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John
John, Computer Science Engineer
Category: Printers
Satisfied Customers: 5075
Experience:  CompTIA A+ & Microsoft Certified Professional with 15 years of experience repairing computers and printers.
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We have HP Officejet Pro Plus 8500 A910 Model CM&%^A Serial

Customer Question

We have HP Officejet Pro Plus 8500 A910
Model CM&%^A
Serial # CN117BK1DK
Service ID 21069We changed black cartridge and printer is not printing good black copies. Gray and some lines not at all
Submitted: 7 months ago.
Category: Printers
Expert:  Quiksilver07070 replied 7 months ago.

Hello, and Thank You for choosing JustAnswer.com
My name is ***** ***** I am reviewing your question now, please stand by for 1 or 2 minute for reply.

Expert:  Quiksilver07070 replied 7 months ago.

Sounds like you need to clean the printer components.

Give me a few moments to pull the technical manual, and tell you specifically what you need to look at and clean.

Stand-By

Expert:  Quiksilver07070 replied 7 months ago.

YOu said you did a diagnostic page......yes?

What was the results?

Expert:  Quiksilver07070 replied 7 months ago.

Did you SHAKE (yes, literally shake it, like a polaroid picture) the NEW ink cartridges about 6 times before you installed them in the printer?

Expert:  Quiksilver07070 replied 7 months ago.

Theres quite a few different things that can cause the prints to come out not as dark.

The ink tubes can be pinched or kinked?

Did you use Genuine HP ink cartridges?

I also want you to check the print quality settings.....and make sure they are as they should be.

See image link below for instructions on checking the print quality settings.