Service manual

Epson Stylus NX100/105/SX100/105/TX100/101/102/103/105/106/109/ME 300/ME OFFICE 360/NX110/115/SX110/115/TX110/111/112/113/115/117/119 Revision C
OPERATING PRINCIPLES Overview 29
Confidential
2.1.2 Motors & Sensors
NX100 series and NX110 series printer mechanism 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 Refer to“ 2.1.3 Printhead ” (p.30)
2 CR Motor
Type: DC motor
Drive voltage: 42VDC +/- 5% (DRV IC voltage)
Coil resistance: TBD
Inductance: TBD
Drive method: PWM, constant-current chopping
3 PF Motor
Type: DC motor
Drive voltage: 42VDC +/- 5% (DRV IC voltage)
Coil resistance: TBD
Inductance: TBD
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: TBD
7 PF Encoder Sensor
Type: Photo interrupter
Resolution: TBD
Table 2-2. Scanner Mechanism CIS & Motor
No. Name Specification
1 CIS Unit
Resolution :600 dpi (Main) x 1200 dpi (Sub)
Pixel Depth :16 bit per pixel (input)
1, 8 bit per pixel (output)
2 CR Motor
Type :TBD
Voltage :TBD
Coil resistance :TBD
Inductance :TBD
Drive method :PWM
PF Encoder Sensor
CR Contact Module
PE Sensor
Printhead
CR Motor
PF Motor
CR Encoder Sensor
CIS Unit
CR Motor