4.2.1.1 Upper Housing Removal ................................................................... 27
4.2.1.2 Panel Housing/C486 PNL Board Removal ....................................... 27
4.2.1.3 Printhead Removal ............................................................................ 28
4.2.1.4 Lower Housing/Printer Mechanism Removal ................................... 29
4.2.2 Board Removal .......................................................................................... 30
4.2.2.1 C486 Main Board Removal ............................................................... 30
4.2.2.2 C486 PSB/PSE Board Removal ........................................................ 32
4.2.3 Printer Mechanism Disassembly ............................................................... 32
4.2.3.1 ASF Unit Removal ............................................................................ 32
4.2.3.2 ASF Unit Disassembly ...................................................................... 33
4.2.3.3 PE Sensor/PE Sensor Holder/PE Lever Removal ............................. 35
4.2.3.4 PF Encoder & PF Encoder Base Removal ........................................ 36
4.2.3.5 Linear Scale Removal ....................................................................... 37
4.2.3.6 CR Guide Shaft/Carriage Unit Removal ........................................... 37
4.2.3.7 Ink System Unit Removal ................................................................. 39
4.2.3.8 CR Motor Removal ........................................................................... 39
4.2.3.9 PF Motor Removal ............................................................................ 40
4.2.3.10 Paper Eject Frame Unit Removal .................................................... 40
4.2.3.11 EJ Roller Unit Removal .................................................................. 41
4.2.3.12 Front Paper Guide Removal ............................................................ 41
4.2.3.13 Upper Paper Guide Removal ........................................................... 42
4.2.3.14 Rear Paper Guide Removal ............................................................. 42
4.2.3.15 PF Roller Unit Removal .................................................................. 42
Chapter 5 ADJUSTMENT
5.1 Overview ............................................................................................................ 44
5.1.1 Conditions for Each Adjustment ............................................................... 44
Chapter 6 MAINTENANCE
6.1 Overview ............................................................................................................ 47
6.1.1 Cleaning ..................................................................................................... 47
6.1.2 Service Maintenance .................................................................................. 47
6.1.3 Lubrication ................................................................................................. 48
Chapter 7 APPENDIX
7.1 Connector Summary ........................................................................................ 52
7.1.1 Major Component Unit .............................................................................. 52
7.1.2 EEPROM Address Map ............................................................................. 54
7.2 Exploded Diagram ............................................................................................ 57
7.3 Electrical Circuits ............................................................................................. 58
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