
CHAPTER 7
PARTS LIST
HOW TO USE PARTS LIST
(1) DRWG. NO.
This column shows the drawing number of the illustration.
(2) REVISED EDITION MARK
This column shows a revision number.
Part that have been added in the revised edition are indicated with “#”.
Part that have been abolished in the revised edition are indicated with “*”.
#1 : First edition → Second edition *1 : First edition → Second edition
(3) PARRTS NO.
Parts numbers must be notified when ordering replacement parts. Parts described as “NPN” have no parts number
and are not in stock, i.e., unavailable.
(4) PARTS NAME
Parts names must be notified when ordering replacement parts.
(5) Q’TY
This column shows the number of the part used as indicated in the figure.
(6) REMARKS
When there are differences in the specifications of the fuse, destinations, etc., the differences are described in words
or indicated by two letters.
US ..... U.S.A. EC ..... EC(with Germany) UK..... United Kingdom HK..... Hong Kong
AS ..... Australia LA..... Latin America SU ..... Russia
(7) RANK
Parts marked “S” are service parts. Service parts are recommended to be in stock for maintenance.
5-3. Connected Board .............................. 92
5-3-1. Component Layout ................. 92
5-3-2. Parts List .................................. 92
5-4. Power Supply Unit ............................ 93
5-4-1. Circuit Diagram ....................... 93
5-4-2. Component Layout ................. 94
5-4-3. Parts List .................................. 95
6. Serial-Parallel Converter Board
( Option ) .............................................
97
6-1. Wiring Scheme .................................. 97
6-2. I/F Board ............................................ 98
6-2-1. Circuit Diagram ....................... 98
6-2-2. Component Layout ................. 98
6-2-3. Parts List .................................. 98
6-3. CPU Board ......................................... 99
6-3-1. Circuit Diagram ....................... 99
6-3-2. Component Layout ............... 100
6-3-3. Parts List ................................ 100
7. Waveform with Oscilloscope ...........101
1. Printer Assembly ................................70
1-1. Disassembly Drawing ....................... 70
1-2. Parts List............................................ 71
2. Printer Mechanism............................. 72
2-1. Disassembly Drawing ....................... 72
2-2. Parts List............................................ 73
3. Sub-Assembly .................................... 75
3-1. Lower Case Unit ................................ 75
3-2. Front Case Unit ................................. 76
3-3. Serial-Parallel Converter (Option) ... 77
3-4. Tractor Unit........................................ 78
3-5. Carriage Unit ..................................... 79
3-6. Frame Base Assy .............................. 80
3-7. Frame L Unit ...................................... 81
3-8. Frame R Unit ..................................... 82
4. Wiring Scheme of Printer .................. 83
5. Electrical Parts ................................... 84
5-1. Main Logic Board .............................. 84
5-1-1. Circuit Diagram ....................... 84
5-1-2. Component Layout ................. 86
5-1-3. Parts List .................................. 88
5-2. Control Panel Board ......................... 91
5-2-1. Circuit Diagram ....................... 91
5-2-2. Component Layout ................. 91
5-2-3. Parts List .................................. 91
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