This is a paper problem with the printer. Please check the following places:

1. Whether the paper roll of the printer is dirty, please clean it;

2. Whether the printer alignment adjuster is normal, please adjust it;

3. Whether the paper jam on the printer is normal, please clean or replace it;

4, motherboard problem, replace the motherboard;

5. Reinstall the printer driver.

Please check the above aspects one by one. If you need online help, please contact me in my Baidu space.