POS cash registers troubleshooting principles as high reliability products, the lower the probability of its failure. However, due to changes in the external power supply or external environmental changes caused by product failure, may also be because of a serious collision handling, causing hardware failure, but the situation is the failure of the hardware itself is still relatively small. Therefore, when the POS machine failure, should be based on "first soft and hard, the outside after the first," "the principle of fault determination and exclude state licensing 138 super silver machines, specifically that: (1) First check the system software, application software if there is a problem (2) Inspection outreach cable is connected properly, the external device is correct (if the network fails, check network cable is normal, the switch is normal) (3) alternative methods should be used to determine faults Easy Exhibitor K1000 silver machine, This precludes the use of various components of a normal suspicious device. (eg: state licensing test network cable 118 supermarket cash register, the device can be used to test the network cable is normal normal) (4) when the device hardware failure (failure especially in the power section, the distribution of When the smell or obvious abnormal sound), you should first check the silver machine off, only apparent reason to exclude all possible (short, burned parts, etc.), in order to power up checks. (5) determine the host interface or peripheral fault , CHECK.EXE test should be run in pure dos run. (6) Test the keyboard port equipment should be carried out under pure dos. POS equipment is needed to assist the management of modern business enterprise, cash registers are used in department stores, . supermarkets, chain stores, hotels, restaurants, beauty salons, bookstores, gas stations, clubs, canteens and other consumer industries classified according to the number of support departments, generally divided into: a class of machine: Sectoral Classification number 8-15; II machine: Sectoral Classification Number 30-99 months; three machines: That POS cash registers, usually by the host computer (board), printer, display, cash drawer, keyboard, software components by way of receivables category: one is the cash income dispensing machine; II IC card cash registers, including UnionPay cards and general IC card (membership card, meal card, etc.); three cash registers to support mobile payments, mainly barcode (two-dimensional code) paid to Guangzhou. State Association _ state licensing 118 supermarket cash register _ silver machine provided by the Guangzhou State Association. looking for "cash register, scanner, bar code machines, management software, small ticket machines, cash registers, shredders" reliable suppliers, choose to have the whole network business alliance Certified: Guangzhou City State Association Information Technology Co., Ltd. (www.gzdb899.com), trustworthiness and reliability, now click on the "Business Alliance customer service" on page live chat with us now!