Blue Lines on Paper when printing

[Nabpak]

Having changed printer cartridges I get a thick blue line being printed at the top of the page, when printing the test page the entire poage is covered in blue (Cyan ink).

[The_Fossette]

@Nabpak,

Welcome to the HP Forums!

This is a wonderful place to converse with the community, get assistance and find tips.

I reviewed your post and understand that there are blue lines on the paper when you print after changing the cartridge.

I'll be glad to help you 🙂

In order that I may provide you with an accurate solution, I will need a few more details.

• Are you using HP genuine toner?
• Have you made any software or hardware changes on the computer?
• Have you performed any troubleshooting steps before posting?

While you respond to that, I recommend you follow the steps in the below article and check if it helps.

https://support.hp.com/us-en/product/hp-color-laserjet-pro-m280-m281-multifunction-printer-series/14...

Let me know how it goes. Awaiting your reply!

If you wish to show appreciation for my efforts, mark my post as Accept as Solution. Your feedback counts!

Good day! Take care 🙂

Cheers!