Canon imageprograf ipf700 Service Manual page 6

Contents
1.7.3.4 Precautions for Disassembly/Reassembly..................................................................... 1-31
1.7.3.5 Self-diagno stic Feature .................................................................................................... 1-31
1.7.3.6 Disposing of a lithium battery ........................................................................................... 1-31
Chapter 2 TECHNICAL REFERENCE
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