Epson TM-U950 Technical Manual

1-14 Features and General Specifications Rev. A
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 35 Ω ± 7% at 25°C (77°F), per phase
Receipt paper feed motor: 42 Ω ± 7% at 25°C (77°F), per phase
Current consumption (per motor)
❏ Journal paper feed motor
Peak current: 1.94A in worst case
Average current: 615 mA at rated speed; 25°C (77°F), 24 V DC, 500 pps
930 mA max. in worst case
Hold current 92.5+42.5 mA per phase at normal hold, 25°C (77°F)
❏ Receipt paper feed motor
Peak current: 1.5 A in worst case
Average current: 510 mA at rated speed; 25°C (77°F), 24 V DC, 500 pps
770 mA max. in worst case
Hold current: Approx. 130 ± 50 mA per phase at normal hold, 25
°
C (77
°
F)
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
CONFIDENTIAL

Epson TM-U950 Specifications

General

Print speed	18.6 ips
Character size	1.3 x 3.1 mm
Print technology	Dot matrix
Paper dimensions	210 x 297 mm
Dimensions (WxDxH)	251 x 298 x 194.5 mm
Electromagnetic compatibility	VCCI, FCC, CE
Safety	UL, CSA
Country of origin	China
Mean time between failures (MTBF)	180000 h
Serial interface	Yes
Standard interfaces	RS-232C
Weight (imperial)	12.3 lbs
Pallet width	1200 mm
Pallet height	1000 mm
Pallet length (UK)	2250 mm
Quantity per pallet	24 pc(s)
Quantity per pallet (UK)	36 pc(s)
Quantity per pallet layer	4 pc(s)
Harmonized System (HS) code	84433210
Quantity per pallet layer (UK)	6 pc(s)
Package depth	425 mm
Package width	360 mm
Package height	330 mm
Package weight	7196 g
Quantity per pack	1 pc(s)

Weight and Dimensions

Depth	298 mm
Width	186 mm
Height	195 mm