Quantum Power Systems manufactures Dot Matrix Impact Printer. Quantum Power Systems is an ISO 9001 certified company. Dot Matrix Impact Printer is available as `Handheld computer QA05i2`. It possesses the paper width of 57mm along with 2.5 lines per second printing speed. The Paper roll of this Dot Matrix Impact Printer is 80mm in diameter and the paper roll length is 50meters, with thickness and GSM are 0.06 to 0.085mm and52.3 to 64gm respectively. This Dot Matrix Impact Printer has a LCD display of size 64x128 and it displays 4 to 8 lines. No of characters per line are 20. Dot Matrix Impact Printer possesses Li-Ion Battery Data interface IrDA/Rs232/USB/WireLess with 16Bit/32Bit CPU and 4MB/8MB on board data flash.