Question about HP Officejet Pro L7780 All-In-One InkJet Printer

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Error: rear access panel open, but it's not and now it won't print. Help!

HP Officejet Pro L7780 Color All-in-One Error: rear access panel open, but it's not and now it won't print. Help!

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  • Raymond Ramirez
    Raymond Ramirez May 11, 2010

    is there a small switch on the door or even a pin that hits the switch that maybe bent causing the door not to be seen.

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  • 57 Answers

Check VERY closely edges, rollers etc, you likely have a small shard of paper mucking up the works.


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Posted on May 26, 2009

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Posted on Jan 02, 2017

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If you don't have a copy you can download it here:

http://h10032.www1.hp.com/ctg/Manual/c00863866.pdf

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