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Preview scan is totally Black, seems to be hardware problem, how do I fix this.

Posted on 2004-08-12
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Last Modified: 2013-12-15
I have an HP scanjet 7450c scanner with ADF, it worked fine until the warranty ran out, now everything scans to a black screen.  I have done all of the diagnostics suggested by HP support, and then they told me it is "likely" a hardware problem, and suggested I "upgrade" to a newer machine. Well the comparable machine is about $600.00 or more, and I think I should be able to fix this one for less than that. Oh yeah,  actually, I replace hardware all the time in my computer, why can't I just replace something in my scanner.  Can any one tell me the proper way to diagnose scanner hardware to figure out what I need to replace.

Thanks,

Dan
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Question by:DanWomac
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Expert Comment

by:SheharyaarSaahil
ID: 11787945
Hello DanWomac =)

Well i have not used an HP scanner.... but i use a LG Scanworks... and it has an Extra button at bottom.... it reads Lock and Unlock !!!

when i Locks it.... the preview and scanning comes as BLACK screen,,,, and when i unlock it.... all seem to be fine !!!!
was just thinking, if nothing like this is happening with u :)
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by:DanWomac
ID: 11788085
Thanks for the reply -  but that has already been addressed, I locked/unlocked/locked it again and again, and it does not make difference.

Dan

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SheharyaarSaahil earned 500 total points
ID: 11788101
ohhhhhh.... =|
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Author Comment

by:DanWomac
ID: 11788173
Okay, I suppose now I need to apologize - I just tried the above again and it works just fine...... sorry SheharyaarSaahil, but I really did try this same thing a few days ago at HP's suggestion.  You win the cupie doll.  Thanks for the help.


Dan
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Expert Comment

by:SheharyaarSaahil
ID: 11788186
wowwwwwwwww :D
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