Canon imageprograf ipf700 Service Manual page 45

Contents
2.1 Basic Operation Outline ................................................................................... 2-1
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 ........................................................................... 2-3
2.2.3 Print Control ................................................................................................................ 2-3
2.2.4 Print Position Adjustment Function ......................................................................... 2-6
2.2.5 Head Management .................................................................................................... 2-6
2.2.6 Printhead Overheating Protection Control ............................................................. 2-6
2.2.7 Pause between Pages .............................................................................................. 2-6
2.2.8 White Raster Skip ...................................................................................................... 2-6
2.2.9 Sleep Mode ................................................................................................................. 2-7
2.3 Printer Mechanical System.............................................................................. 2-8
2.3.1 Outline ..........................................................................................................................2-8
2.3.1.1 Outline .................................................................................................................................... 2-8
2.3.2 Ink Passage ................................................................................................................2-9
2.3.2.1 Ink Passage........................................................................................................................... 2-9
2.3.2.2 Ink Tank Unit ....................................................................................................................... 2-10
2.3.2.3 Carriage Unit ....................................................................................................................... 2-13
2.3.2.4 Printhead.............................................................................................................................. 2-16
2.3.2.5 Purge Unit............................................................................................................................ 2-17
2.3.2.6 Maintenance Cartridge ...................................................................................................... 2-23
2.3.2.7 Air Flow ................................................................................................................................ 2-24
2.3.3 Paper Path ................................................................................................................2-24
2.3.3.1 Outline .................................................................................................................................. 2-24
2.3.3.2 Paper Path........................................................................................................................... 2-25
2.3.3.3 Cutter Unit............................................................................................................................ 2-26
2.4 Printer Electrical System................................................................................ 2-27
2.4.1 Outline ........................................................................................................................2-27
2.4.1.1 Overview .............................................................................................................................. 2-27
2.4.2 Main Controller .........................................................................................................2-28
2.4.2.1 Main controller components.............................................................................................. 2-28
2.4.3 Carriage Relay PCB ................................................................................................2-30
2.4.3.1 Carriage relay PCB components ..................................................................................... 2-30
2.4.4 Head Relay PCB ......................................................................................................2-30
2.4.4.1 Head relay PCB components ........................................................................................... 2-30
2.4.5 Maintenance Cartridge Relay PCB .......................................................................2-31
Contents