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Canon iR2030 Series Service Manual Page 151

Ir2030/2025/2022/2018 series.
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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 .............................................................................................................................................................. 7-2
7.1.3 Roller Layout Drawing ................................................................................................................................................................ 7-2
7.1.4 Paper Path Drawing (Printer on its own) ..................................................................................................................................... 7-3
7.1.5 Paper Path Drawing (Finisher-U2) .............................................................................................................................................. 7-3
7.1.6 Paper Path Drawing (Duplex Unit-B1/Finisher-U2) ................................................................................................................... 7-4
7.1.7 Paper Path Drawing (Duplex Unit-B1)........................................................................................................................................ 7-4
7.1.8 Paper Path Drawing (Duplex-B1/Inner 2Way Tray-E2).............................................................................................................. 7-5
7.1.9 Paper Path Drawing(Inner 2Way Tray-E2) ................................................................................................................................. 7-5
7.1.10 Sensor Layout Drawing ............................................................................................................................................................. 7-5
7.2 Detecting Jams ...............................................................................................................................................................7-6
7.2.1 Delay Jams ................................................................................................................................................................................... 7-6
7.2.1.1 Delay Jam in Pickup Assembly.......................................................................................................................................................................7-6
7.2.2 Stationary Jams ............................................................................................................................................................................ 7-7
7.2.2.1 Stationary Jam in Pickup Assembly................................................................................................................................................................7-7
7-7
7.2.3 Other Jams ................................................................................................................................................................................... 7-7
7.2.3.1 Door Open Jam ...............................................................................................................................................................................................7-7
7.3 Cassette Pick-Up Unit ....................................................................................................................................................7-7
7.3.1 Overview...................................................................................................................................................................................... 7-7
7.3.2 Cassette Pickup Operation ........................................................................................................................................................... 7-7
7.3.3 Cassette Paper Size Detection...................................................................................................................................................... 7-8
7.4 Manual Feed Pickup Unit ..............................................................................................................................................7-9
7.4.1 Overview...................................................................................................................................................................................... 7-9
7.4.2 Post-pickup Control after Multi Manual Feed Pickup ............................................................................................................... 7-10
7.5 Parts Replacement Procedure.......................................................................................................................................7-11
7.5.1 Pickup Roller ............................................................................................................................................................................. 7-11
7.5.1.1 Removing the Cassette Paper Pickup Roller.................................................................................................................................................7-11
7.5.2 Cassette ...................................................................................................................................................................................... 7-11
7.5.2.1 Removing the Cassette Unit..........................................................................................................................................................................7-11
7.5.3 Cassette Pickup Assembly ......................................................................................................................................................... 7-12
7.5.3.1 Removing the Cassette Pickup Assembly.....................................................................................................................................................7-12
7.5.4 Cassette Size Sensor .................................................................................................................................................................. 7-12
7.5.4.1 Removing the Paper Size Detection Switches ..............................................................................................................................................7-12
7.5.5 Cassette Retry Paper Sensor ...................................................................................................................................................... 7-12
7.5.5.1 Removing the Retry Sensor ..........................................................................................................................................................................7-12
7.5.6 Cassette Paper Sensor ................................................................................................................................................................ 7-12
7.5.6.1 Removing the Cassette Paper Presence/Absence Sensor..............................................................................................................................7-12
7.5.7 Cassette Pickup Solenoid ........................................................................................................................................................... 7-13
7.5.7.1 Removing the Cassette Pickup Solenoid.......................................................................................................................................................7-13
7.5.8 Manual Pickup Roller ................................................................................................................................................................ 7-13
7.5.8.1 Removing the Multifeeder Pickup Roller .....................................................................................................................................................7-13
7.5.9 Manual Feed Tray paper sensor ................................................................................................................................................. 7-13
7.5.9.1 Removing the Multifeeder Paper Presence/Absence Sensor ........................................................................................................................7-13
7.5.10 Manual Feed Pickup Solenoid ................................................................................................................................................. 7-14
7.5.10.1 Removing the Multifeeder Pickup Solenoid ...............................................................................................................................................7-14
7.5.11 Registration Roller ................................................................................................................................................................... 7-15
7.5.11.1 Removing the Registration Roller...............................................................................................................................................................7-15
7.5.12 Registration Clutch .................................................................................................................................................................. 7-15
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