1.7.3.1 Notes on the Data Stored in the Printer ................................................................................................................................. 1- 63

1.7.3.2 Confirming the Firmware Version .......................................................................................................................................... 1- 63

1.7.3.3 Precautions against Static Electricity ..................................................................................................................................... 1- 63

1.7.3.4 Precautions for Disassembly/Reassembly............................................................................................................................. 1- 63

1.7.3.5 Self-diagnostic Feature .......................................................................................................................................................... 1- 63

1.7.3.6 Disposing of the Lithium Battery ............................................................................................................................................ 1- 63

Chapter 2 TECHNICAL REFERENCE

2.1 Basic Operation Outline ............................................................................................................................. 2- 1

2.1.1 Printer Diagram........................................................................................................................................................2- 1

2.1.2 Printer Diagram........................................................................................................................................................2- 2

2.1.3 Print Signal Sequence .............................................................................................................................................2- 3

2.1.4 Print Driving .............................................................................................................................................................2- 4

2.2 Firmware .................................................................................................................................................... 2- 6

2.2.1 Operation Sequence at Power-on............................................................................................................................2- 6

2.2.2 Operation Sequence at Power-off............................................................................................................................2- 6

2.2.3 Print Control .............................................................................................................................................................2- 7

2.2.4 Print Control .............................................................................................................................................................2- 8

2.2.5 Print Position Adjustment Function ........................................................................................................................2- 14

2.2.6 Head Management ................................................................................................................................................2- 14

2.2.7 Printhead Overheating Protection Control .............................................................................................................2- 14

2.2.8 Pause between Pages ...........................................................................................................................................2- 14

2.2.9 White Raster Skip ..................................................................................................................................................2- 14

2.2.10 Sleep Mode ..........................................................................................................................................................2- 14

2.3 Printer Mechanical System....................................................................................................................... 2- 15

2.3.1 Outline....................................................................................................................................................................2- 15

2.3.1.1 Outline.................................................................................................................................................................................... 2- 15

2.3.2 Ink Passage ...........................................................................................................................................................2- 16

2.3.2.1 Ink Passage ........................................................................................................................................................................... 2- 16

2.3.2.2 Ink Tank Unit.......................................................................................................................................................................... 2- 18

2.3.2.3 Carriage Unit.......................................................................................................................................................................... 2- 20

2.3.2.4 Printhead................................................................................................................................................................................ 2- 26

2.3.2.5 Purge Unit .............................................................................................................................................................................. 2- 27

2.3.2.6 Maintenance Cartridge........................................................................................................................................................... 2- 32

2.3.2.7 Air Flow .................................................................................................................................................................................. 2- 33

2.3.3 Paper Path .............................................................................................................................................................2- 35

2.3.3.1 Outline.................................................................................................................................................................................... 2- 35

2.3.3.2 Paper Path ............................................................................................................................................................................. 2- 36

2.3.3.3 Cutter Unit.............................................................................................................................................................................. 2- 53

2.4 Printer Electrical System .......................................................................................................................... 2- 54

2.4.1 Outline....................................................................................................................................................................2- 54

2.4.1.1 Overview ................................................................................................................................................................................ 2- 54

2.4.2 Main Controller.......................................................................................................................................................2- 56

2.4.2.1 Main controller components................................................................................................................................................... 2- 56

2.4.2.2 Main controller components................................................................................................................................................... 2- 57

2.4.3 Carriage Relay PCB...............................................................................................................................................2- 59

2.4.3.1 Carriage PCB components .................................................................................................................................................... 2- 59

2.4.4 Motor Driver ...........................................................................................................................................................2- 59

2.4.4.1 Cutter driver PCB components .............................................................................................................................................. 2- 59

2.4.4.2 Roll feed unit PCB components ............................................................................................................................................. 2- 59

2.4.5 Maintenance Cartridge Relay PCB ........................................................................................................................2- 60

2.4.5.1 Maintenance cartridge relay PCB components...................................................................................................................... 2- 60

2.4.6 Power Supply.........................................................................................................................................................2- 60

2.4.6.1 Power supply block diagram .................................................................................................................................................. 2- 60

2.5 Detection Functions with Sensors ............................................................................................................ 2- 60

2.5.1 Sensors for covers .................................................................................................................................................2- 60

2.5.2 Ink passage system ...............................................................................................................................................2- 62

Table of Contents