Epson Artison 800 - 2.1 Overview; 2.1.1 Printer Mechanism; 2.1.2 Printhead

Epson Artisan 800/Epson Stylus Photo PX800FW/TX800FW/Epson Artisan 700/Epson Stylus Photo PX700W/TX700W Revision C
OPERATING PRINCIPLES Overview 48
Confidential
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.
Figure 2-1. Printer Mechanism Block Diagram
2.1.2 Printhead
 Printing method : On demand inkjet (F6-Shrink head)
 Nozzle
The nozzle layout as seen from behind the printhead is shown below.
Figure 2-2. Nozzle Layout
PF Encoder
PW Sensor
CR Encoder
PF Roller
EJ Roller
Carriage Assy
Printhead
Cartridge
Box Unit
Ink System Decompression
Motor
(1) CDR Tray
Sensor
(3) Duplex Unit
Sensor
(1)
PF Motor
(2) Photo Tray
Sensor
CR Motor
PE Sensor
Carriage Shaft
EJ Cover Open
(Plunger)
(2)
(3)
CDR Tray
Intermediate
Roller
Cover Open
Sensor
EJ Frame Assy
LD Roller
Pick-up
Roller
Color Bk, C, M, Y, Lc, Lm (6 colors)
Nozzle 1,080 nozzle (Each color 180 nozzle x 6 lines)
Nozzle pitch 0.141 mm for each line (1/180 inch)
B#180
B#179
B#178
B#3
B#2
B#1
D#180
D#179
D#178
D#3
D#2
D#1
A#180
A#179
A#178
A#3
A#2
A#1
C#180
C#179
C#178
C#3
C#2
C#1
F#180
F#179
F#178
F#3
F#2
F#1
E#180
E#179
E#178
E#3
E#2
E#1
Paper feed direction
Carriage movement direction
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