Epson Stylus PhotoR280 - Page 7

EPSON Stylus Photo R280/R285/R290 Revision B
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4.4 Disassembling the Printer Mechanism ............................................................... 69
4.4.1 Removing the Printer Mechanism ........................................................... 69
4.4.2 Printhead.................................................................................................. 72
4.4.3 CR Scale .................................................................................................. 74
4.4.4 APG Unit ................................................................................................. 75
4.4.5 Waste Ink Tray ........................................................................................ 77
4.4.6 Waste Ink Pad.......................................................................................... 77
4.4.7 Left & Right Guide Stackers / CDR Guide Sensor ................................. 78
4.4.8 Ink System ............................................................................................... 79
4.4.9 EJ Frame Assy......................................................................................... 80
4.4.10 PF Encoder / PF Scale ........................................................................... 83
4.4.11 PF Motor................................................................................................ 83
4.4.12 CR Motor............................................................................................... 84
4.4.13 CR Unit.................................................................................................. 86
4.4.14 ASF Unit................................................................................................ 88
4.4.15 Upper Paper Guide ................................................................................ 90
4.4.16 APG Sensor Assy .................................................................................. 91
4.4.17 Front Paper Guide Assy......................................................................... 92
4.4.18 CDR Tray Sensor .................................................................................. 94
Chapter 5 Adjustment
5.1 Adjustment Items and Overview ........................................................................ 96
5.1.1 Servicing Adjustment Item List............................................................... 96
5.1.2 Required Adjustments ............................................................................. 99
5.2 Using the Adjustment Program ........................................................................ 101
5.2.1 Top Margin Adjustment ........................................................................ 101
5.2.2 Head Angular Adjustment ..................................................................... 101
5.2.3 Bi-D Adjustment ................................................................................... 102
5.2.4 PW Adjustment/First Dot Position Adjustment .................................... 103
5.2.5 PF Adjustment ....................................................................................... 104
5.2.6 PG Adjustment ...................................................................................... 105
5.3 Banding Reduction System (BRS) Adjustment / Paper Feed Amount Profile (PFP)
Correction ......................................................................................................... 107
5.3.1 Overview ............................................................................................... 107
5.3.2 Adjustment Procedure ........................................................................... 109
Chapter 6 Maintenance
6.1 Overview .......................................................................................................... 113
6.1.1 Cleaning................................................................................................. 113
6.1.2 Service Maintenance ............................................................................. 113
6.1.3 Lubrication ............................................................................................ 114
Chapter 7 Appendix
7.1 Exploded Diagram / Parts List ......................................................................... 121
7.2 Electrical Circuits............................................................................................. 121