Canon iPF720 Service Manual page 109

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 ...........................................................................................................4-3
4.3.1 Note on locations prohibited from disassembly........................................................................................................................... 4-3
4.3.2 Moving the carriage manually ..................................................................................................................................................... 4-3
4.3.3 Units requiring draining of ink .................................................................................................................................................... 4-3
4.3.4 External Covers............................................................................................................................................................................ 4-4
4.3.5 Waste Ink Box.............................................................................................................................................................................. 4-8
4.3.6 Driving Unit ................................................................................................................................................................................. 4-9
4.3.7 Ink Tube Unit ............................................................................................................................................................................. 4-10
4.3.8 Carriage Unit.............................................................................................................................................................................. 4-12
4.3.9 Feeder Unit................................................................................................................................................................................. 4-15
4.3.10 Purge Unit ................................................................................................................................................................................ 4-16
4.3.11 Ink Tank Unit ........................................................................................................................................................................... 4-17
4.3.12 Head Management Sensor ....................................................................................................................................................... 4-18
4.3.13 PCBs ........................................................................................................................................................................................ 4-18
4.3.14 Opening the Cap/Moving the Wiper Unit................................................................................................................................ 4-19
4.3.15 Opening/Closing the Ink Supply Valve ................................................................................................................................... 4-20
4.3.16 Draining the Ink ....................................................................................................................................................................... 4-21
4.4 Applying the Grease.....................................................................................................................................................4-22
4.4.1 Applying the Grease .................................................................................................................................................................. 4-22
4.5 Adjustment and Setup Items ........................................................................................................................................4-24
4.5.1 Adjustment Item List ................................................................................................................................................................. 4-24
4.5.2 Procedure after Replacing the Carriage Unit or Multi Sensor ................................................................................................... 4-24
4.5.3 Procedure after Replacing the Feed Roller or Feed Roller Encoder.......................................................................................... 4-24
4.5.4 Procedure after Replacing the Head Management Sensor......................................................................................................... 4-24
Contents