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FORUMS Photography Talk by Genre General Photography Talk 
Thread started 18 Sep 2018 (Tuesday) 16:35
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Scanner question, haze inside on glass

 
Jeff ­ USN ­ Photog ­ 72-76
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Sep 18, 2018 16:35 |  #1

I have a HP G4050 and have noticed the while my glass is clean and bright on the outside there is a slight haze on the inside, the underside of the glass.


I am thinking since it is older it is time to spring for a V600 or V800, I don't have "That" many 4x5 negs


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goalerjones
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Sep 21, 2018 01:49 |  #2

Is it possible to simply remove, clean, then replace the glass?




  
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Jeff ­ USN ­ Photog ­ 72-76
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Sep 21, 2018 18:05 |  #3

I tried will try taking it completely apart from the bottom.


"sometimes having is not so pleasing as wanting, it is not logical but it is true" Commander Spock
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chris001
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Sep 21, 2018 19:29 |  #4

Jeff USN Photog 72-76 wrote in post #18712960 (external link)
I tried will try taking it completely apart from the bottom.

I have the same scanner, easy to take apart and clean.

https://support.hp.com​/us-en/document/c00093456/ (external link)


Thanks!
Chris
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Jeff ­ USN ­ Photog ­ 72-76
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Sep 21, 2018 20:19 |  #5

Thank you I will try it tomorrow


"sometimes having is not so pleasing as wanting, it is not logical but it is true" Commander Spock
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John ­ from ­ PA
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Sep 21, 2018 22:08 |  #6

chris001 wrote in post #18712997 (external link)
I have the same scanner, easy to take apart and clean.

https://support.hp.com​/us-en/document/c00093456/ (external link)


Some more help at https://h30434.www3.hp​.com …an-the-inside/td-p/773395 (external link)




  
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joeseph
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Sep 22, 2018 04:41 |  #7

I used to service fax machines for a living & probably 60% of quality problems were cured by cleaning dust off the mirrors in the optical path.


some fairly old canon camera stuff, canon lenses, Manfrotto "thingy", 1D MK II (broken), and an M5, along with a M6 destined for 720nm
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Jeff ­ USN ­ Photog ­ 72-76
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Sep 22, 2018 19:41 |  #8

Took it apart and cleaned it, working great now.


"sometimes having is not so pleasing as wanting, it is not logical but it is true" Commander Spock
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Wilt
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Post edited over 1 year ago by Wilt.
     
Sep 22, 2018 19:47 |  #9

Jeff USN Photog 72-76 wrote in post #18713677 (external link)
Took it apart and cleaned it, working great now.

Fantastic. I have noticed the haze on the interior surface of the glass on my Canon 8800F, and could not figure out how to open the case to clean the glass. I just found online the service manual, and hope to open the case in following the illustrations (unfortunately no textual descriptions to accompany the illustrations!)

i just pulled out the service manual, and in spite of poor descriptions to accompany the drawings, I managed to get the glass cover off and the haze on the underside of the glass cleaned off, and things screwed back together, all in maybe 20 minutes. If I had to do it again, it would certainly be a faster process, since I know know how the parts interlock together...only 4 screws to remove. It certainly helped to watch a YouTube on the 8600F, showing where 2 of the 4 screws were located!


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Scanner question, haze inside on glass
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