Table of Contents
Chapter 1 Paper Path Introduction
.......................................................................
1
1.1 Paper Path Introduction
.......................................................................................
1
Chapter 2 Sensors and Head Gap Adjustment
..................................................
6
2.1 Sensor Adjustment................................................................................................6
2.1.1 Horizontal Position Sensor................................................................................................. 7
2.1.2 Head Gap Sensor.................................................................................................................. 7
2.1.3 Paper End & TOF Sensor.................................................................................................... 8
2.1.4 Paper Width Sensor.............................................................................................................. 9
2.1.5 Paper Path Select Sensor................................................................................................... 9
2.2 Head Gap Adjustment
........................................................................................
10
2.2.1 The value of Head Gap...................................................................................................... 10
2.2.2 Head Gap Adjustment........................................................................................................ 11
Chapter 3 Part Replacements
..............................................................................
12
3.1 Complete Assembly Parts
.................................................................................
13
3.1.1 Disassemble the Upper Housing.................................................................................... 13
3.1.2 Remove the Rear Cover.................................................................................................... 14
3.1.3 Remove the Front Cover................................................................................................... 15
3.1.4 Disassemble the Upper Housing.................................................................................... 16
3.1.5 Unload the Mechanism...................................................................................................... 17
3.2 Main Mechanism
..................................................................................................
18
3.2.1 Disassemble the Controller and the Pow er Supply Unit.......................................... 18
3.2.2 Remove the Ribbon Cartridge and the Upper Friction..............................................19
3.2.3 Remove the Print Head...................................................................................................... 20
3.2.4 Disassemble the Carriage Motor and the Paper Feed Motor...................................21
3.2.5 Disassemble the Paper Feed Gear Chain..................................................................... 22
3.2.6 Disassemble the Head Gap Lever...................................................................................23
3.2.7 Disassemble the Paper Path Select Lever....................................................................24
3.2.8 Assemble the Paper Path Select Code Wheel............................................................. 25
3.2.9 Assemble the Paper Path Select Lever......................................................................... 26
3.2.10 Disassemble the Gear Carrier Assy............................................................................. 27
3.2.11 Disassemble the Gear Carrier....................................................................................... 28
3.2.12 Disassemble the Print Module.......................................................................................29
3.2.13 Disassemble the Print Bar Assy................................................................................... 30
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