Question about HP Scanjet 7800 Pass-Through Scanner

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Hp scanjet 7800 shows document feed empty

Also code 04 or code 08 will show on screen

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Hi

these scanner take a bit of work-open the front and then close the front- there is a latch to open the front of the scanner at the top of the front panel. this will clear the 04-08 or 24 error.
sometimes it's best to switch the scanner off and then back on which will reset the connection between the scanner and the PC

regards Liz

Posted on Feb 22, 2010

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I take it the scanner is connecting to your pc okay? the paper need to engage in the feeder. Try just putting one piece of a4 copy paper in the scanner and seeing if that will register as beng paper in the document feeder.

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