Overview; Printer Mechanism; Printhead - Epson Artisan 810 Service Manual

Epson Artisan 810/835/837/710/725/730/Epson Stylus Photo PX810FW/TX810FW/PX820FWD/TX820FWD/PX830FWD/PX710W/TX710W/PX720WD/TX720WD/PX730WD/TX730WD

2.1 Overview

Description in this chapter is applied to Epson Artisan 810/710/Epson
C H E C K
Stylus Photo PX810FW/TX810FW/PX710W/TX710W but some of it can
P O I N T
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:
Motors & sensors configuration for Epson Artisan 837/730/
Epson Stylus Photo PX830FWD/PX730WD/TX730WD:
9.2.1 Motors & Sensors (p.285)
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.
PF Motor
EJ Roller
PF Roller
PW Sensor
Carriage Assy
CR Encoder

Printhead

EJ Frame Assy
Carriage Shaft
PE Sensor
Cover Open
Sensor
Cartridge
Box Unit
Ink System
Figure 2-1. Printer Mechanism Block Diagram
OPERATING PRINCIPLES
8.2.1 Power-On Sequence (p.255)
PF Encoder
Intermediate
Roller
CDR Tray
Pick-up
Roller
LD Roller
(1)
(2)
(1) Photo Tray
Sensor
(2) Duplex Unit
Sensor
CR Motor Decompression
Motor
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
C#180 E#180
B#179 D#179
C#179 E#179
B#178 D#178
C#178 E#178
B#3 D#3
C#3 E#3
B#2 D#2
C#2 E#2
B#1 D#1
C#1 E#1
Carriage movement direction
Figure 2-2. Nozzle Layout
Revision G
F#180
F#179
F#178
F#3
F#2
F#1
49
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