There are many reasons why the printing effect is unclear. It is recommended that you do not disassemble the print head by yourself. Maybe you made the original print head unsuitable and damaged it. The needle of the print head is very fragile.

The reasons for unclear printing are as follows:

Long-term use of 1 leads to uneven print head pressure and unclear side. Just adjust the pressure.

2 Carbon ribbon and label do not match.

When the print head breaks the needle, the label printed by the print head will have a vertical white line, which could have been printed, but it can't be printed because of the broken needle.

4. The label has been changed, and the printing temperature of the carbon tape has not been adjusted.

Most of the unclear questions are the above points or points. You can debug them yourself. If you have any questions, you can call me.

Shenzhen Wanshengze Electronic Company is a professional bar code company.