EPSON WorkForce 600/EPSON Stylus OFFICE TX600FW/BX600FW/EPSON Stylus SX600FW/ME OFFICE 700FW Revision A
OPERATING PRINCIPLES Overview 42
Confidential
2.1.2 Motors & Sensors
EPSON WorkForce 600/EPSON Stylus OFFICE TX600FW/BX600FW/EPSON
Stylus SX600FW/ME OFFICE 700FW are 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
O6 Turbo2 head: Black: 128 nozzles x 3
Color: 128 nozzles x 3 (cyan, magenta, yellow)
2CR Motor
Type: DC motor
Drive voltage: 42 VDC ± 5 % (DRV IC voltage)
Coil resistance: 22.7
Ω ± 10 %
Inductance: 15.9 mH (1 KHz)
Drive method: PWM, constant-current chopping
3 PF Motor
Type: DC motor
Drive voltage: 42 VDC ± 5 % (DRV IC voltage)
Coil resistance: 21.2
Ω ± 10 %
Inductance: 17.2 mH (1 kHz)
Drive method: PWM, constant-current chopping
4PE Sensor
Purpose: Detection of paper top and bottom edges, for
control to set paper at the print start position
Type: Photo interrupter
5 CR Contact Module Detection of Ink cartridges (CSIC)
6 CR Encoder Sensor
Type: Photo interrupter
Resolution: 180 pulse/inch
7 PF Encoder Sensor
Type: Photo interrupter
Resolution: 180 pulse/inch
8 Cover Open Sensor
Purpose: To detect the cover’s (scanner unit) open/close
status
Type: Mechanical contact point
Table 2-2. Scanner Mechanism CIS & Motor
No. Name Specification
1CIS Unit
Resolution: 10200 pixel
16 bit per pixel (input), 8 bit per pixel (output)
2 CR Motor
Type: 2-phase 96-pole PM type stepping motor
Voltage: 42 VDC ± 5 % (DRV IC voltage)
Coil resistance: 38
Ω ± 10 % (MITSUMI) (at 25
o
C)
43
Ω ± 10 % (OKI) (at 25
o
C)
Inductance: 23 mH ± 20 % (MITSUMI) (at 1KHz, 1Vrms)
24.5 mH ± 20 % (OKI) (at 1KHz, 1Vrms)
Drive method: PWM
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