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HP Recommended
IMAC
macOS 10.14 Mojave

My HP Officejet Pro 8600 is priniting any document from my new IMAC extremely slow.  It just hesitates and prints a few lines at a time.  Here's what I have tried: without any success:

1. multiple times to download the drivers however, i receive the error message ea time that says:

"The file “HP_Easy_Start.app.zip-8.download” doesn’t appear to be a valid download file."  

2. unplugged power cable from the printer &  wall & reconnected without any changes. 

3. Powering down router, printer & computer then re-booting.

Appreciate any advice

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