Motors And Sensors - Epson Stylus Photo RX 560 Service Manual

EPSON Stylus PHOTO RX560/580/590

2.1.2 Motors and Sensors

Table 2-3. Motors and Sensors (Printer Mechanism)
No. Name
1 Printhead F3-MACH 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 detector
Detection method:Transmissive-type photo-interrupter
5 Ink Cartridge detector CSIC board
Type:
6 PTS detector (CR)
Resolution:
Type:
7 PTS detector (PF)
Resolution:
Function
8 PW detector
Detection method:Reflective photosensor
Function:
9 APG detector
Detection method:Transmissive-type photo-interrupter
Function:
10 CD-R Guide detector
Detection method:Mechanical contact detector
Function:
11 CD-R Tray detector
Detection method:Mechanical contact detector
Table 2-4. Motors and Sensors (Scanner Unit)
No. Name
Type:
1 CR Motor Voltage:
Drive system:
Type:
2 Encoder sensor
Resolution
Operating Principles
Function
DC motor
42V DC ± 5% (voltage applied to the driver)
: 22.7 Ω ± 10%
Inductance : 17.5 mH ± 25%
PWM system, 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
Linear encoder
180 pulse/inch
Linear encoder
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
Function
DC motor
42V DC ± 5% (voltage applied to the driver)
VrefPWM input constant-current chopping system
Linear encoder
180 pulse/inch
APG Sensor
PF Encoder
CD-R Tray Sensor
CD-R Guide Sensor
Figure 2-2. Motors and Sensors (Front Side of Mechanism)
CR Motor
CR Encoder
Figure 2-3. Motors and Sensors (Scanner Unit)
Overview
PF Motor
CR Encoder
PW Sensor
CSIC board
PE Sensor
CIS Unit
Revision A
CR Motor
17