How to open (disassemble) a HP DeskJet 940C?

Earlwest

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Jan 5, 2012
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I am getting an 'Out of Paper' message. I think it needs to be cleaned. I figured out how to get the cover off but I have no idea how to get any further. I know it needs cleaning because pop got spilled in it. I also know this thing is robust because I have been able to get it to print a test page. So it seems to me it must be dirty or obstructed in some way.

Thanks,

E.W.