Motors & Sensors - Epson R260 - Stylus Photo Color Inkjet Printer Service Manual

EPSON Stylus Photo R260/R265/R270, R360/R380/R390
2.1.2 Motors & Sensors
Table 2-3. List of Motors & Sensors
No. Motor/Sensor Name
1 Printhead F3-MACH head (6 colors x 90 nozzles)
Type: DC motor
Drive voltage: 42V DC
2 CR motor
Coil resistance: 22.7
Inductance: 17.5mH
Drive method: PWM constant-current chopping
Type: DC motor
Drive voltage: 42V DC
3 PF motor
Coil resistance: 21.2
Inductance: 17.2mH (1 kHz)
Drive method: PWM
Detecting items: paper end, leading edge of paper
4 PE sensor
Type: Transmissive photo interrupter
5 Ink cartridge detector CSIC
Type: Transmissive photo interrupter
6 PTS sensor (CR)
Resolution: 180 pulse/inch
Type: Transmissive photo interrupter
7 PTS sensor (PF)
Resolution: 180 pulse/inch
Detecting items:
• Left/right edges of paper (before/during printing)
• Top edge of paper (before printing)
8 PW sensor
• Bottom edge of paper (during printing)
• Left/right/top/bottom of CDR (before printing)
Type: Reflective photo interrupter
Detecting items: APG position
9 APG sensor
Type: Transmissive photo interrupter
Detecting items: Up/Down status of the CDR Guide
10 CDR Guide sensor
Type: Mechanical contact
Detecting items: Presence of CDR tray
11 CDR Tray sensor
Type: Mechanical contact
Operating Principles
Function
±
5% (voltage applied to the driver)
±
Ω 10%
±
25%
±
5% (voltage applied to the driver)
±
Ω 10%
Overview
APG Sensor
PF Motor
PF Encoder Sensor
PW Sensor
CDR Tray Sensor
CDR Guide Sensor
Figure 2-2. Motors & Sensors in the Printer Mechanism
Revision B
CR Encoder Sensor
CR Motor
PE Sensor
CSIC
25