Canon iR5055 Series Service Manual page 15

8.6.5 Paper Level Detection Operation (right/left deck).................................................................................................. 8- 21
8.6.6 Identifying the Size of Paper (right/left deck)......................................................................................................... 8- 21
8.7 Registration Unit .......................................................................................................................................8- 21
8.7.1 Outline ................................................................................................................................................................... 8- 21
8.7.2 Control System ...................................................................................................................................................... 8- 22
8.8 Duplex Feeding Unit .................................................................................................................................8- 22
8.8.1 Moving the Paper to the Reversing Assembly After Printing on the 1st Side........................................................ 8- 22
8.8.2 Moving the Paper to the Duplexing Feed Assembly From the Reversing Assembly ............................................ 8- 22
8.8.3 Outline ................................................................................................................................................................... 8- 23
8.8.4 Sequence of Printing Operation ............................................................................................................................ 8- 23
8.8.5 Outline of Through-Path Operation ....................................................................................................................... 8- 24
8.8.6 Through-Path Operation........................................................................................................................................ 8- 24
8.8.7 Outline of Horizontal Registration Position ............................................................................................................ 8- 28
8.8.8 Horizontal Registration Position Detection Operation ........................................................................................... 8- 28
8.9 Delivery.....................................................................................................................................................8- 29
8.9.1 Reversal Delivery Operation.................................................................................................................................. 8- 29
8.10 Cassette Heater ......................................................................................................................................8- 30
8.10.1 Timing of the Cassette Heater Supplied with Power ........................................................................................... 8- 30
8.11 Parts Replacement Procedure................................................................................................................8- 31
8.11.1 Pickup Roller........................................................................................................................................................ 8- 31
8.11.1.1 Before Removing the Pickup Roller ..................................................................................................................................... 8- 31
8.11.1.2 Removing the Pickup Roller................................................................................................................................................. 8- 31
8.11.1.3 Points to Note When Mounting the Pickup Roller ................................................................................................................ 8- 31
8.11.2 Cassette Pickup Assembly .................................................................................................................................. 8- 31
8.11.2.1 Removing the Cassette 3/4 Pickup Assembly ..................................................................................................................... 8- 31
8.11.3 Cassette Pickup Motor......................................................................................................................................... 8- 31
8.11.3.1 Before Removing the Cassette 3/4 Pickup Motor ................................................................................................................ 8- 31
8.11.3.2 Removing the Cassette 3/4 Pickup Motor............................................................................................................................ 8- 31
8.11.4 Cassette Lifter Motor ........................................................................................................................................... 8- 32
8.11.4.1 Removing the Cassette 3 Lifter Motor M20.......................................................................................................................... 8- 32
8.11.4.2 Removing the Cassette 4 Lifter Motor M21.......................................................................................................................... 8- 32
8.11.4.3 Adjusting the Position of the Lifter Motor M20/M21 of the Cassette 3/4 .............................................................................. 8- 33
8.11.5 Left Deck Lifter Motor .......................................................................................................................................... 8- 33
8.11.5.1 Before Removing the Left Deck Lifter Motor ........................................................................................................................ 8- 33
8.11.5.2 Removing the Left Deck Lifter Motor.................................................................................................................................... 8- 33
8.11.6 Right Deck Lifter Motor ........................................................................................................................................ 8- 34
8.11.6.1 Before Removing the Right Deck Lifter Motor...................................................................................................................... 8- 34
8.11.6.2 Removing the Right Deck Lifter Motor ................................................................................................................................. 8- 34
8.11.7 Right Deck Pickup Assembly............................................................................................................................... 8- 35
8.11.7.1 Removing the Right Deck Pickup Assembly ........................................................................................................................ 8- 35
8.11.8 Left Deck Pickup Assembly ................................................................................................................................. 8- 35
8.11.8.1 Removing the Left Deck Pickup Assembly .......................................................................................................................... 8- 35
8.11.9 Left Deck Pickup Motor........................................................................................................................................ 8- 36
8.11.9.1 Before Removing the Left Deck Pickup Motor ..................................................................................................................... 8- 36
8.11.9.2 Removing the Left Deck Pickup Motor................................................................................................................................. 8- 36
8.11.10 Right Deck Pickup Motor ................................................................................................................................... 8- 36
8.11.10.1 Before Removing the Right Deck Pickup Motor ................................................................................................................. 8- 36
8.11.10.2 Removing the Right Deck Pickup Motor............................................................................................................................. 8- 36
8.11.11 Left Deck Pickup Sensor.................................................................................................................................... 8- 36
8.11.11.1 Before Removing the Left Deck Feeding Sensor ............................................................................................................... 8- 36
8.11.11.2 Removing the Left Deck Feeding Sensor........................................................................................................................... 8- 36
8.11.12 Left Deck Pickup Solenoid ................................................................................................................................. 8- 36
8.11.12.1 Before Removing the Left Deck Pickup Solenoid............................................................................................................... 8- 36
8.11.12.2 Removing the Left Deck Pickup Solenoid .......................................................................................................................... 8- 37
8.11.12.3 Adjusting the Position of the Left Deck Pickup Solenoid.................................................................................................... 8- 37
8.11.13 Manual Feed Pull-Out Roller Unit ...................................................................................................................... 8- 37
8.11.13.1 Removing the Manual Feeding Pickup Roller Unit............................................................................................................. 8- 37
8.11.14 Manual Feed Pull-Out Roller.............................................................................................................................. 8- 37
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