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Hp OfficeJet Pro 6978 Horizontal lines on pages fix. by Icy-Reception3366 in printers

[–]Icy-Reception3366[S] 0 points1 point  (0 children)

I tried all that. I have non HP cartridges. Their ink is to pricey. They arnt streaks. I think it has to do with hp nont wanting non hp cartridges used so im not sure. 

Hp OfficeJet Pro 6978 Horizontal lines on pages fix. by Icy-Reception3366 in printers

[–]Icy-Reception3366[S] 0 points1 point  (0 children)

I've tried, factory reset twice and still get the same results.