procedure .................................................................................................................7- 16
7.5.1 Pickup Roller ......................................................................................................................................................... 7- 16
7.5.1.1 Removing the Cassette Paper Pickup Roller......................................................................................................................... 7- 16
7.5.2 Cassette ................................................................................................................................................................ 7- 16
7.5.2.1 Removing the First Cassette Unit .......................................................................................................................................... 7- 16
7.5.2.2 Removing the Second Cassette Unit ..................................................................................................................................... 7- 17
7.5.3 Cassette Pickup Assembly .................................................................................................................................... 7- 18
7.5.3.1 Removing the Cassette Pickup Assembly ............................................................................................................................. 7- 18
7.5.4 Cassette Size Sensor ............................................................................................................................................ 7- 19
7.5.4.1 Removing the Paper Size Detection Switches....................................................................................................................... 7- 19
7.5.5 Cassette Retry Paper Sensor................................................................................................................................ 7- 19
7.5.5.1 Removing the Retry Sensor................................................................................................................................................... 7- 19
7.5.6 Cassette Paper Sensor ......................................................................................................................................... 7- 19
7.5.6.1 Removing the Cassette Paper Presence/Absence Sensor ................................................................................................... 7- 19
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