Our printer is an hp l7780 and it has started printing white lines pretty evenly spaced.

We have gone through the recommended steps to self correct and nothing seems to work. Is there anything that can be done to eliminate the lines from printing and copying.

Hi,
Please follow the steps below:
http://h10025.www1.hp.com/ewfrf/wc/document?docname=c01957673&cc=us&dlc=en&lc=en&product=2512010&tmp...
I believe the Printhead might cause such a behaviour,
Make sure to check the printheads health and warranty status, as should be listed within the Self Test Report:
Load U.S. Letter, A4, or legal size paper into the input tray.
Press the Setup button.
Press 1 to select Print Report , and then press 1 to select Self-Test Report .
Press OK . The self-test page prints.
Say thanks by clicking the Kudos thumb up in the post.
If my post resolve your problem please mark it as an Accepted Solution

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I will assume that you have power cycled the printer already, does that Correct the issue for a period of time? or does it continue as normal?
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__ if this Solution has helped Please Mark as Resolved and feel free to Provide a Kudos__

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Our printer is an hp l7780 and it has started printing white lines pretty evenly spaced.

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