How to solve Thermal printer can't print

Printer is our most common in daily life, a class of office supplies, I believe many people are feeling the convenience of the printer at the same time, the printer has been troubled by a variety of problems, due to the type of printer, so the solution to failure Are different today for thermal printers, for everyone to send a few practical solutions:
Situation 1: the printer prints out the fuzzy or missing words.
1, check the power supply to ensure that the specified power supply manufacturers.
2, check the paper size to meet the printing requirements.
3, check whether the thermal head backlog of dust and other foreign matter, remove the deal.
4, if there is printed out of the ticket-like words or punctuation phenomenon, you can directly check whether the thermal head of fouling, if still can not rule out the removal of the fault, you may need to replace the thermal head or motherboard, direct contact with the relevant sales Department of after-sales office.
Condition 2: The printer can not print online
1, first check whether the printer is powered on, the light is on.
2, the printer and the host connection is in the normal state, if the connection is normal but the printer can not print, use the printer's self-test function, such as self-test function is not a problem, the printer may be in the host interface or interface cable, At this time to ensure that the host interface and the cable is intact, can be directly related to maintenance and sales after-sales issues.
Situation three: When the printer suddenly stuck in the printing process
1, encountered this situation first to see the printer and the host connection cable is loose, such as the confirmation is loose, try again after plugging in.
2, if the printer suddenly jammed, do not worry, it may be the printer over-temperature protection, we can touch the temperature of the print head to confirm whether the situation, but in the operation process must pay attention to, machine Head temperature will have a buffer of the time, do not rush to restart the printer.
At this point the printer's light should have a different status of the blink, facing the printer manual to fault can be excluded.
Related product: Printer Mechanisms,Printer Modules