Epson L800 Service Manual

L800/L801 Revision A
7
Confidential
CONTENTS
Chapter 1 Disassembly/Reassembly
1.1 Overview ............................................................................................................ 10
1.1.1 Tools ........................................................................................................ 10
1.1.2 Checks and Precautions before Disassembling ....................................... 10
1.1.3 Protection for Transportation .................................................................. 14
1.1.4 Making a Special Tool for Holder Contact ............................................. 15
1.1.5 Orientation Definition ............................................................................. 16
1.1.6 How to Unlock the Carriage.................................................................... 16
1.2 Disassembly/Reassembly Procedures ................................................................ 17
1.2.1 Overview ................................................................................................. 17
1.2.2 Disassembly Flowchart ........................................................................... 18
1.3 Removing Exterior Parts/Components............................................................... 24
1.3.1 Printer Cover ........................................................................................... 24
1.3.2 Paper Support Assy ................................................................................. 24
1.3.3 Stacker Assy / Stacker Cover .................................................................. 25
1.3.4 Housing Upper Assy................................................................................ 25
1.4 Removing Control Boards .................................................................................. 27
1.4.1 Main Board Unit...................................................................................... 27
1.4.2 Panel Assy/ Cover Open Sensor.............................................................. 30
1.4.3 P/S Assy................................................................................................... 34
1.5 Disassembling the Printer Mechanism ............................................................... 35
1.5.1 Removing the Printer Mechanism ........................................................... 35
1.5.2 Printhead.................................................................................................. 37
1.5.3 CR Scale .................................................................................................. 40
1.5.4 APG Unit ................................................................................................. 41
1.5.5 Waste Ink Tray ........................................................................................ 42
1.5.6 Waste Ink Pad Lower / Waste Ink Pad Cap Lower ................................. 43
1.5.7 Left & Right Guide Stackers / CDR Guide Sensor ................................. 44
1.5.8 Ink System ............................................................................................... 45
1.5.9 EJ Frame Assy ......................................................................................... 46
1.5.10 PF Encoder / PF Scale ........................................................................... 49
1.5.11 PF Motor................................................................................................ 49
1.5.12 CR Motor............................................................................................... 50
1.5.13 CR Unit.................................................................................................. 52
1.5.14 ASF Unit................................................................................................ 54
1.5.15 Upper Paper Guide ................................................................................ 56
1.5.16 APG Sensor Assy .................................................................................. 57
1.5.17 Front Paper Guide Assy ........................................................................ 57
1.5.18 CDR Tray Sensor .................................................................................. 60
1.6 Disassembling the CISS section......................................................................... 61
1.6.1 Refilling Ink Label / Valve Position Label ............................................. 61
1.6.2 Top Cover................................................................................................ 61
1.6.3 Tube Valve Holder Front / Rear.............................................................. 62
1.6.4 Valve Lever ............................................................................................. 62
1.6.5 Bottom Cover / Left Cover / Right Cover / Cover Joint ......................... 63
1.6.6 Ink Supply Tank Assy ............................................................................. 64
1.6.7 Ink Supply Tank Tube Assy.................................................................... 64
1.6.8 Joint ......................................................................................................... 65
1.6.9 Cover Case .............................................................................................. 65
1.6.10 PF Scale Cover / PF Scale Sheet ........................................................... 66
1.6.11 Tube Guide Sheet / Tube Guide Sheet Sub ........................................... 66
1.6.12 Ink Supply Tube Assy ........................................................................... 67
1.6.13 Adapter Cover ....................................................................................... 68
1.6.14 Adapter .................................................................................................. 68
Chapter 2 Adjustment
2.1 Adjustment Items and Overview........................................................................ 70
2.1.1 Servicing Adjustment Item List .............................................................. 70
2.1.2 Required Adjustments ............................................................................. 74
2.2 Using the Adjustment Program .......................................................................... 77
2.2.1 Top Margin Adjustment .......................................................................... 77
2.2.2 Head Angular Adjustment....................................................................... 77
2.2.3 Bi-D Adjustment ..................................................................................... 78
2.2.4 PW Adjustment/First Dot Position Adjustment ...................................... 79
2.2.5 PF Adjustment......................................................................................... 80
2.2.6 PG Adjustment ........................................................................................ 81

Epson L800 Specifications

General

Print technology	Inkjet
Maximum resolution	5760 x 1440 DPI
Print speed (10x15 cm)	12 s
Print speed (black, draft quality, A4/US Letter)	37 ppm
Print speed (color, draft quality, A4/US Letter)	38 ppm
Printing sizes	10 x 15 cm
Maximum print size	216 x 356 mm
ISO A-series sizes (A0...A9)	A4, A6
Photo paper sizes (imperial)	4x6, 8x10 \
Total input capacity	120 sheets
Product color	Black
Built-in display	No
Market positioning	Home & office
Number of printing colors	6
USB port	Yes
Direct printing	-
USB 2.0 ports quantity	1
AC input voltage	100 - 120 V
AC input frequency	50 - 60 Hz
Power consumption (printing)	13 W
Sustainability certificates	ENERGY STAR
Operating temperature (T-T)	5 - 40 °C
Operating relative humidity (H-H)	20 - 80 %
Connectivity technology	Wired
Mac operating systems supported	Mac OS X 10.5 Leopard, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion
Windows operating systems supported	Windows 7 Home Basic, Windows 7 Home Premium, Windows 7 Professional, Windows 7 Starter, Windows 7 Ultimate, Windows Vista Business, Windows Vista Enterprise, Windows Vista Home Basic, Windows Vista Home Premium, Windows Vista Ultimate, Windows XP Home, Windows XP Professional, Windows XP Professional x64

Weight and Dimensions

Depth	289 mm
Width	537 mm
Height	188 mm