Plustek 8100 problems

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p.x
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Plustek 8100 problems

Postby p.x » Sat Jul 19, 2014 9:46 am

Hi,

I recently bought a Plustek 8100 to scan all my old negs. I used to work in a motion picture film lab and used short ends of Kodak and Fuji stock in my stills camera (Kodak 5245, Fuji F500 etc). So I understand that my scans are not off standard stills film and will need a little tweaking.

OK here's the problem - I'll be scanning happily when all of a sudden the scanner will go MUCH slower and produce a result that is completely different to the prescan. I can tell now because of the difference in the time taken to scan, and if I cancel the scan, the scan button stays grey so I can't try again until I close silverfast and start it up again.
This pic shows the scan with the prescan in the background -

plustek_8100_scan_problem.png
plustek_8100_scan_problem.png (115.76 KiB) Viewed 5645 times


So 3 things -
1. scanner goes MUCH slower all of a sudden
2. scans are not matching prescan BY A LONG WAY
3. I have to close and restart silverlight after cancelling the scan because the scan button stays greyed out

Is this a bug? It's very annoying, can it please be fixed? Most of my scans are working fine but after about 5 or 6 frames it suddenly does this for no apparent reason.

Thanks,
Paul

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LSI_Ketelhohn
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Re: Plustek 8100 problems

Postby LSI_Ketelhohn » Thu Jul 24, 2014 3:25 pm

Dear Paul,

This happens with an older driver and has been fixed by Plustek.

Please make sure you have the latest driver and the latest SilverFast update installed.
(On OSX the driver is included in SilverFast)

In case you have further issues I need to know which operating system you are using.


Kind regards,
Arne Ketelhohn.

p.x
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Re: Plustek 8100 problems

Postby p.x » Sat Jul 26, 2014 12:10 pm

Thank you Arne, I downloaded the driver and it seemed to fix the problem.. Unfortunately the scanner seems to have developed another problem - the scans are coming out with only part of the picture on the right hand side. I tried changing resolution and got inconsistent results. The amount of picture on the right side varied between scans. About one third of the time the scans were ok. Sometimes the left hand side of the frame is white, sometimes black. I think the scanner is going to be returned!

20140726_test_3600_006.jpg
20140726_test_3600_006.jpg (47.25 KiB) Viewed 5607 times

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Re: Plustek 8100 problems

Postby LSI_Ketelhohn » Wed Jul 30, 2014 4:32 pm

Dear Paul,

That seems to be an hardware issue.
I assume the holder is correctly inserted.

Are you on a Windows machine?
If so please test the scanner using the simpler Quickscan utility from Plustek.

kind regards,
Arne Ketelhohn.

Gil-Martin
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Re: Plustek 8100 problems

Postby Gil-Martin » Fri Feb 06, 2015 12:57 pm

Hello,

I am having a very similar problem with my new Plustek 8200i Ai:

At the moment I'm scanning T-Max 400 at 3,600ppi with minor adjustments to the Histogram and Light GANE.
Each scan takes about 30 seconds.
However, if I repeat the scan, then for no apparent reason the second scan takes much longer - around 3 minutes! - and the result is much darker than the prescan!

I've learned to cancel the scan if it sounds like it's going to be a 'longer' scan, and try again, but this glitch is seriously compromising my workflow.

I'm running Silverfast 8.2.0r3 on a Mac Pro 10.6.8

Can you help?

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Re: Plustek 8100 problems

Postby LSI_Ketelhohn » Tue Feb 10, 2015 10:58 am

Dear customer,

You probably are using an outdated driver.
Plustek has already solved such an issue some time ago.

Please do the following:
1. Remove all "Plustek****.framework" files from the directory
/Library/Frameworks
2. Then reinstall the latest update from our website.

Kind regards,
Arne Ketelhohn.

Gil-Martin
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Re: Plustek 8100 problems

Postby Gil-Martin » Tue Feb 10, 2015 1:44 pm

Many thanks,

Downloading the driver fixed this issue - even though I couldn't find any /Libary/Frameworks files to remove

Kind regards,
Gil-Martin

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Re: Plustek 8100 problems

Postby LSI_Ketelhohn » Fri Feb 13, 2015 2:46 pm

Dear Gil-Martin,

Good to hear that.
Have a nice weekend.

Kind regards,
Arne Ketelhohn.

Mandibela
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Re: Plustek 8100 problems

Postby Mandibela » Fri Mar 06, 2015 2:45 pm

Hello everybody.

Sorry for hijacking a thread, but I have a VERY similar issue, but on a Windows machine. The final scans have a very distinct pink hue, not present in the preview of my SilverScan SE Plus.

I did download the latest (?) driver, OF8100-V5001_13L.zip (the page says version 5.0.0.1) and got it installed.

But the driver in use, when viewed trough the Windows device manager, has the grouped version number of only 4.0.0.0. Can anyone confirm that the right driver is in use?

1-150005-003.jpg
left scanned, right preview
1-150005-003.jpg (196.09 KiB) Viewed 5010 times

Image attached is a screen shot, on the left the final scan; on the right, the preview. Scanned with the latest driver.

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Re: Plustek 8100 problems

Postby LSI_Ketelhohn » Mon Mar 09, 2015 4:38 pm

Dear customer,

Is the difference in the scan always the same?

Which version of SilverFast are you using?

In case you are using Multi-Exposure try activating the Multi-Exposure pre-view in the preferences' special tab.

In case the difference is fluctuating with different color hues in every scan you will have to contact Plustek about this.

Kind regards,
Arne Ketelhohn.

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Re: Plustek 8100 problems

Postby Mandibela » Tue Mar 10, 2015 12:08 pm

LSI_Ketelhohn wrote:Is the difference in the scan always the same?

Hard to determine. It appears to be similar, always towards pink/purple. I tried to counter it by adding green and yellow to the preview, but the correct amount and direction is very difficult to estimate without a preview. The white and color balance are random from my point of view at this moment.
LSI_Ketelhohn wrote:Which version of SilverFast are you using?

I started with an older version that came with the scanner, but now I am using 8.2.0r3.
LSI_Ketelhohn wrote:In case you are using Multi-Exposure try activating the Multi-Exposure pre-view in the preferences' special tab.

I did more testing, and the error in hue comes only (I'm not yet very sure) after enabling ME. Also, there might be an issue with alignment between the two scans. I must do more testing.
LSI_Ketelhohn wrote:In case the difference is fluctuating with different color hues in every scan you will have to contact Plustek about this.

I have sent Plustek my question via their web service. But the hardware seems to work properly, as I can use "3rd party software" with good results, which also offers multiple exposure funtion.

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Re: Plustek 8100 problems

Postby LSI_Ketelhohn » Thu Mar 26, 2015 11:06 am

Dear customer,

Did you activate the Multi-Exposure preview in the preferences?
For some films this is advisable.

Kind regards,
Arne Ketelhohn.

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Re: Plustek 8100 problems

Postby tskrlj » Sat Mar 19, 2016 3:58 pm

I am also having an issue similar to these.

I have the most recent version of OSX silverfast installed, but it is saying that my 8100 is not connected, even though it is..

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Re: Plustek 8100 problems

Postby LSI_Ketelhohn » Wed Mar 30, 2016 12:36 pm

Dear customer,

please install the latest drivers from the Plustek website.

Kind regards,
Arne Ketelhohn.


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