Summary TSC barcode printers in the domestic and international numerous barcode machine brand reputation has been very good, both in terms of speed of print or print effect has a good performance. But there is still a small number of customers because of neglect certain steps cause there was a problem printing, don't know how to solve it. For customers to use TSC barcode printing TSC barcode printers in the domestic and international numerous barcode machine brand reputation has been very good, both in terms of speed of print or print effect has a good performance. But there is still a small number of customers because of neglect certain steps cause there was a problem printing, don't know how to solve it. For customers to use TSC barcode printers ERR light has been on a red light, shenzhen vision ( RAKINDA) Based on the analysis of barcode equipment industry for many years experience may be the cause of the problem are as follows: ( 1) Machine does not have right to paper, please do hold pause button boot mode test paper; ( 2) Real size of the label paper is not properly set in the software, please make sure the software set in the label whether high width and spacing and you actually use the same size; ( 3) Sensor type has no right to choose, please confirm whether you label paper is spacing, black label, or continuous paper, and then select the corresponding sensor TSC barcode printers ERR red light has been on how to solve? Troubleshooting methods: 1, error indicator ( A red light) Normally on check the pressure of any printer to print. ( 243 series: TTP - 244 +,TTP - 243E Pro、TTP- 342 e Pro except) 2, error indicator ( A red light) Turn off the machine, to initialize, sensor calibration action. If the paper is normal, can be a hardware failure possibility. If the paper is not normal. Please check whether the material installed normally; Paper and carbon with matches. 3, machine initialization, sensor calibration method 1 a) Two fingers hold PAUSE, FEED button at the same time, don't let go, switch on at the same time. b) Stay three lights flash in turn, only the FEED release button. Stay away paper, can loosen the PAUSE button. 2 - by normal out of paper is out Three label paper. c) Press the FEED button, normal paper label for height. And stop at the normal tearing position. 【 Note: this method is applicable to the following a few machines: TTP - 244 +,TTP - 243E Pro、TTP- 342E Pro】 4, model initialization, sensor calibration method 2 a) Holding down the FEED button, don't let go, switch on at the same time. Stay green light flashing, let it go. To turn it off. b) Print labels for the clearance paper: the holding down the FEED button, don't let go, switch on at the same time. To be orange, red light flashing alternately, let it go. Print labels for black label paper: holding down the FEED button, don't let go, switch on at the same time. Stay green, and orange lights flashing alternately, let it go. c) Press the FEED button, normal paper label for height. And stop at the normal tearing position.