Table of Contents
Page
....1.10.08 OKISmart Typer Utility
41
....1.10.09 OKISmart Panel Utility
42
1.11 Reliability
43
2 Principles of Operation
2.1 Electrical Operation
44
....2.1.02 Main Control Board
45
........Block Diagram
46
........Program ROM
47
........RAM
48
........Character Generator ROM (CG ROM)
49
........Electrically Erasable Programmable ROM (EEPROM)
50
........LSI
51
....2.1.03 Initialization
52
....2.1.04 Parallel Interface Control
53
....2.1.05 Print Control
54
........LSI/Printhead Interface
55
........Gap Adjust Control
56
........Print Compensation Control
57
....2.1.06 Space and Line Feed (SP/LF) Motor Control
58
........Line Feed Motor Control
59
........Space Motor Control
60
........Encoder Disk
61
....2.1.07 Operation Panel
62
....2.1.08 Alarm Circuit
63
........Head Drive Time
64
........Print Speed
65
........Head Overheat Alarm Processing
66
....2.1.09 Power Supply Circuit
67
2.2 Mechanical Operation
68
....2.2.01 Printhead Mechanism
69
........Interconnect Diagram: Control Board to Printhead
70
........Line Feed Motor Resistance
71
........Space Motor Resistance
72
........Printhead Operation
73
....2.2.02 Spacing Mechanism
74
....2.2.03 Head Gap Mechanism
75
....2.2.04 Ribbon Drive Mechanism
76
........Color Ribbon Shift Mechanism
77
....2.2.05 Line Feed Mechanism
78
........Cut Sheet/Continuous Sheet Switching Mechanism
79
........Cut Sheet Paper Feed Operation
80
........Continuous Paper Feed (Rear Tractor Mechanism)
81
........Continuous Paper Feed (Pull Tractor Mechanism)
82
........Continuous Paper Feed (Bottom Tractor Feed
Mechanism)
83
