Question about HP 4570C Flatbed Scanner

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Scans are very dark and cannot be adjusted with software. is there a fix?

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What software are you using to adjust? Even office picture manager will do it.

Posted on Aug 23, 2010

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1 Answer

Hp 7250 scans are not clear


In the menu area of the printer you can adjust the light and dark of the scan. That should help you out. If you can get a darker copy of what you are scanning that will help as well.

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If you print the configuration pages from the administration>information menu and they look dark then you know that the printing system is working fine. If they are light as well, then it is possible that being shipped upside down resulted in some dirt getting into the laser scanner. The image original settings are kind of wonky, in that it is backwards to normal assumptions. Darkness refers to the actual orignal you are scanning, so in most cases if you have lighter origjnals then you need to set darkness lower. As well, check whether the image type is set for photo or text. Setting for text will result in darker scans.

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Hi,

I suggest you uninstall the drivers and software of this camera and reinstall it again from the disc provided with this camera.

This should fix the issue.Let me know the result.


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Arcsoft Photo impressions 6 software


I have the same problem. If I try to scan my colour negative it comes up totally blue. They are not very old negatives either and have been stored in the dark since developing. I can use the Black and White option quite successfully but have given up on achieving colour.

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Our hp 9250c scanner suddenly scans very light


Reset the Darkness and use the setting to adjust the lightness or darkness of the output. Check the setting on the scan application as well as the 9250C.

Also check the document type and resolution settings.

If there is nothing strange about any of the settings then run the Calibrate Scanner function. If that does not cure the problem then you may have an issue with the quality of the lamp output or the scan detector and will need a service engineer to visit and rectify.


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1 Answer

Black and white negatives produce scans that show too much contrast......any suggestions?


1) Decide which problem is the worst: shadows too dark or highlights too light. 2) Run your scan with Nikon 4 software tool "Digital DEE" adjusted for EITHER Shadows or Highlights (not both; Highlights setting will "trump" a Shadows setting, even though you have a non-default setting at all DEE sliders).  Generally good choices for Shadows are 39 to 55. (39 = lighten the shadows a little; 55 = lighten the shadows a lot.) Experiment; do several scans. Generally good choices for Highlights are about 17 to 42 for amount and about 4 to 30 for threshold. (17/4 = dim the highlights a little; 42/30 = dim the highlights a lot.) Again, you have to experiment to get some experience. 3) When in Photoshop PSD format (After first doing a Levels adjustment): Try using the Adjustments/Shadows and Highlights tool to AGAIN brighten your too-dark shadows and/or tone down your highlights. (I.e., the effect is cumulative on top of your Digital DEE effect. But Digital DEE is a more "magical" feature and is somewhat preferred to PS's Shadows and Highlights tool. DEE, however, will often produce an annoying "light smear" [bright area "dragged" into an adjoining darker area]. In case of a "light smear" from DEE, do not use the tool; too hard to fix.  Use PS's Shadows & Highlights tool instead.)  4) Proceed with other PS adjustments such as Curves, etc.  5) Still not satisfied?  Go to Levels again and look at your histogram. Is it really "stacked" to one side or the other (a mountain way over at the left or at the right)? You might want to try the rather severe command of Adjustments/Equalize.  This "spreads out" your pixels more evenly across the histogram. Note: this is a scary adjustment that requires misc fixes to tone-down certain aspects of the Equalization adjustment.  No free lunch, right? 6) After experimenting with the above tools, you should be able to get a handle on too-contrasty pictures. There will be a learning curve. 

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maybe the slides are too dark, in other words, the pictures you took didn't have enough exposure therefore you it shows up dark.. You could always use photoshop or someother photo manipulation software to lighten the scan, same thing happens with my hp scanner with slide adapter, if it slides just show up dark, lightening it with software will help, unless it is unsaturated/shadows too dark, etc..

Hope this helps.

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REPLACE IN THIS ORDER.
CABEL(CHEAPEST)
IF THAT DOES NOT WORK
IT NEEDS A FORMATTER BOARD.

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