Epson LQ-2550 Technical Manual page 59

Table 2-9. Carriage Movement Mechanism Specifications
Motor
CR motor;
Refer to Table 2-10.
Item
Type
Drive Voltage
Coil Resistance
Driving Frequency
Driving Method
Item
Type
Drive Voltage
Item
Type
Drive Voltage
Driving Method
Step Movement
Timing belt 1/1 20''/step
(MIN.)
Table 2-10. CR Motor Specifications
Description
200-pole PM type step-
Four-phase
per motor
35 VDC
2.15 ohms & 10%
4000 PPS
2667 PPS
2000 PPS
1333 PPS
667 PPS
Constant current chopper drive
Table 2-11. CR HP Sensor Specifications
Description
Photo-interrupter
5 VDC
Table 2-12. PW Sensor Specifications
Description
Photo-reflector
5 VDC
Carriage Per
CR HP sensor
Refer to
Table 2-11.
2-2 phase excitation
1-2 phase excitation
2 - 1 2
Sensor
Refer to
Table 2-12.
Remarks
Remarks
Remarks