Epson Stylus SX205 - 2.1.2 Motors & Sensors

EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200 series/SX200 series/Stylus CX8300/CX8400/DX8400/NX400/TX400 series/SX400 series Revision C
OPERATING PRINCIPLES Overview 43
Confidential
2.1.2 Motors & Sensors
EPSON Stylus CX7300/CX7400/DX7400/NX200/TX200/TX203/TX209/SX200/
SX205 and Stylus CX8300/CX8400/DX8400/NX400/TX400/TX405/TX409/SX400/
SX405 printer mechanism is equipped with the following printhead, motors and
sensors.
Figure 2-2. Motors & Sensors in Printer Mechanism
Figure 2-3. CIS Unit and CR Motor in Scanner Mechanism
Table 2-1. Printer Mechanism Motors & Sensors
No. Name Specification
1 Printhead D4 Turbo2 head (4 colors x 90 nozzles)
2 CR Motor
Type: DC motor
Drive voltage: 42VDC +/- 5% (DRV IC voltage)
Coil resistance: 28.8Ω +/- 10%
Inductance: 20.1mH (1KHz)
Drive method: PWM, constant-current chopping
3 PF Motor
Type: DC motor
Drive voltage: 42VDC +/- 5% (DRV IC voltage)
Coil resistance: 21.2Ω +/- 10%
Inductance: 17.2 mH (1kHz)
Drive method: PWM, constant-current chopping
4 PE Sensor
Purpose : Detection of paper top and bottom edge, for control
to set paper at the print start position
Type: Photo interrupter
5 CR Contact Module CSIC board
6 CR Encoder Sensor
Type: Photo interrupter
Resolution: 180 pulse/inch
7 PF Encoder Sensor
Type: Photo interrupter
Resolution: 180 pulse/inch
Table 2-2. Scanner Mechanism CIS & Motor
No. Name Specification
1 CIS Unit
Resolution: 10200 pixel
16 bit per pixel (input), 8bit per pixel (output)
2 CR Motor
Type: 2-phase 96-pole PM type stepping motor
Voltage: 42VDC+/-10% (DRV IC voltage)
Coil resistance: 43Ω +/- 10% (OKI)/48Ω +/- 10% (MITSUMI)
(at 25C)
Inductance: 24.5mH+/-20% (OKI)/29mH+/-20% (MITSUMI)
(at 1KHz, 1Vrms)
Drive method: PWM
CR Motor
PF Motor
CR Encoder Sensor
PF Encoder Sensor
CR Contact Module
PE Sensor
Printhead
CIS Unit
CR Motor