– 47 –
12. Frame Holder Unit
(1)
Remove
• Tractor unit
[1]
Carriage motor unit
[2]
as described in section 7.
•
Stop ring
[3]
• Four roll pins
[4]
• Three screws
[5]
• Fastener
[6]
• Detector unit
[7]
• Frame holder unit
[8]
Remove the head cable
[9]
frome Frame holder
unit
[8]
.
Note:
Roll pins
[4]
should not be used again once they
have been removed. Always use new ones.
[9]
[7]
[1]
[4]
[3]
[5]
[4]
[2]
[5]
[6]
13. Paper Feed Roller Unit
(1)
Remove
• Carriage unit as described in section 10.
Frame holder unit as described in section 12.
• Spring
[1]
• Two stop rings
[2]
• Poly-slider
[3]
• Gear
[4]
• Paper feed roller unit
[5]
[2] [4]
[3]
[5]
[2]
[1]
Summary of Contents for LC-8521
Page 1: ...DOT MATRIX PRINTER LC 8521 TECHNICAL MANUAL THIRD EDITION ...
Page 4: ......
Page 6: ... 2 ...
Page 24: ... 20 ...
Page 26: ... 22 ...
Page 38: ......
Page 42: ... 38 ...
Page 44: ......
Page 54: ......
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 ...