
Contents
1.7.2.3 Handling the Printer........................................................................................................... 1-57
1.7.3 Precautions When Servicing Printer .................................................................... 1-60
1.7.3.1 Notes on the Data Stored in the Printer ......................................................................... 1-60
1.7.3.2 Confirming the Firmware Version.................................................................................... 1-60
1.7.3.3 Precautions against Static Electricity.............................................................................. 1-60
1.7.3.4 Precautions for Disassembly/Reassembly..................................................................... 1-60
1.7.3.5 Self-diagnostic Feature..................................................................................................... 1-61
1.7.3.6 Disposing of the Lithium Battery...................................................................................... 1-61
Chapter 2 TECHNICAL REFERENCE
Basic Operation Outline.................................................................................... 2-1
.1.1 Printer Diagram ......................................................................................................... 2-1
.1.2 Print Signal Sequence.............................................................................................. 2-2
.1.3 Print Driving................................................................................................................ 2-3
Firmware ............................................................................................................. 2-6
.2.1 Operation Sequence at Power-on.......................................................................... 2-6
.2.2 Operation Sequence at Power-off.......................................................................... 2-7
.2.3 Print Control............................................................................................................... 2-8
.2.4 Print Position Adjustment Function...................................................................... 2-14
.2.5 Head Management ................................................................................................. 2-14
.2.6 Printhead Overheating Protection Control .......................................................... 2-15
.2.7 Pause between Pages ........................................................................................... 2-15
.2.8 White Raster Skip ................................................................................................... 2-15
.2.9 Sleep Mode.............................................................................................................. 2-15
Printer Mechanical System............................................................................. 2-16
.3.1 Outline ....................................................................................................................... 2-16
2.3.1.1 Outline.................................................................................................................................. 2-16
.3.2 Ink Passage ............................................................................................................. 2-17
2.3.2.1 Ink Passage ........................................................................................................................ 2-17
2.3.2.2 Ink Tank Unit....................................................................................................................... 2-18
2.3.2.3 Carriage Unit....................................................................................................................... 2-21
2.3.2.4 Printhead............................................................................................................................. 2-26
2.3.2.5 Purge Unit ........................................................................................................................... 2-27
2.3.2.6 Maintenance Cartridge...................................................................................................... 2-34
2.3.2.7 Air Flow................................................................................................................................ 2-35
2.3.3 Paper Path ............................................................................................................... 2-36
2.3.3.1 Outline.................................................................................................................................. 2-36
2.3.3.2 Paper Path .......................................................................................................................... 2-36
2.3.3.3 Cutter Unit........................................................................................................................... 2-54
2.4 Printer Electrical System................................................................................. 2-55
2.4.1 Outline ....................................................................................................................... 2-55
2.4.1.1 Overview.............................................................................................................................. 2-55
2.4.2 Main Controller .......... 2 57