Printer problem HP401Dne

I have an HP401Dne that squishes the top of the print at the top of the page - but not on all pages and not consistently.  I have uninstalled/reinstalled/new drivers/new cable .... nothing works.  This is from various applications and just started happening about a month ago after the printer has been installed & working fine for the past three months.  This is from all applications I try.   It's always just the top of the page.  The workstation is a Win 7 64-bit.
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Dr. KlahnPrincipal Software EngineerCommented:
Sounds like there is a problem with either the pick rollers or the intake rollers.  Check the pick rollers in the paper feed area and confirm that they are clean and not glazed.  If they appear dusty, clean them with a swab moistened with water; if they appear glazed, use a small amount of isopropyl alcohol to do the cleaning.

Then clean the paper intake rollers if they are accessible.

Roller dirt or glazing is a problem with glossy paper or thick paper because it does not pick as well as standard bond.

Also check for paper scraps or other objects blocking the paper path.  This requires more force to pull the paper past the obstacle and that can cause vertical print compression.

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nancyk2000Author Commented:
Thanks - we will have our repair person come and check on the printer!
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