Overview; Printer Mechanism; Printhead - Epson Artison 800 Service Manual

Epson Artisan 800/Epson Stylus Photo PX800FW/TX800FW/Epson Artisan 700/Epson Stylus Photo PX700W/TX700W

2.1 Overview

This section describes the operating principles of the Printer Mechanism of Epson
Artisan 800/Epson Stylus Photo PX800FW/TX800FW/Epson Artisan 700/Epson
Stylus Photo PX700W/TX700W.

2.1.1 Printer Mechanism

The following describes the mechanism, motors and sensors that construct the printer.
PF Motor
EJ Roller
PF Roller
EJ Cover Open
(Plunger)
PW Sensor
Carriage Assy
CR Encoder

Printhead

EJ Frame Assy
Carriage Shaft
PE Sensor
Cover Open
Sensor
Cartridge Ink System
Box Unit
Figure 2-1. Printer Mechanism Block Diagram
OPERATING PRINCIPLES
PF Encoder
CDR Tray
Intermediate
Roller
Pick-up
Roller
LD Roller
(1) (2)
(3)
(1) CDR Tray
Sensor
(2) Photo Tray
Sensor
(3) Duplex Unit
Sensor
CR Motor Decompression
Motor
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2.1.2 Printhead
Printing method : On demand inkjet (F6-Shrink head)
Nozzle
Color
Nozzle
Nozzle pitch
The nozzle layout as seen from behind the printhead is shown below.
A#180
A#179
A#178
A#3
A#2
A#1
Overview
Bk, C, M, Y, Lc, Lm (6 colors)
1,080 nozzle (Each color 180 nozzle x 6 lines)
0.141 mm for each line (1/180 inch)
B#180 D#180 F#180
C#180 E#180
B#179 D#179 F#179
C#179 E#179
B#178 D#178 F#178
C#178 E#178
B#3 D#3 F#3
C#3 E#3
B#2 D#2 F#2
C#2 E#2
B#1 D#1 F#1
C#1 E#1
Carriage movement direction
Figure 2-2. Nozzle Layout
Revision C
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