Model Number: WH-A9 Panel Thermal Printer-Paralle Brand Name: WH,Brightek Key Specifications/Special Features: Features:Very silent printing through direct thermal printing method high speed (50mm/sec, based on character ratio 25%)High-speed and low power consumption option supports 3.3V low voltage system supports 3.5 to 9V power (best performance when 7.2 to 8.5V)/12 to 24Vserial (RS-232C, TTL)/parallel interface abundant figure/curves/characters print function easier paper loadingSpecifications:

Printing method: direct thermal line

Printing paper out detection: paper end sensors function

Paper loading way: easy paper loading

Paper width: 57mm

Print width: 48mm

Resolution ratio: 8 dots/mm (384 dots/line)

Lifespan of printing head: 6 x 106 character lines

Printing speed: 50mm/sec (when the character ratio is 25%)

Character: 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): 84 x 98 x 57mm

Installation dimensions (W x H): 78 x 92mm

Inlaid deepness: 54mm paper

Supplied: thermal roll paper (57mm wide, 50mm)

Interface: serial (RS-232C, TTL)/parallel input

Power: 3.5 to 9V DC, 15W/5V DC, 3A/12 to 24V

Operating temperatures: 5 to 50°C

Storage temperatures: -20 to 60°C

Operating humidity: 10 to 80%

Storage humidity: 10 to 90%