Epson RX580 - Stylus Photo Color Inkjet, Service Manual

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EPSON Stylus PHOTO RX560/580/590 Revision A
Operating Principles Overview 17
2.1.2 Motors and Sensors
Figure 2-2. Motors and Sensors (Front Side of Mechanism)
Figure 2-3. Motors and Sensors (Scanner Unit)
Table 2-3. Motors and Sensors (Printer Mechanism)
No. Name Function
1 Printhead F3-MACH 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 system, 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 detector
Function: Detection of the paper tail end, Paper leading edge
positioning control
Detection method:Transmissive-type photo-interrupter
5 Ink Cartridge detector CSIC board
6 PTS detector (CR)
Type: Linear encoder
Resolution: 180 pulse/inch
7 PTS detector (PF)
Type: Linear encoder
Resolution: 180 pulse/inch
8 PW detector
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 detector
Function: APG position detection
Detection method:Transmissive-type photo-interrupter
10 CD-R Guide detector
Function: CD-R Guide up/down detection
Detection method:Mechanical contact detector
11 CD-R Tray detector
Function: CD-R Tray presence detection
Detection method:Mechanical contact detector
Table 2-4. Motors and Sensors (Scanner Unit)
No. Name Function
1 CR Motor
Type: DC motor
Voltage: 42V DC ± 5% (voltage applied to the driver)
Drive system: VrefPWM input constant-current chopping system
2 Encoder sensor
Type: Linear encoder
Resolution 180 pulse/inch
PF Encoder
APG Sensor
CR Encoder
PW Sensor
CD-R Guide Sensor
CD-R Tray Sensor
CSIC board
PE Sensor
PF Motor
CR Motor
CIS Unit
CR Encoder
CR Motor