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Author Topic: Epson R1800 Color Problems  (Read 21847 times)
kenbert
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« on: June 07, 2015, 03:46:43 PM »

My aging R1800 is still capable of producing great prints, however, I have been unable to get results that match the monitor in many cases. There is both a color shift and density issue. The most recent example is a set of prints I made with Qimage Ultimate from an iphone, which uses sRGB color space. The prints come out about one stop too dark and slightly blue-shifted. I have gone through all of the usual steps in the past, i.e. monitor calibration, double and triple checking driver settings, etc. I even have profiles made with Profile Prism. The puzzling part is that I have ColorMatch RGB reference image that seems to match nearly perfectly. The problems seem to be somewhat image-dependent, making predictatble corrections difficult. For now, I have resorted to making test images in small formats. Once adjustments are made, they hold when when scaled up to larger prints. The frustrating part is that I didn't always have these problems. Somewhere along the line these issues got introduced. Something I haven't tried is uninstalling/reinstalling the Epson driver, because that just doesn't seem to make sense to me. I have considered replacing the printer with a new model, but I'm not sure there isn't something else in my workflow causing the problem. I'm having trouble letting go of the belief that there is something I can do to get back to making great prints on the first try with this printer. Thanks for any advice.
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Fred A
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« Reply #1 on: June 08, 2015, 09:08:43 AM »

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puzzling part is that I have ColorMatch RGB reference image that seems to match nearly perfectly. The problems seem to be somewhat image-dependent, making predictatble corrections difficult.

Have you tried to print with images from a real camera?

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I have been unable to get results that match the monitor in many cases. There is both a color shift and density issue. The most recent example is a set of prints I made with Qimage Ultimate from an iphone, which uses sRGB color space. The prints come out about one stop too dark and slightly blue-shifted. I have gone through all of the usual steps in the past, i.e. monitor calibration, double and triple checking driver settings, etc. I even have profiles made with Profile Prism.

Prints too dark compared to what? The monitor? Softproof? A real print?


Quote
I have been unable to get results that match the monitor in many cases. There is both a color shift and density issue. The most recent example is a set of prints I made with Qimage Ultimate from an iphone, which uses sRGB color space. The prints come out about one stop too dark and slightly blue-shifted.

Monitor calibration, even though the colors are profiled, can still be too bright and usually is.
Then the prints are dark by comparison.
Can you run some tests by printing with the Epson profile for the paper you have, or set the driver to ICM and Qimage to Let Printer handle colors?

How is the White Balance of the image.?
Can you send me one?
wathree.ssz@verizon.net

Fred
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kenbert
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« Reply #2 on: June 08, 2015, 01:32:16 PM »

Thanks, Fred, for your response.

Quote

Have you tried to print with images from a real camera?
It also happens with some images taken with my Olympus E-30. I shoot raw+jpeg, Adobe RGB. I only chose this image because it is the most recent example. This has been going on for a while. I have pursued it in the past, then just set it aside. There was a time when this wan't happening, so some time ago, something changed. I used to print with Photoshop with good results, and then switched to Qimage with good results for some time. Monitor and printer have been the same throughout. Software versions have received updates, except I stopped at PS CS5. The printer driver is the latest one provided by Epson, which dates to 2007. Installed it a few years ago after switching the OS from XP to Win7.

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Prints too dark compared to what? The monitor? Softproof? A real print?
Softproof looks correct. Real prints are too dark.

Quote

Monitor calibration, even though the colors are profiled, can still be too bright and usually is.
Then the prints are dark by comparison.
Can you run some tests by printing with the Epson profile for the paper you have, or set the driver to ICM and Qimage to Let Printer handle colors?
I've already done that. I can see slight color variations using various profiles, letting the printer manage colors with various printer options, but always too dark.

Quote
How is the White Balance of the image.?
Can you send me one?
Thanks, I'll take you up on that.
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Fred A
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« Reply #3 on: June 08, 2015, 03:24:13 PM »

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Thanks, I'll take you up on that.

Ken,
Here's what I got, and what I did!!

Received two images. One was a color chart shot using the iPhone.
The other I would guess was also from the iphone, based on the conditions of the shot, all crowded in.
I really don't know because whatever you used to create the JPG of the dog and the man completely wiped out all EXIF information.

So first thing I did was a White Balance of the dog with sunglasses (Love that shot).  It was overly blue, but hadf no effect on the print other than its camera white balance versus a reset white balance.
I made both prints. Either one is very good. There is no blue cast, and certainly not printing too dark... same as my monitor.

Next, I turned off my monitor profile and checked the gray scale ... definitely favoring the blue side.
The patches were not evenly lighted and the readings were all over the place....;/...  AND, the color chart was shot with an Iphone too.

So I don't know the light source for the color chart image, so I can only say, it prints what is on my screen

On a couple of gray patches I got, 188, 196, 209    133, 139, 151

Conclusion?
There's nothing wrong with Qimage, my monitor or printer profile.
There's really nothing wrong with the shots either... they look fine and print fine.
That leaves the culprit hiding either in your driver where you have some odd setting invoked. See screen snap, or a print filter invoked, see screen snap.
or the printer heads are clogged (blue cast) ...
I had an R 1800m prior to this R 2000, and it made gorgeous prints until the heads were bleeding over and colors were mixing.

Best I can do from here.

Sorry I took so long. I had to get my haircut.  What little I have left.

Fred
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kenbert
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« Reply #4 on: June 08, 2015, 06:36:59 PM »

Thanks, Fred, for your efforts.  I think the EXIF data from the dog/man image may have been lost when it was emailed to me directly from an iPhone. It was shot on an iPhone 6 Plus.  The color chart was my own very quick and very dirty way to get an image with some reference tones. I admit that what I got is by no means a reference, and I should take the time to shoot it under controlled conditions. It was just laid out on a walkway in shaded sunlight. Anyway, it's very helpful to have an independent verification that the images themselves are not the problem. I've poured over my Epson driver and Qimage settings again and again. I've run the Qimage unclog pattern and Epson nozzle check and things look fine.  Maybe the next step is to try reinstalling the Epson driver. A corrupted driver seems unlikely, though.
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kenbert
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« Reply #5 on: September 12, 2016, 07:02:57 PM »

Just to follow up on this old topic, I finally bought a new Epson P600 to replace the R1800. It is producing prints that match the monitor perfectly, including the example provided to Fred. For some reason, the R1800 had been distorting colors such that there was no predictability without making several test prints for each image to be printed. Don't know if it was software or hardware, (driver had been reinstalled), but given it's age, a new printer seemed like the best way to go. So far, I'm loving the new printer!
« Last Edit: September 12, 2016, 07:16:48 PM by kenbert » Logged
Fred A
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« Reply #6 on: September 12, 2016, 07:18:14 PM »

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ust to follow up on this old topic, I finally bought a new Epson P600 to replace the R1800. It is producing prints that match the monitor perfectly, including the example provided to Fred. For some reason, the R1800 had been distorting colors such that there was no predictability without making several test prints for each image to be printed. Don't know if it was software or hardware, (driver had been reinstalled), but given it's age, a new printer seemed like the best way to go. So far, I'm loving the new printer!

Sounds like the 1800 had clogged heads... I had that too at the end of its life.

Fred
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kenbert
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« Reply #7 on: September 13, 2016, 01:54:00 PM »

Fred, you are probably right. The R1800 did have long periods of weeks and sometimes months of inactivity. I can easily see where there could be dried up ink blockages in various parts of the ink delivery system that were beyond the ability of Qimage unclogging and Epson cleaning routines to handle. Perhaps there is a more thorough manual cleaning process that could be done by disassembling the unit, but that seems like just too much effort. I plan to take advantage of the Qimage scheduled unclogging feature to keep the P600 in top shape. Lesson learned.

Thanks for your comments.

- Ken
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wolverine@MSU
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« Reply #8 on: September 14, 2016, 12:42:57 PM »

You'd be surprised how much "clogging" can be fixed with patience and persistence.  If you do the Windex soaking pad of paper towel on the parked printhead overnight several times and the GENTLY push Windex in and out of the take-up ports (with a syringe and piece of plastic tubing) you can often clear what initially seemed like hopeless clogging.  Unlike my old R1800, which suffered from this a lot, the R2000 can sit for several weeks unused and produce a perfect nozzle check when I fire it back up.
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Fred A
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« Reply #9 on: September 14, 2016, 12:59:15 PM »

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the R2000 can sit for several weeks unused and produce a perfect nozzle check when I fire it back up.
I have an R2000 also, and you notice that it does the shimmy shimmy from time to shake up the inks. That probably helps.
I did have some clogging a couple of weeks ago, but I had some really outdated ink in there. Replaced a few cartridges (even though they still showed plenty of ink) and so far knock wood, going along swell.

Great Printer

Fred
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