Motors & Sensors - Epson WorkForce 600 Service Manual

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