Main Unit Specifications - Epson TM-U950 Technical Manual

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Main Unit Specifications

Paper feed motors
Receipt and journal paper feeding is performed by dedicated feed motors. Slip paper feeding is
performed by using the journal paper feed motor and a journal/slip switching solenoid.
Motor type
4-phase, 48-pole PM type stepping motor
Drive voltage
24 V DC + 10% (including voltage drop caused by drive transistor)
Winding resistance
Journal paper feed motor
Receipt paper feed motor:
Current consumption (per motor)
Journal paper feed motor
Peak current:
Average current:
Hold current
Receipt paper feed motor
Peak current:
Average current:
Hold current:
Drive frequency
500 pps (minimum pulse interval 2.00 ms)
Drive principle
Constant voltage drive, 2-2 phase induction
Carriage motor
Motor type
4-phase, 48-pole PM type stepping motor
1-14 Features and General Specifications
35 Ω ± 7% at 25°C (77°F), per phase
42 Ω ± 7% at 25°C (77°F), per phase
1.94A in worst case
615 mA at rated speed; 25°C (77°F), 24 V DC, 500 pps
930 mA max. in worst case
92.5+42.5 mA per phase at normal hold, 25°C (77°F)
1.5 A in worst case
510 mA at rated speed; 25°C (77°F), 24 V DC, 500 pps
770 mA max. in worst case
Approx. 130 ± 50 mA per phase at normal hold, 25 C (77 F)
° °
Rev. A