Why print effect has banding 

UV flatbed printers have a certain lifespan. After a period of use, various unexpected conditions such as component aging and nozzle clogging may occur.

Another more common problem---Banding occurs but Nozzel check line is perfect , why printing effect has banding ? How to do with it ?

Solutions :

First we need to clean the nozzle. To judge if the maintenance is not done in time , causing the nozzle to be slightly blocked. If the banding issue can be improved, customers should pay more attention to maintenance in subsequent use.

The banding issue still existed after you clean the printheads , another solution is to do alignments for printhead to effectively improve the printing effect ,proceed the alignments under engineers’ guide. 

If the aboved solutions can’t solve the banding issue ,please contact engineers.