– 41 –
(1)
Turn off the power switch.
(2)
Remove the power cord from the AC output socket.
(3)
Remove
•
Platen knob unit
[1]
•
Rear cover
[2]
•
Sheet guide unit
[3]
•
Five screws
[4]
•
Upper case unit
[5]
•
Control panel board
[6]
(1)
Remove
Upper case unit as described in section 1.
(2)
Move the carriage unit to the center.
(3)
Loosen two screws
[1]
(4)
Lean the carriage unit to the rear angle assy
[2]
.
(5)
Remove
•
Ribbon hoder
[3]
1.
Upper Case Unit
2.
Ribbon Holder
[2]
[4]
[4]
[3]
[5]
a
a
[1]
[6]
[3]
[2]
[1]
[1]
Summary of Contents for LC-8521
Page 1: ...DOT MATRIX PRINTER LC 8521 TECHNICAL MANUAL THIRD EDITION ...
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Page 6: ... 2 ...
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Page 56: ... 52 ...
Page 64: ... 60 ...
Page 80: ... 76 ...
Page 101: ... 97 Blank Page ...
Page 102: ... 98 4 Wiring Scheme of Printer ...
Page 103: ... 99 ...
Page 104: ... 100 5 Electrical Parts 5 1 Main Logic Board 5 1 1 Circuit Diagram ...
Page 105: ... 101 ...
Page 106: ... 102 ...
Page 107: ... 103 Blank Page ...
Page 108: ... 104 5 1 2 Component Layout ...
Page 109: ... 105 ...
Page 116: ... 112 5 4 Power Supply Unit 5 4 1 Circuit Diagram ...
Page 117: ... 113 5 4 2 Component Layout ...
Page 120: ... 116 6 Serial Parallel Converter Board Option 6 1 Wiring Scheme ...