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 REFERENCE2.1 Basic Operation Outline.................................................................................... 2-12.1.1 Printer Diagram.............................. ........................................................................... 2-1
2.1.2 Print Signal Sequence...................................................................... ........................ 2-2
2.1.3 Print Driving..................................................................................................... ........... 2-3
2.2 Firmware ............................................................................................................. 2-62.2.1 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............................................................................. 2-162.3.1 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................................................................................. 2-372.4.1 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