Car label printer in situ jitter reason _ 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. Paper printer in place after the word car jitter and what was the reason for the print? Below we can through some solution to solve this problem: 1) 。 First test each word car motor winding coil resistance is normal, Normal is 5 & Omega; Or so) 。 If it is not normal, to repair or replace it; 2) 。 Such as normal, then the test drive tube VT5 - VT8 is normal. If it is not normal, it should be changed; 3) 。 Such as normal, should detect inverter the IC3 ( 74LS06) If there is something wrong. If not normal, replace it; 4) 。 Such as normal, should test the CPU P60 - About output is normal. If it is not normal, replace the CPU. Through the explanation, we learn more printer is on the bill. Workers technology provided printing solutions for various industries, business involves very extensive, professional, reliable.