CHAPTER 3
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 editon
(3) PARTS NO.
Parts numbers must be notified when ordering replacement parts. Parts described as “NPN” have no parts
number and are not in stock, 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
Where differences in specifications exist depending on location/destination.
(7) RANK
Parts marked “S” in the rank column can be ordered. Other parts, as a rule, cannot be supplied even if ordered.
Parts marked “O” are optional parts.
1. Printer Assembly .........................................12
1-1. Disassembly Drawing..............................12
1-2. Parts List................................................... 14
2. Mechanism Base Unit ................................. 15
2-1. Disassembly Drawing..............................15
2-2. Parts List................................................... 17
3. Sub-Assembly..............................................18
3-1. Frame R Unit............................................. 18
3-2. Frame L Unit ............................................. 19
3-3. Board Chassis Unit..................................20
3-4. Presenter Unit PR921 .............................. 21
3-5. Paper Guide Unit (PR921) ...................... 23
3-6. Guide Frame Unit ..................................... 24
3-7. Mechanism Unit TMP942.........................25
3-8. Head Unit .................................................. 27
3-9. Platen Holder Unit.................................... 28
3-10.Paper Guide Unit (TMP942)..................... 29
4. Block Diagram ............................................. 30
5. Main Logic Board ........................................ 31
5-1. Circuit Diagram ........................................ 31
5-2. Parts List................................................... 36
6. Control Panel Board....................................41
6-1. Circuit Diagram ........................................ 41
6-2. Parts List................................................... 41
7. Sub-board.....................................................42
7-1. Circuit Diagram ........................................ 42
7-2. Parts List................................................... 42
8. Serial Interface Board (25 pin).................... 43
8-1. Circuit Diagram ........................................ 43
8-2. Parts List................................................... 44
9. Serial Interface Board (9 pin)......................45
9-1. Circuit Diagram ........................................ 45
9-2. Parts List................................................... 46
10
. USB Interface Board.................................... 47
10
-1. Circuit Diagram ........................................ 47
10
-2. Parts List................................................... 48
11
. Control Panel Board .................................... 49
11
-1. Circuit Diagram ........................................ 49
11
-2. Parts List................................................... 50
3
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