Canon Color iR C3480 Service Manual page 280

Contents
8.9.2 The Number of Circulating Sheets at Duplexing Feeding ......................................................................................................... 8-34
8.9.3 Duplexing Re-Pickup Control.................................................................................................................................................... 8-34
8.9.4 Sequence of Image Formation ................................................................................................................................................... 8-34
8.9.5 Flow of Paper ............................................................................................................................................................................ 8-35
8.10 Delivery......................................................................................................................................................................8-40
8.10.1 Delivery Control....................................................................................................................................................................... 8-40
8.10.2 Delivery to the Main Body Tray .............................................................................................................................................. 8-40
8.10.3 Delivery Operation when Mounting the Delivery Accessory.................................................................................................. 8-40
8.10.4 Specifying the Delivery Point .................................................................................................................................................. 8-41
8.11 Parts Replacement Procedure.....................................................................................................................................8-42
8.11.1 Pickup Unit 1............................................................................................................................................................................ 8-42
8.11.1.1 Before Removing the Cassette Pickup Unit 1 ............................................................................................................................................ 8-42
8.11.1.2 Removing the Cassette Pickup Unit 1 ........................................................................................................................................................ 8-42
8.11.2 Pickup Unit 2............................................................................................................................................................................ 8-42
8.11.2.1 Before Removing the Cassette Pickup Unit 2 ............................................................................................................................................ 8-42
8.11.2.2 Removing the Cassette Pickup Unit 2 ........................................................................................................................................................ 8-42
8.11.3 Sensor Mounting Plate ............................................................................................................................................................. 8-42
8.11.3.1 Before Removing the Sensor Mounting Plate ............................................................................................................................................ 8-42
8.11.3.2 Removing the Sensor Mounting Plate ........................................................................................................................................................ 8-43
8.11.4 Pickup Roller............................................................................................................................................................................ 8-43
8.11.4.1 Removing the Pickup Roller....................................................................................................................................................................... 8-43
8.11.5 Feed Roller ............................................................................................................................................................................... 8-44
8.11.5.1 Removing the Feed Roller .......................................................................................................................................................................... 8-44
8.11.6 Separation Roller...................................................................................................................................................................... 8-44
8.11.6.1 Removing the Separation Roller................................................................................................................................................................. 8-44
8.11.7 Cassette Pickup Motor 1 .......................................................................................................................................................... 8-44
8.11.7.1 Before Removing the Cassette Pickup Motor 1 ......................................................................................................................................... 8-44
8.11.7.2 Removing the Cassette Pickup Motor 1 ..................................................................................................................................................... 8-44
8.11.8 Cassette Pickup Motor 2 .......................................................................................................................................................... 8-45
8.11.8.1 Before Removing the Cassette Pickup Motor 2 ......................................................................................................................................... 8-45
8.11.8.2 Removing the Cassette Pickup Motor 2 ..................................................................................................................................................... 8-45
8.11.9 Cassette Size Detection Sensor ................................................................................................................................................ 8-46
8.11.9.1 Before Removing the Cassette Size Sensor................................................................................................................................................ 8-46
8.11.9.2 Removing Cassette Size Sensor ................................................................................................................................................................ 8-46
8.11.10 Cassette Retry Paper Sensor................................................................................................................................................... 8-47
8.11.10.1 Before Removing Cassette Retry Paper Sensor ....................................................................................................................................... 8-47
8.11.10.2 Removing Cassette Retry Paper Sensor .................................................................................................................................................. 8-47
8.11.11 Cassette Paper Sensor ............................................................................................................................................................ 8-47
8.11.11.1 Before Removing Cassette Paper Sensor ................................................................................................................................................. 8-47
8.11.11.2 Removing Cassette Paper Sensor ............................................................................................................................................................ 8-47
8.11.12 Cassette Paper Level Sensor (A/B) ........................................................................................................................................ 8-48
8.11.12.1 Before Removing Cassette Paper Level Sensor (A/B) ............................................................................................................................ 8-48
8.11.12.2 Removing Cassette Paper Level Sensor (A/B) ........................................................................................................................................ 8-48
8.11.13 Slide Resistor ......................................................................................................................................................................... 8-48
8.11.13.1 Before Removing Slide Resistor .............................................................................................................................................................. 8-48
8.11.13.2 Removing Slide Resistor ......................................................................................................................................................................... 8-48
8.11.14 Cassette Pickup Solenoid ....................................................................................................................................................... 8-48
8.11.14.1 Before Removing Cassette Pickup Solenoid ............................................................................................................................................ 8-48
8.11.14.2 Removing Cassette Pickup Solenoid ........................................................................................................................................................ 8-48
8.11.15 Cassette Size Sensor Relay PCB............................................................................................................................................ 8-49
8.11.15.1 Before Removing Cassette Size Sensor PCB ........................................................................................................................................... 8-49
8.11.15.2 Removing Cassette Size Sensor PCB ....................................................................................................................................................... 8-49
8.11.16 Manual Feed Pickup Clutch ................................................................................................................................................... 8-49
8.11.16.1 Before Removing Manual Feed Pickup Clutch ........................................................................................................................................ 8-49
8.11.16.2 Removing Manual Feed Pickup Clutch ................................................................................................................................................... 8-49
8.11.17 Manual Feed Tray Unit .......................................................................................................................................................... 8-50
8.11.17.1 Before Removing Manual Feed Tray Unit .............................................................................................................................................. 8-50
8.11.17.2 Removing Manual Feed Tray Unit ........................................................................................................................................................... 8-50
8.11.18 Manual Feed Unit................................................................................................................................................................... 8-50