Canon imagePROGRAF iPF5000 Series Service Manual page 8

Contents
2.1.1 Printer Diagram ........................................................................................................................................ 2- 1
2.1.2 Print Driving .............................................................................................................................................. 2- 2
2.2 Firmware .......................................................................................................................................................... 2- 2
2.2.1 Operation Sequence at Power-on......................................................................................................... 2- 2
2.2.2 Operation Sequence at Power-off......................................................................................................... 2- 2
2.2.3 Print Control.............................................................................................................................................. 2- 3
2.2.4 Print Position Adjustment Function ....................................................................................................... 2- 4
2.2.5 Head Management .................................................................................................................................. 2- 4
2.2.6 Printhead Overheating Protection Control........................................................................................... 2- 4
2.2.7 Pause between Pages ............................................................................................................................ 2- 4
2.2.8 White Raster Skip .................................................................................................................................... 2- 4
2.2.9 Sleep Mode............................................................................................................................................... 2- 4
2.3 Printer Mechanical System ........................................................................................................................... 2- 6
2.3.1 Outline ........................................................................................................................................................ 2- 6
2.3.1.1 Outline ................................................................................................................................................ 2- 6
2.3.2 Ink Passage............................................................................................................................................... 2- 6
2.3.2.1 Ink Passage ....................................................................................................................................... 2- 6
2.3.2.2 Ink Tank Unit ..................................................................................................................................... 2- 7
2.3.2.3 Carriage Unit ..................................................................................................................................... 2- 9
2.3.2.4 Printhead .......................................................................................................................................... 2- 12
2.3.2.5 Purge Unit ........................................................................................................................................ 2- 12
2.3.2.6 Maintenance Cartridge................................................................................................................... 2- 16
2.3.2.7 Air Flow............................................................................................................................................. 2- 16
2.3.3 Paper Path............................................................................................................................................... 2- 17
2.3.3.1 Outline .............................................................................................................................................. 2- 17
2.3.3.2 Paper Path ....................................................................................................................................... 2- 18
2.3.3.3 Cutter Unit ........................................................................................................................................ 2- 29
2.4 Printer Electrical System ............................................................................................................................. 2- 30
2.4.1 Outline ...................................................................................................................................................... 2- 30
2.4.1.1 Overview .......................................................................................................................................... 2- 30
2.4.2 Main Controller ....................................................................................................................................... 2- 31
2.4.2.1 Main controller components .......................................................................................................... 2- 31
2.4.3 Carriage Relay PCB............................................................................................................................... 2- 33
2.4.3.1 Carriage PCB components ........................................................................................................... 2- 33
2.4.4 Motor Driver............................................................................................................................................. 2- 33
2.4.4.1 Cutter driver PCB components..................................................................................................... 2- 33
2.4.4.2 Roll feed unit PCB components ................................................................................................... 2- 33
2.4.5 Maintenance Cartridge Relay PCB ..................................................................................................... 2- 34
2.4.5.1 Maintenance cartridge relay PCB components ......................................................................... 2- 34
2.4.6 Power Supply .......................................................................................................................................... 2- 34
2.4.6.1 Power supply block diagram ......................................................................................................... 2- 34
2.5 Detection Functions with Sensors.............................................................................................................. 2- 35
2.5.1 Sensors for covers................................................................................................................................. 2- 35
2.5.2 Ink passage system............................................................................................................................... 2- 36
2.5.3 Carriage system ..................................................................................................................................... 2- 38
2.5.4 Paper path system................................................................................................................................. 2- 40
2.5.5 Others ...................................................................................................................................................... 2- 42