Mini Thermal Receipt Printer with 57mm Paper Width, Serial (RS-232C, TTL)/Parallel Interface

Model Number: WH-A7 Thermal printer-57mm Brand Name: WH,Brightek Key Specifications/Special Features: Stylish, delicate and elegant appearanceVery silent printing thru direct thermal printing methodHigh speed and low power consumption optionSupports 3.3V low voltage systemSerial (RS-232C, TTL) interface/Parallel interfaceFunction setting, prompting for self-motion printAbundant figure/curves/characters print functionEasier paper loadingPrinting method: direct thermal linePaper loading way: easy paper loadingPaper width: 57mmPrint width: 48mm
Resolution ratio: 8 dots/mm (384 dots/line)
Life of printing head: 6 x 106 character lines
Printing speed: 40mm/sec (when the utilization rate is 25%)
Character size: 6 x 8 dots, 8 x 16 dots or 12 x 24 dots
Chinese character library: GB2312, 16 x 16 dots or 24 x 24 dots
Outline dimensions (W x H x D): 110.5 x 64 x 66mm
Installation dimensions (W x H): 103 x 57mm
Inlaid deepness: 58mm
Paper supplied: thermal roll paper (57mm wide, 30mm)
Roll core inner diameter (12mm)
Interface: serial (RS-232C, TTL)/parallel
Input power: DC 3.5 to 9V, DC 15W/5V, 3A, maximum 4A
Operating temperature: 5 to 50°C
Storage temperature: -20 to 60°C
Operating humidity: 10 to 80%
Storage humidity: 10 to 90%