the horizontal yellow line!

I have Mac ox, 10.11.6 version and a HP OfficeJet 7510 printer. I get yellow horizontal line on any image I print up. A little while ago I also bought a Macbook pro, refurbished. 10.14.3 Mojave version. I was able to print clean images at first (same printer) but shortly the lines returned. I've tried printing from Preview, from google's My Drive, from Word, from LunaPic. The lines are haunting me!

Whassup?

Posted on Nov 23, 2020 3:56 PM

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Posted on Nov 23, 2020 10:52 PM

It is obviously a printer error and not a computer software error.

Have you run all the printer maintenance routines.

HP printers usually come with the HP Utility which will allow you

to run these routines.


System Preferences> Printers & Scanners> Print> Options & Supplies> Utility > Open Printer Utility.

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4 replies

Nov 24, 2020 10:40 PM in response to rosealice

As it is a persistent problem using two different macs and different applications it points to a fault with the

printer.

Go through the cleaning and alignment routines again.

Open up your printer and take to the cartridges and have a look at the physical condition of your

printer and clean out any clumps of ink or dirt.

Have you asked HP about possible causes.

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the horizontal yellow line!

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