Epson RX595 - Stylus Photo Color Inkjet, Service Manual, Page: 35 / 131

EPSON Stylus Photo RX585/RX595/RX610 Revision B
Operating Principles Overview
35
2.1.2 Motors and Sensors
Figure 2-2. Motors and Sensors (Front Side of Mechanism)
Figure 2-3. Nozzle Configuration
Table 2-3. Motors and Sensors (Printer Mechanism)
No. Name Function
1 Printhead F3-MACH Turbo 2 head (6 colors x 90 nozzles)
2 CR Motor
Type: DC motor
Voltage: 42V DC ± 5% (voltage applied to the driver)
Characteristics: Armature resistance : 22.7
Ω
± 10%
Inductance : 17.5 mH ± 25%
Drive system: PWM constant-current chopping system
3 PF Motor
Type: DC motor
Voltage: 42V DC ± 5% (voltage applied to the driver)
Characteristics: Armature resistance : 21.2
Ω
± 10%
Inductance : 17.2 mH (1kHz)
Drive system: PWM system
4 PE Sensor
Function: Detection of the paper tail end, Paper leading edge
positioning control
Detection method:Transmissive-type photo-interrupter
5 CR Contact Module Ink cartridge detection (CSIC)
6 CR Encoder
Type: Transmissive-type photo-interrupter
Resolution: 180 pulse/inch
7 PF Encoder
Type: Transmissive-type photo-interrupter
Resolution: 180 pulse/inch
8 PW Sensor
Function • Paper left and right edge
(before and during printing)
• Paper top edge (before printing)
• Paper bottom edge (during printing)
• CD-R top, bottom, right and left edges
(before printing)
Detection method:Reflective photosensor
9 APG Sensor
Function: APG position detection
Detection method:Transmissive-type photo-interrupter
10 CD-R Guide Sensor
Function: CD-R Guide up/down detection
Detection method:Mechanical contact detector
11 CD-R Tray Sensor
Function: CD-R Tray presence detection
Detection method:Mechanical contact detector
12 Case Open Sensor
Function: Scanner Unit open/close detection
Detection method:Mechanical contact detector
PF Encoder
APG Sensor
CR Encoder
PW Sensor
CD-R Guide Sensor
CD-R Tray Sensor
PE Sensor
PF Motor
CR Motor
Case Open Sensor
CR Contact Module
A#3
A#2
A#1
(1) = 0.846mm (24/720inch)
(2) = 6.209mm (176/720inch)
A#90
A#89
A#88
B#3
B#2
B#1
B#90
B#89
B#88
C#3
C#2
C#1
C#90
C#89
C#88
D#3
D#2
D#1
D#90
D#89
D#88
Carriage moving direction
Paper f
eeding di
rection
0.282mm
(1/90inch)
0.141mm
(1/180inch)
(1) (1) (1)
(2) (2)
22.81mm
E#90
E#89
E#88
F#90
F#89
F#88
E#3
E#2
E#1
F#3
F#2
F#1
Color Assignment
A: Black
B: Yellow
C: Light magenta
D: Light cyan
E: Cyan
F: Magenta
A
C
D B
E F
14.95mm