What am I doing wrong? I can't make usable A3 prints with W10. Lines and type is very grainy and has wrong colours, with Word, Visio or PDF. A4 is perfectly clean.
HP support still has no solution after 2 days of Whatsapp. With mopria app A3 is clean but I want to print directly from W10. The printer is new, does HP have a driver problem?
Beat

Question

What am I doing wrong? I can't make usable A3 prints with W10. Lines and type is very grainy and has wrong colours, with Word, Visio or PDF. A4 is perfectly clean. 
HP support still has no solution after 2 days of Whatsapp. With mopria app A3 is clean but I want to print directly from W10. The printer is new, does HP have a driver problem?
Beat

Answer

Hello Beat

I don't know if my answer really came across. I have no problems with the printer. This has been the case for almost 2 years. The quality of black and white as well as colour prints is ok. Even scanned and enlarged prints on A3 photo paper are almost as good as the original. So far I have not noticed any driver problems. Unfortunately I can't help you, but I hope that your problem can be solved.

Greetings Peter

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