Contents
Contents
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
2.4.4.1 Head relay PCB components.................................................... ....................................... 2-41