Guangzhou State Association, stand like 214 yards, bar code machines provided by the Guangzhou State Association. We are Guangzhou City State Association Information Technology Co., Ltd. (www.gzdb899.com) located: Guangzhou specializes in: cash register, scanner, bar code machines, management software, small ticket machines, cash registers, bar code printers and shredders barcode printer is one thing. I believe we often encounter such a situation, when you go to the mall or supermarket to buy things above all commodities will see a small label, the label above is a one of the vertical channel (this title is very professional, it is called, but very straightforward) Kripas bar code machine, when we go to the checkout, clerk with a hand-held scanner to scan what this label goods on this product that you should have to pay the price immediately displayed on the terminal pos machine up. Here we are talking about a vertical channel jargon called barcode, which led directly to the wide application of the rapidly growing popularity of its corresponding device stand like 214 yards machines, bar code printers and bar code applications, as one of the important equipment is widely used in manufacturing, logistics need to print labels in the industry and other industries. While the bar code label printers have been widely used, but users do not really understand much of the printer. GODEX barcode hardware troubleshooting guide one, turn on the power switch, power indicator light did not respond? Q: After the power indicator light does not shine? A: (1) Check to see if there is connected to the power supply. (A) Make sure to use standard power random shipments of the company. (B) Make sure that the correct use of AC110V or AC220V power. (C) Check whether there is electrical power source or supply is normal. (D) Is the power cord plugged in at both ends. (2) After waiting five seconds off the machine GT820 Zebra bar code machines, only re-boot. (A) paper / ribbon in accordance with the operating manual installation, the indicator should be green. (B) Hold down the paper feed button (FEED), the machine can send the paper is properly