– 55 –
TROUBLESHOOTING
3.
Repair by Unit Replacement
1) Replace main logic
board.
2) Replace printer
mechanism.
Carriage motor
operating waveform is
normal? *1
YES
Replace printer mechanism.
A
NO
NO
A
NO
1) Replace main logic
board.
2) Replace printer
mechanism.
A
NO
NO
Home position
switch signal is
normal?
YES
Replace main logic board.
START
* Turn power off.
* Remove I/F cable.
* Mount ink ribbon.
* Set paper.
* Move carriage to center.
Turn power on.
Carriage
Movement?
YES
Carriage operates
normally?
YES
Carriage stops at
home position?
YES
B
Summary of Contents for lC-10
Page 1: ...DOT MATRIX PRINTER NX 1000SERIES LC 10SERIES TECHNICAL MANUAL NINTH EDITION ...
Page 5: ... 2 GENERAL SPECIFICATIONS ...
Page 9: ... 6 GENERAL SPECIFICATIONS Fig 1 1 External Dimensions ...
Page 11: ... 8 GENERAL SPECIFICATIONS Fig 1 3 Diagram of Internal Composition ...
Page 17: ... 14 THEORY OF OPERATION ...
Page 33: ...ADJUSTMENTS 30 ...
Page 39: ...PARTS REPLACEMENT 36 ...
Page 49: ... 46 ...
Page 53: ... 50 ...
Page 55: ... 58 REPLACEMENT AND ADJUSTMENT OF PARTS ...
Page 69: ... 66 ...
Page 71: ... 68 1 Printer Assembly Ver 1 and 1 5 1 1 Disassembly Drawing ...
Page 74: ... 71 2 Printer Mechanism Ver 1 and 1 5 2 1 Disassembly Drawing ...
Page 79: ... 76 3 3 2 Colour Type ...
Page 83: ... 80 4 Wiring Scheme of Printer Ver 1 and 1 5 4 1 Parallel Type WIRING SCHEME ...
Page 84: ... 81 4 2 Commodore Type WIRING SCHEME ...
Page 85: ... 82 5 Main Logic Board Ver 1 and 1 5 5 1 Parallel Type Ver 1 5 1 1 Component Layout A Board ...
Page 86: ... 83 B Board ...
Page 90: ... 87 Blank Page ...
Page 91: ... 88 5 1 3 Circuit Diagram Ver 1 ...
Page 92: ... 89 ...
Page 93: ... 90 ...
Page 94: ... 91 ...
Page 95: ... 92 5 2 Parallel Type Ver 1 5 5 2 1 Component Layout A Board ...
Page 96: ... 93 5 2 1 Component Layout B Board ...
Page 100: ... 97 Blank Page ...
Page 101: ... 98 5 2 3 Circuit Diagram Ver 1 5 ...
Page 102: ... 99 ...
Page 103: ... 100 ...
Page 104: ... 101 ...
Page 105: ... 102 5 3 Commodore Type 5 3 1 Component Layout A Board ...
Page 106: ... 103 5 3 1 Component Layout B Board ...
Page 109: ... 106 5 3 3 Circuit Diagram ...
Page 110: ... 107 ...
Page 111: ... 108 ...
Page 112: ... 109 ...
Page 113: ... 110 6 Power Supply Unit Ver 1 and 1 5 6 1 Circuit Diagram 6 2 Component Layout ...
Page 117: ... 114 ...
Page 119: ... 116 1 Printer Assembly 1 1 Disassembly Drawing ...
Page 122: ... 119 2 Printer Mechanism 2 1 Disassembly Drawing ...
Page 129: ... 126 4 Wiring Scheme of Printer Ver 2 ...
Page 130: ... 127 5 Main Logic Board Ver 2 5 1 Component Layout ...
Page 134: ... 131 Blank Page ...
Page 135: ... 132 5 3 Circuit Diagram Ver 2 ...
Page 136: ... 133 ...
Page 137: ... 134 ...
Page 138: ... 135 ...
Page 139: ... 136 6 Power Supply Unit Ver 2 6 1 Circuit Diagram 6 2 Component Layout ...
Page 143: ... 140 ...
Page 145: ... 142 ...
Page 148: ... 145 9 Transistor 2SD1637 10 Transistor 2SD2010 ...
Page 149: ... 146 ...
Page 150: ......