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Rainbow effect on scanned CD's   


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  3rd Apr 2018, 8:37 PM#1  REPORT  
safcforme

I can't help falling in love with you
Member since Feb 2012
343 Points
Hello campers, Anybody out there who can tell me how to prevent afformentioned rainbow effect on scans?


  3rd Apr 2018, 10:35 PM#2  REPORT  
Quad5point1 SUBS

Member since Jul 2012
10621 Points
I have two printer scanners both Epson. The WF 7515 gives the effect you mention. If I scan using my PX 720WD @ 1200 DPI with backlight correction on, it gets rid of the problem


  3rd Apr 2018, 11:25 PM#3  REPORT  
safcforme

I can't help falling in love with you
Member since Feb 2012
343 Points
Quad5point1 wrote:
I have two printer scanners both Epson. The WF 7515 gives the effect you mention. If I scan using my PX 720WD @ 1200 DPI with backlight correction on, it gets rid of the problem
Thanks for that, I''ll give it a go. Mine's an Epson too. model V370 photo :thumbsup:


  3rd Apr 2018, 11:45 PM#4  REPORT  
safcforme

I can't help falling in love with you
Member since Feb 2012
343 Points
That didn't work :sad:
I've taken a screenshot so you can see my settings and will PM you if that's OK?


  4th Apr 2018, 10:14 AM#5  REPORT  
Quad5point1 SUBS

Member since Jul 2012
10621 Points
Not a problem, The only difference I can think of between my two printer scanners is that the PX 720 WD is a photo printer and probably designed to work better at higher resolutions. I had been using my WF 7515 since joing 45 worlds and I have recently been renewing all my disc scans using the PX 720 WD.


  4th Apr 2018, 12:07 PM#6  REPORT  
safcforme

I can't help falling in love with you
Member since Feb 2012
343 Points
Quad5point1 wrote:
Not a problem, The only difference I can think of between my two printer scanners is that the PX 720 WD is a photo printer and probably designed to work better at higher resolutions. I had been using my WF 7515 since joing 45 worlds and I have recently been renewing all my disc scans using the PX 720 WD.
I'm beginning to think that my scanner isn't up to it. I need to change the scanner bed glass too as it's getting pretty scratched. I'll PM you shortly but there's no rush to reply. Thanks for the help


  4th Apr 2018, 5:58 PM#7  REPORT  
TopPopper

Member since Mar 2013
2612 Points
Have you tried photography instead of scanning?


  4th Apr 2018, 10:18 PM#8  REPORT  
Quad5point1 SUBS

Member since Jul 2012
10621 Points
I'm beginning to think that my scanner isn't up to it. I need to change the scanner bed glass too as it's getting pretty scratched. I'll PM you shortly but there's no rush to reply. Thanks for the help

I was looking at the specs for your scanner and if anything they were reading better than mine :confused:


  4th Apr 2018, 11:48 PM#9  REPORT  
JPGR&B SUBS

My aim - to add all my collections on 45worlds.
Member since May 2009
4526 Points
Moderator
Try putting the CD in a pvc covering. It normally reduces the problem.


  5th Apr 2018, 9:05 AM#10  REPORT  
getalife

So many questions, so few answers
Member since Nov 2010
877 Points
Moderator
Or try a A4 sheet of mat Perspex


  5th Apr 2018, 1:58 PM#11  REPORT  
Juke Jules SUBS

Tell me he's lazy, tell me he's slow
Member since Jan 2011
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Any suggestions would be more credible if accompanied by examples of successes you've had.

For me, the effect 'just happens' and I've not yet tried to overcome it

jack-skuller-love-is-a-drum-2010-cs-t.jpg


  5th Apr 2018, 5:31 PM#12  REPORT  
safcforme

I can't help falling in love with you
Member since Feb 2012
343 Points
Thanks for all the replies fellas.
I've have indeed resorted to a digital camera and light box (for mainly silver discs only, coloured ones are fine) but I definitely need a new scanner so when I've got some pennies it's an A3 for me.
6000 cd's to add!


  5th Apr 2018, 5:59 PM#13  REPORT  
getalife

So many questions, so few answers
Member since Nov 2010
877 Points
Moderator
safcforme wrote:
Thanks for all the replies fellas.
I've have indeed resorted to a digital camera and light box (for mainly silver discs only, coloured ones are fine) but I definitely need a new scanner so when I've got some pennies it's an A3 for me.
6000 cd's to add!

6000 cd’s to add, better order two scanners. :thumbsup: good luck.


  5th Apr 2018, 8:29 PM#14  REPORT  
Juke Jules SUBS

Tell me he's lazy, tell me he's slow
Member since Jan 2011
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A3 is good, saves a lot of work, but I still have to use ICE for LPs - pity it's not 12½" :neutral:


  5th Apr 2018, 8:42 PM#15  REPORT  
Juke Jules SUBS

Tell me he's lazy, tell me he's slow
Member since Jan 2011
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Juke Jules wrote:
For me, the effect 'just happens' and I've not yet tried to overcome it

jack-skuller-love-is-a-drum-2010-cs-t.jpg

Photographing is not the answer :wink:

jack-skuller-love-is-a-drum-2010-3-cs-t.jpg


  5th Apr 2018, 9:28 PM#16  REPORT  
Quad5point1 SUBS

Member since Jul 2012
10621 Points
safcforme wrote:
Thanks for all the replies fellas.
I've have indeed resorted to a digital camera and light box (for mainly silver discs only, coloured ones are fine) but I definitely need a new scanner so when I've got some pennies it's an A3 for me.
6000 cd's to add!

The Epson WF 7515 I mentioned earlier that gave the rainbow effect is an A3+ scanner printer. Be wary and try to get demos if possible


  5th Apr 2018, 11:04 PM#17  REPORT  
safcforme

I can't help falling in love with you
Member since Feb 2012
343 Points
Juke Jules wrote:
Juke Jules wrote:
For me, the effect 'just happens' and I've not yet tried to overcome it

jack-skuller-love-is-a-drum-2010-cs-t.jpg

Photographing is not the answer :wink:

jack-skuller-love-is-a-drum-2010-3-cs-t.jpg

Jules, that's not strictly true. It depends on your knowledge of photography.
I've uploaded these 5 images so you can see. The first 4 are scans and the fifth is a digital camera pic, done as a test and without any diffused lighting (which when added will lighten the image)
As you can see, the problem is only with mainly silver discs

https://imgur.com/a/cZjdW

Edited by moderator on 6th Apr 2018, 1:08 AM

  6th Apr 2018, 1:06 AM#18  REPORT  
Juke Jules SUBS

Tell me he's lazy, tell me he's slow
Member since Jan 2011
4138 Points
Moderator
Sure, only the shiny silver discs do this (edited your link)
I'll try the suggestions next time I fire up the scanner


  6th Apr 2018, 8:35 AM#19  REPORT  
safcforme

I can't help falling in love with you
Member since Feb 2012
343 Points
Juke Jules wrote:
Sure, only the shiny silver discs do this (edited your link)
I'll try the suggestions next time I fire up the scanner

I thought there was something wrong with that link but couldn't figure out what!
I used the 'insert image' tab. should it have been 'insert webpage link'? Doh!
I'm not sure what you mean about trying the suggestions when firing up your scanner. I haven't fixed silver disc problems, that's why I'm taking the camera route...for now. :thumbsup:


  6th Apr 2018, 9:31 AM#20  REPORT  
getalife

So many questions, so few answers
Member since Nov 2010
877 Points
Moderator
Not the answer, but saving scan in Greyscale ??



Edited by Getalife on 6th Apr 2018, 9:37 AM

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