Epson Artisan 810/835/837/710/725/730/Epson Stylus Photo PX810FW/TX810FW/PX820FWD/TX820FWD/PX830FWD/PX710W/TX710W/PX720WD/TX720WD/PX730WD/TX730WD
Revision G
OPERATING PRINCIPLES Overview 49
Confidential
2.1 Overview
This section describes the operating principles of the Printer Mechanism of this printer.
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
Description in this chapter is applied to Epson Artisan 810/710/Epson
Stylus Photo PX810FW/TX810FW/PX710W/TX710W but some of it can
also be applied to Epson Artisan 835/837/725/730/Epson Stylus Photo
PX820FWD/TX820FWD/PX830FWD/PX720WD/TX720WD/PX730WD/
TX730WD. Refer to the following for the difference from Epson Artisan
810/710/Epson Stylus Photo PX810FW/TX810FW/PX710W/TX710W.
Power-on sequence for Epson Artisan 835/837/725/730/Epson Stylus
Photo PX820FWD/TX820FWD/PX830FWD/PX720WD/TX720WD/
PX730WD/TX730WD:
8.2.1 Power-On Sequence (p.255)
Motors & sensors configuration for Epson Artisan 837/730/
Epson Stylus Photo PX830FWD/PX730WD/TX730WD:
9.2.1 Motors & Sensors (p.285)
PF Encoder
PW Sensor
CR Encoder
PF Roller
EJ Roller
Carriage Assy
Printhead
Ink System
(2) Duplex Unit
Sensor
PF Motor
(1) Photo Tray
Sensor
CR Motor
PE Sensor
Carriage Shaft
(1)
(2)
Intermediate
Roller
Cover Open
Sensor
EJ Frame Assy
LD Roller
Pick-up
Roller
Decompression
Motor
CDR Tray
Cartridge
Box Unit
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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