Specifications
Print Method	9-pin, serial impact dot matrix
Print Font	7 × 9 / 9 × 9
	Column capacity	Receipt (Journal): 40 / 30 columns Slip: 88 / 66 columns
	Character size	1.3 × 3.1 mm (W × H) / 1.6 × 3.1 mm (W × H) {0.05 × 0.12" / 0.06 × 0.12"}
	Character set	95 Alphanumeric characters, 32 International characters, 128 × 8 Graphic characters
	Characters per 25.4 mm	16.7 cpi / 12.5 cpi
Print Speed	311 cps / 233 cps
Data Buffer	2 KB or 32 bytes
Interfaces	RS-232C / Bi-directional parallel
Paper Dimensions	Receipt (Journal): roll paper 69.5 ± 0.5 (W) × diameter 83.0 mm {2.73 ± 0.02 × diameter 3.27"} Slip: 70 to 210 × 70 to 297 mm (W × L) {2.76 to 8.27 × 2.76 to 11.69"}
Paper Thickness	Receipt (Journal): 0.06 to 0.09 mm {0.0024 to 0.0035"} Slip: 0.09 to 0.36 mm {0.0035 to 0.0142"}, Validation: 0.09 to 0.2 mm {0.0035 to 0.0079"}
Copy Capability	One original and four copies (for slip)
Inked Ribbon	ERC-31 (purple, black)
Ribbon Life	7,000,000 characters (purple), 4,500,000 characters (black)
Power	24 VDC ± 10%
Current Consumption	Approx. 1.8A (at VDC)
D.K.D. Function	2 drivers
Reliability	MTBF	180,000 hours
	MCBF	18,000,000 lines
Overall Dimensions	251 × 298 × 194.5 mm (W × D × H) {9.9 × 11.7 × 7.7"} (TM-U950) 251 × 298 × 193.7 mm (W × D × H) {9.9 × 11.7 × 7.6"} (TM-U925)
Mass	Approx. 5.6 kg {12.3 lb}
EMI Standards	VCCI class A, FCC class A, CE marking
Safety Standards	UL, CSA