Canon iPF780 Series Service Manual page 126

Contents
4.1 Service Parts...................................................................................................................................................................4-1
4.1.1 Service Parts................................................................................................................................................................................. 4-1
4.2 Disassembly/Reassembly...............................................................................................................................................4-2
4.2.1 Disassembly/Reassembly............................................................................................................................................................. 4-2
4.3 Points to Note on Disassembly and Reassembly ...........................................................................................................4-2
4.3.1 Note: Items that should never be disassembled ........................................................................................................................... 4-2
4.3.2 Moving the carriage manually ..................................................................................................................................................... 4-2
4.3.3 Units requiring draining of ink .................................................................................................................................................... 4-3
4.3.4 External Covers............................................................................................................................................................................ 4-4
4.3.5 Drive Unit .................................................................................................................................................................................. 4-15
4.3.6 Cutter.......................................................................................................................................................................................... 4-19
4.3.7 Purge Unit .................................................................................................................................................................................. 4-21
4.3.8 Ink Tank Unit ............................................................................................................................................................................. 4-25
4.3.9 Ink Tube Unit ............................................................................................................................................................................. 4-29
4.3.10 Waste Ink Collection Unit ....................................................................................................................................................... 4-33
4.3.11 Multi Sensor............................................................................................................................................................................. 4-38
4.3.12 Linear Encoder......................................................................................................................................................................... 4-39
4.3.13 Head Management Sensor ....................................................................................................................................................... 4-44
4.3.14 PCBs ........................................................................................................................................................................................ 4-45
4.3.15 Opening/Closing the Ink Supply Valve ................................................................................................................................... 4-46
4.3.16 Draining the ink ....................................................................................................................................................................... 4-47
4.4 Applying the Grease.....................................................................................................................................................4-48
4.4.1 Applying the Grease .................................................................................................................................................................. 4-48
4.5 Adjustment and Setup Items ........................................................................................................................................4-52
4.5.1 Adjustment Item List ................................................................................................................................................................. 4-52
4.5.2 Procedure after Replacing the Carriage Unit or Multi Sensor ................................................................................................... 4-52
4.5.3 Procedure after Replacing the Feed Roller or Feed Roller Encoder.......................................................................................... 4-52
4.5.4 Procedure after Replacing the Head Management Sensor......................................................................................................... 4-52
Contents