Epson Stylus Photo R390 - Page 6

EPSON Stylus Photo R260/R265/R270, R360/R380/R390 Revision B
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4.2.8 Right Front Housing / Left Front Housing .............................................. 72
4.2.9 Front Housing.......................................................................................... 73
4.3 Removing Control Boards.................................................................................. 76
4.3.1 Removing the USB Board (R260/R265/R270 only) ............................... 76
4.3.2 Removing the Main Board Unit .............................................................. 78
4.3.3 Disassembling the Main Board Unit ....................................................... 80
4.3.4 Removing the Card Board (R360/R380/R390 only) ............................... 82
4.3.5 Disassembling the Panel Unit.................................................................. 83
4.3.6 Middle Housing ...................................................................................... 86
4.4 Removing the Printer Mechanism ...................................................................... 87
4.4.1 Removing the Printer Mechanism ........................................................... 87
4.5 Disassembly of the Printer Mechanism............................................................. 89
4.5.1 CR Scale ................................................................................................. 89
4.5.2 APG Unit ................................................................................................ 90
4.5.3 Printhead................................................................................................. 91
4.5.4 Waste Ink Pad......................................................................................... 94
4.5.5 P/S Assy.................................................................................................. 94
4.5.6 Stacker Assy ........................................................................................... 95
4.5.7 Ink System .............................................................................................. 97
4.5.8 CR Motor................................................................................................ 99
4.5.9 EJ Frame Assy....................................................................................... 100
4.5.10 PF Encoder / PF Scale / PF Motor...................................................... 102
4.5.11 ASF Unit............................................................................................. 104
4.5.12 CR Unit............................................................................................... 105
4.5.13 Upper Paper Guide ............................................................................. 108
4.5.14 Front Paper Guide Assy/APG Sensor Assy........................................ 109
4.5.15 CDR Guide Detection Assy................................................................. 111
Chapter 5 Adjustment
5.1 Adjustment Items and Overview ...................................................................... 113
5.1.1 Servicing Adjustment Item List............................................................. 113
5.1.2 Replacement Part Adjustment Items ..................................................... 116
5.2 Adjustment by Using Adjustment Program ..................................................... 118
5.2.1 Top Margin Adjustment ........................................................................ 118
5.2.2 Head angular adjustment ....................................................................... 118
5.2.3 Bi-D Adjustment ................................................................................... 119
5.2.4 PW Adjustment/First Dot Adjustment .................................................. 120
5.2.5 PF Adjustment ....................................................................................... 121
5.2.6 PG Adjustment ...................................................................................... 122
5.3 Banding Reduction System (BRS) Adjustment/ Paper Feed Amount
Profile (PFP) Correction................................................................................... 124
5.3.1 Overview ............................................................................................... 124
5.3.2 Adjustment Procedure ........................................................................... 125
Chapter 6 Maintenance
6.1 Overview .......................................................................................................... 130
6.1.1 Cleaning................................................................................................. 130
6.1.2 Service Maintenance ............................................................................. 130
6.1.3 Lubrication ............................................................................................ 131
Chapter 7 Appendix
7.1 Exploded Diagram / Parts List ......................................................................... 138
7.2 Electrical Circuits ............................................................................................. 138