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CHAPTER 4
PARTS REPLACEMENT
This chapter explains disassembly and reassembly of the printer. Note the following regarding disassembly
and reassembly.
1.
Disconnect the printer from the wall outlet before servicing it.
2.
Assy is the reverse of disassembly unless otherwise specified.
3.
After reassembly, coat the screw heads with locking sealant.
4.
Lubrication information is not provided in this chapter. Refer to section 2 in chapter 5.
1.
Upper Case Unit .................................................................................................. 41
2.
Ribbon Holder ...................................................................................................... 41
3.
Printer Mechanism .............................................................................................. 42
4.
Main Logic Board Unit ........................................................................................ 42
5.
Power Supply Unit ...............................................................................................43
6.
Fuse ...................................................................................................................... 43
7.
Carriage Motor Unit ............................................................................................. 44
8.
Print Head ............................................................................................................ 44
9.
Carriage Board Unit ............................................................................................ 45
10. Carriage Unit ........................................................................................................46
11. Roller Angle Unit ................................................................................................. 46
12. Frame Holder Unit ...............................................................................................47
13. Paper Feed Roller Unit ........................................................................................ 47
14. Paper Guide Unit ................................................................................................. 48
15. Platen Assy .......................................................................................................... 48
16. Paper Feed Motor Assy ...................................................................................... 49
17. Change Plate Assy .............................................................................................. 49
4
Содержание LC-8521
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Страница 102: ... 98 4 Wiring Scheme of Printer ...
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Страница 104: ... 100 5 Electrical Parts 5 1 Main Logic Board 5 1 1 Circuit Diagram ...
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Страница 108: ... 104 5 1 2 Component Layout ...
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Страница 116: ... 112 5 4 Power Supply Unit 5 4 1 Circuit Diagram ...
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Страница 120: ... 116 6 Serial Parallel Converter Board Option 6 1 Wiring Scheme ...
Страница 122: ... 118 6 3 CPU Board 6 3 1 Circuit diagram ...