Epson Stylus Photo TX800FW

Epson Artisan 800/Epson Stylus Photo PX800FW/TX800FW/Epson Artisan 700/Epson Stylus Photo PX700W/TX700W
Revision C
OPERATING PRINCIPLES
Overview
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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.
2.1.2 Printhead
Printing method : On demand inkjet (F6-Shrink head)
 Nozzle
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)
The nozzle layout as seen from behind the printhead is shown below.
EJ Roller
PF Roller
EJ Cover Open
(Plunger)
PF Motor
PF Encoder
CDR Tray
Intermediate
Roller
PW Sensor
Carriage Assy
CR Encoder
Printhead
EJ Frame Assy
Carriage Shaft
PE Sensor
Cover Open
Sensor
(1) (2)
(3)
Pick-up
Roller
LD Roller
(1) CDR Tray
Sensor
(2) Photo Tray
Sensor
(3) Duplex Unit
Carriage movement direction
Figure 2-2. Nozzle Layout
Cartridge
Box Unit
Ink System CR Motor Decompression
Motor
Sensor
A#180
A#179
A#178
A#3
A#2
A#1
Paper feed direction
B#180
C#180
D#180
E#180
F#180
B#179
C#179
D#179
E#179
F#179
B#178
C#178
D#178
E#178
F#178
B#3
D#3
F#3
B#2
B#1
C#3
C#2
C#1
D#2
D#1
E#3
E#2
E#1
F#2
F#1