Canon iPF6100 Service Manual page 77

Contents
2.1 Basic Operation Outline ................................................................................... 2-1
2.1.1 Printer Diagram .......................................................................................................... 2-1
2.1.2 Print Signal Sequence............................................................................................... 2-2
2.1.3 Print Driving................................................................................................................. 2-3
2.2 Firmware............................................................................................................. 2-6
2.2.1 Operation Sequence at Power-on ........................................................................... 2-6
2.2.2 Operation Sequence at Power-off ........................................................................... 2-7
2.2.3 Print Control ................................................................................................................ 2-7
2.2.4 Print Position Adjustment Function ....................................................................... 2-15
2.2.5 Head Management .................................................................................................. 2-15
2.2.6 Printhead Overheating Protection Control ........................................................... 2-16
2.2.7 Pause between Pages ............................................................................................ 2-16
2.2.8 White Raster Skip .................................................................................................... 2-16
2.2.9 Sleep Mode ............................................................................................................... 2-16
2.3 Printer Mechanical System............................................................................ 2-17
2.3.1 Outline ........................................................................................................................2-17
2.3.1.1 Outline .................................................................................................................................. 2-17
2.3.2 Ink Passage ..............................................................................................................2-18
2.3.2.1 Ink Passage......................................................................................................................... 2-18
2.3.2.2 Ink Tank Unit ....................................................................................................................... 2-20
2.3.2.3 Carriage Unit ....................................................................................................................... 2-23
2.3.2.4 Printhead.............................................................................................................................. 2-29
2.3.2.5 Purge Unit............................................................................................................................ 2-30
2.3.2.6 Maintenance Cartridge ...................................................................................................... 2-38
2.3.2.7 Air Flow ................................................................................................................................ 2-39
2.3.3 Paper Path ................................................................................................................2-40
2.3.3.1 Outline .................................................................................................................................. 2-40
2.3.3.2 Paper Path........................................................................................................................... 2-41
2.3.3.3 Cutter Unit............................................................................................................................ 2-53
2.4 Printer Electrical System................................................................................ 2-54
2.4.1 Outline ........................................................................................................................2-54
2.4.1.1 Overview .............................................................................................................................. 2-54
2.4.2 Main Controller .........................................................................................................2-56
2.4.2.1 Main controller components.............................................................................................. 2-56
2.4.3 Carriage Relay PCB ................................................................................................2-58
2.4.3.1 Carriage PCB components ............................................................................................... 2-58
2.4.4 Motor Driver ..............................................................................................................2-59
2.4.4.1 Roll feed unit PCB components ....................................................................................... 2-59
Contents