Motors And Sensors - Epson Stylus Photo RX585 Service Manual

EPSON Stylus Photo RX585/RX595/RX610

2.1.2 Motors and Sensors

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