Paper Width(s): 4″ (112-115 mm)
Print Width: 89.6
Print Speed: 31 CPS
Chars per Line: 40
Print Resolution: 3.5mm
Dot Composition: 9 x 320
Paper Path: curved
Paper Thickness: 65 +/-5
Paper Feed Pitch: 0.28
Paper Roll Diameter: 48mm
Interfaces: Parallel, Serial
Dimensions: 153×44.5×20
Weight: 135
Operating Temp: 0 to 50
Operating Voltage: 5.0 +/-10%
Peak Current: 3.5 @ Vp=5.0
Reliability: 500,000 characters lines

STP411FG Technical Reference