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Contents
1.7.3.3 Precautions against Static Electricity.............................................................................. 1-48
1.7.3.4 Precautions for Disassembly/Reassembly..................................................................... 1-49
1.7.3.5 Self-diagnostic Feature ..................................................................................................... 1-49
1.7.3.6 Disposing of the Lithium Battery...................................................................................... 1-49
Chapter 2 TECHNICAL REFERENCE
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 ............................................................................................................... 2-8
2.2.4 Print Position Adjustment Function ...................................................................... 2-14
2.2.5 Head Management ................................................................................................. 2-14
2.2.6 Printhead Overheating Protection Control .......................................................... 2-14
2.2.7 Pause between Pages ........................................................................................... 2-15
2.2.8 White Raster Skip ................................................................................................... 2-15
2.2.9 Sleep Mode .............................................................................................................. 2-15
2.3 Printer Mechanical System............................................................................. 2-16
2.3.1 Outline ....................................................................................................................... 2-16
2.3.1.1 Outline.................................................................................................................................. 2-16
2.3.2 Ink Passage ............................................................................................................. 2-17
2.3.2.1 Ink Passage ........................................................................................................................ 2-17
2.3.2.2 Ink Tank Unit....................................................................................................................... 2-19
2.3.2.3 Carriage Unit....................................................................................................................... 2-22
2.3.2.4 Printhead ............................................................................................................................. 2-25
2.3.2.5 Purge Unit ........................................................................................................................... 2-26
2.3.2.6 Maintenance Cartridge...................................................................................................... 2-32
2.3.2.7 Air Flow................................................................................................................................ 2-33
2.3.3 Paper Path ............................................................................................................... 2-33
2.3.3.1 Outline.................................................................................................................................. 2-33
2.3.3.2 Paper Path .......................................................................................................................... 2-35
2.3.3.3 Cutter Unit ........................................................................................................................... 2-36
2.4 Printer Electrical System................................................................................. 2-37
2.4.1 Outline ....................................................................................................................... 2-37
2.4.1.1 Overview.............................................................................................................................. 2-37
2.4.2 Main Controller ........................................................................................................ 2-39
2.4.2.1 Main controller components ............................................................................................. 2-39
2.4.3 Carriage Relay PCB ............................................................................................... 2-41
2.4.3.1 Carriage relay PCB components..................................................................................... 2-41
2.4.4 Head Relay PCB ..................................................................................................... 2-41