Canon iR2422 series Service Manual page 167

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Contents

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

7.5.7 Cassette Pickup Solenoid ........................................................................................................................................................... 7-19

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