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TROUBLESHOOTING
2.
Unit Replacement Flow Chart
Unit Exchange Sequence
Power
supply unit
Problem
Details
Category
Remarks
Specific display
lamp only will
not glow
Specific switch
only cannot be
input
Buzzer does not
sound (sound
volume
inadequate)
Strange sounds
during operation
No motor
holding power
(power very
weak)
Dots skipped
Print is too light
Ink ribbon
entanglement
(wire sticks out)
Absence of paper
not detected
Lever position
not detected
Incorrect printing
Ink ribbon not
forwarded
No operation at
DIP switch
setting
Faulty operation
when power is
turned on/off
Abnormal motor
operating speed
(slow)
Fuse blown
during operation
2
3
Ink ribbon
Gap check
Check I/F cable
Note: The figures 1, 2 and 3 mean the priority of replacement.
Operation related
Motor related
Print head
related
Detector
related
Interface related and others
Printer
mechanism
2
1
1
1
1
2
1
2
2
1
1
1
1
1
2
2
2
2
1
1
1
1
1
1
Main
logic board
Check setting of
DIP switch
Содержание lC-10
Страница 1: ...DOT MATRIX PRINTER NX 1000SERIES LC 10SERIES TECHNICAL MANUAL NINTH EDITION ...
Страница 5: ... 2 GENERAL SPECIFICATIONS ...
Страница 9: ... 6 GENERAL SPECIFICATIONS Fig 1 1 External Dimensions ...
Страница 11: ... 8 GENERAL SPECIFICATIONS Fig 1 3 Diagram of Internal Composition ...
Страница 17: ... 14 THEORY OF OPERATION ...
Страница 33: ...ADJUSTMENTS 30 ...
Страница 39: ...PARTS REPLACEMENT 36 ...
Страница 49: ... 46 ...
Страница 52: ... 49 MAINTENANCE AND LUBRICATION Fig 5 1 Lubricated Areas Detail B Monochrome Type Detail B Colour Type ...
Страница 53: ... 50 ...
Страница 55: ... 58 REPLACEMENT AND ADJUSTMENT OF PARTS ...
Страница 69: ... 66 ...
Страница 71: ... 68 1 Printer Assembly Ver 1 and 1 5 1 1 Disassembly Drawing ...
Страница 74: ... 71 2 Printer Mechanism Ver 1 and 1 5 2 1 Disassembly Drawing ...
Страница 79: ... 76 3 3 2 Colour Type ...
Страница 83: ... 80 4 Wiring Scheme of Printer Ver 1 and 1 5 4 1 Parallel Type WIRING SCHEME ...
Страница 84: ... 81 4 2 Commodore Type WIRING SCHEME ...
Страница 85: ... 82 5 Main Logic Board Ver 1 and 1 5 5 1 Parallel Type Ver 1 5 1 1 Component Layout A Board ...
Страница 86: ... 83 B Board ...
Страница 90: ... 87 Blank Page ...
Страница 91: ... 88 5 1 3 Circuit Diagram Ver 1 ...
Страница 92: ... 89 ...
Страница 93: ... 90 ...
Страница 94: ... 91 ...
Страница 95: ... 92 5 2 Parallel Type Ver 1 5 5 2 1 Component Layout A Board ...
Страница 96: ... 93 5 2 1 Component Layout B Board ...
Страница 100: ... 97 Blank Page ...
Страница 101: ... 98 5 2 3 Circuit Diagram Ver 1 5 ...
Страница 102: ... 99 ...
Страница 103: ... 100 ...
Страница 104: ... 101 ...
Страница 105: ... 102 5 3 Commodore Type 5 3 1 Component Layout A Board ...
Страница 106: ... 103 5 3 1 Component Layout B Board ...
Страница 109: ... 106 5 3 3 Circuit Diagram ...
Страница 110: ... 107 ...
Страница 111: ... 108 ...
Страница 112: ... 109 ...
Страница 113: ... 110 6 Power Supply Unit Ver 1 and 1 5 6 1 Circuit Diagram 6 2 Component Layout ...
Страница 117: ... 114 ...
Страница 119: ... 116 1 Printer Assembly 1 1 Disassembly Drawing ...
Страница 122: ... 119 2 Printer Mechanism 2 1 Disassembly Drawing ...
Страница 129: ... 126 4 Wiring Scheme of Printer Ver 2 ...
Страница 130: ... 127 5 Main Logic Board Ver 2 5 1 Component Layout ...
Страница 134: ... 131 Blank Page ...
Страница 135: ... 132 5 3 Circuit Diagram Ver 2 ...
Страница 136: ... 133 ...
Страница 137: ... 134 ...
Страница 138: ... 135 ...
Страница 139: ... 136 6 Power Supply Unit Ver 2 6 1 Circuit Diagram 6 2 Component Layout ...
Страница 143: ... 140 ...
Страница 145: ... 142 ...
Страница 148: ... 145 9 Transistor 2SD1637 10 Transistor 2SD2010 ...
Страница 149: ... 146 ...
Страница 150: ......