tsc247 bar code machines, Guangzhou State Association (Certified), bar code machines supplied by the Guangzhou City State Association of Information Technology Limited. Guangzhou City State Association Information Technology Co., Ltd. (www.gzdb899.com) is specialized in the "cash register, scanner, bar code machines, management software, a small ticket machines, cash registers, shredders" of the enterprise, the company adhering to the "integrity business, hard service "concept, to provide you with the highest quality products and services. Welcome to inquire! Contact: Qiu. Zebra GK420t barcode allows you to experience at an affordable price performance and excellent reliability, it provides a range of advanced features to meet all kinds of medium and low intensity print applications. Zebra GK420t (203dpi) print mode is thermal, fast print speed, reach 127mm / s, print width of 104mm, maximum print length is 991mm, all of which can help users to improve work efficiency, is a pretty good performance strip printer. GODEX bar code label printing error issue red lines that link the machines are connected, then the label paper and ribbon are installed, perform the following operations: 1. When turned on, a "beep" sound, light green zebra bar code machines, press the FEED key, label paper is the whole out, this time for the normal state. 2. If you press the FEED key bar code machines, hear "Didi", "Didi" even rang twice twice zebra bar code machines, then red, then the situation is not normal, this is not normally have the following possibilities: 1 ) outside the scope of the paper sensor no longer label paper. Induction site 2) The paper sensor is on the up and down or left and right labels translucent backing paper gap, which led to induction failure. 3) The paper is too dirty to affect the sensitivity of the sensor. 4) The paper sensor is damaged. 5) motherboard problem, resulting in paper sensor failure. 6) The machine does not properly recognize certain specifications label paper, you need to manually test paper. Steps: Press and hold the FEED button while turning the power, and the machine until the fourth tone rang the two lights are bright orange, and then let go, the machine will have feed back paper action tsc247 bar code machines, pending a green light after the machine, press the FEED key, the whole paper is printed out on normal.