Epson Artisan 810/835/837/710/725/730/Epson Stylus Photo PX810FW/TX810FW/PX820FWD/TX820FWD/PX830FWD/PX710W/TX710W/PX720WD/TX720WD/PX730WD/TX730WD
Revision G
Artisan 837/730/PX830FWD/PX730WD/TX730WD
  Operation principles 285
Confidential
9.2  Operation principles
This section describes the motors and sensors for Artisan 837/730/PX830FWD/
PX730WD/TX730WD.
The power-on sequence is the same as those of Artisan 835/725/PX820FWD/
TX820FWD/PX720WD/TX720WD. (See 
" 8.2.1 Power-On Sequence" (p.255).)
For the information on other than the power-on sequence and information provided in 
this section, see 
Chapter 2 "OPERATING PRINCIPLES" (p.48).
9.2.1  Motors & Sensors
The following describes the motors and sensors.
Figure 9-1.  Motors & Sensors (Printer)
Table 9-1.  Motors & Sensors (Printer)
Name Motors & Sensors name #
Printhead
---
Carriage mechanism
CR Motor
A
CR Encoder
1
PW Sensor
2
Open/close detection 
mechanism
Scanner Open Sensor
3
Paper feeding mechanism
PF Motor
B
PF Encoder
4
PE Sensor
5
Front Cover Open (Electromagnetic Plunger)
6
Photo Tray Sensor
7
Ink Supply mechanism Decompression Motor
C
Duplex Printing mechanism Duplex Unit Sensor
8
 The sensor positions for Artisan 837/730/PX830FWD/
PX730WD/TX730WD are different from those for the others 
because the Front Cover Open (Electromagnetic Plunger) is 
mounted.
 See below for the motors and sensors specifications.
  • Specifications for Front Cover Open (Electromagnetic 
Plunger)
 
"Motor and sensor troubleshooting" (p287)
  • Specifications for the motors and sensors other than those 
above.
 
" 3.2.1  Motor and Sensor Troubleshooting " (p.62)