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Author Topic: Color shift with 2x2  (Read 4099 times)
jimford
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« on: July 18, 2010, 03:18:01 PM »

I've produced two, 2x2 prints to make A2 prints from 4 A4s. In both cases the last 2 A4s have shifted to a bluish tone, with the last print being worse than the third.

The first time it happened I thought it might be a paper quality problem, but now I'm not so sure. It might be printer related, but I don't see this sort of shift when producing a run of 'ordinary' prints. To see if it was a Qimage related problem, I tried printing to PrimoPDF and saving to file so I can hopefully examine the individual images., but it didn't produce a valid PDF file.

I'm using an Epson Stylus Photo 895 printer.

Has anyone experienced this or can suggest what the problem might be, please?

Jim
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Fred A
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« Reply #1 on: July 18, 2010, 03:27:18 PM »

Do a nozzle clean.
Check paper selection in driver.
Check for printer profile making sure you are using the correct one if you use profiles.
Terry will follow up if I cannot reply.

Fred
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Terry-M
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« Reply #2 on: July 18, 2010, 05:48:14 PM »

Hi Jim,
I agree with Fred, nozzle clean and print a check pattern. Look at it very carefully & critically, the Epson pattern has fine lines. Clean the nozzles until pattern is perfect if necessary.
Blocked nozzles is often the cause of odd colour shifts in a print and should be the first port of call before looking for something more complicated, especially as your colour shift is variable.
As a matter of interest, whose inks are you using, Epson or a compatible?
Terry
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jimford
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« Reply #3 on: July 18, 2010, 09:47:42 PM »

Thanks for the replies.

I always check the printer nozzle patterns before I print. I also profile my printer (with a ColorMunki), so colour accuracy is usually not a problem.
I use a CIS filled with good quality German manufacture inks (OCP - http://www.ocp.de/content.php?lang=en).

I can usually produce a run of (say) 6 identical A4 prints, all with the same colour balance from Photoshop.

I've now managed to print to PrimoPDF to produce a PDF file with the 4 images that would make up the A2 print, and they all look pretty similar in colour, so it's probably a printer related problem rather than Qimage. I'll give it another try, checking the nozzle pattern _after_ the print run as well as before.

Jim
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