POS card reason and solutions _ printing devices

paper printer as different from common office laser printer, in fact, has been widely used in many occasions, such as shopping malls supermarkets to print receipts, invoices, and the print the VAT invoice for the company's financial printer, etc. , there are a lot of USES: such as the traffic police at the scene of a ticket with portable paper printers, financial check printer.

notes appear paperboard the reason is the printer? How to rule out the failure? Below small make up for your explanation: paper printer paper jam is the most common fault. Appear this kind of failure, on the operation panel will shine, and issue a warning signal to the host.

there are a lot of the cause of the failure, such as: paper output path with debris, such as parts of the feed roller rotational failure, the cartons into the paper, sensor fault, such as ways to eliminate this kind of failure is very simple, just open the machine cover and remove the card paper, but should pay attention to, must be take paper feed direction, must not turn any switch in the opposite direction.

if you have a paper jam, check the feed channel, remove the output path of sundry, the front edge of the paper is just on the top of the metal plate. Check whether the paper roll wear or loose spring, pressure is not enough, or not put paper into the machine. The paper roll wear and slow to change, available winding rubber band method for emergency treatment. After winding rubber band, increases the friction, rolling paper can make feed back to normal. In addition, the paper plates installed is not normal, paper quality is bad, Too thick, thin, be affected with damp be affected with damp) Can also cause paper or can't take the paper's fault.