– 56 –
TROUBLESHOOTING
1) Replace main logic board.
2) Replace printer mechanism.
NO
1) Replace main logic board.
2) Replace printer mechanism.
A
NO
NO
Paper feed
motor drive waveform
is normal? *2
YES
Replace printer mechanism.
A
Self
printing:
Carriage motor
drive waveform is
normal? *1
YES
Replace printer mechanism.
Printer lamps light?
YES
On line switch in on.
(Take Off Line)
On line lamp is out?
YES
Paper feed switch is on.
Paper feed switch
operation is normal?
YES
Power is off.
Power source is on while
pressing paper feed switch.
Carriage operates
normally?
YES
NO
NO
NO
Replace main logic board.
A
Replace main
logic board.
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: ......