Strange colour artifact when printing

B
Posted By
Beemer
Jun 27, 2006
Views
384
Replies
8
Status
Closed
I have an Epson 1290 (Euro equiv of 1280) and printing using PS CS2 is normally good. However I occasionally get some blacks typically hair which print extremely orange whilst other blacks in the same image print black! this happens even if both cartidges are new.

This may happen, but I’m not certain, after I have used Image/adjustment/levels/ set white point.

The printed image at 1440dpi is very smooth and natural in most of the image but some like hair, lips and deep shadows are very red/orange.

I do not use Adobe gamma and have only one other gamma program running to adjust LUT.

Why might the be a shift to red in shadow areas?

Beemer

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B
Beemer
Jun 28, 2006
"Beemer" wrote in message
|I have an Epson 1290 (Euro equiv of 1280) and printing using PS CS2 is | normally good. However I occasionally get some blacks typically hair which
| print extremely orange whilst other blacks in the same image print black! | this happens even if both cartidges are new.
|
| This may happen, but I’m not certain, after I have used | Image/adjustment/levels/ set white point.
|
| The printed image at 1440dpi is very smooth and natural in most of the image
| but some like hair, lips and deep shadows are very red/orange. |
| I do not use Adobe gamma and have only one other gamma program running to | adjust LUT.
|
| Why might the be a shift to red in shadow areas?
|
| Beemer
|

I should have said that the screen image does not show this orange/red problem.

Beemer
W
Waldo
Jun 28, 2006
Beemer wrote:
"Beemer" wrote in message
|I have an Epson 1290 (Euro equiv of 1280) and printing using PS CS2 is | normally good. However I occasionally get some blacks typically hair which
| print extremely orange whilst other blacks in the same image print black! | this happens even if both cartidges are new.
|
| This may happen, but I’m not certain, after I have used | Image/adjustment/levels/ set white point.
|
| The printed image at 1440dpi is very smooth and natural in most of the image
| but some like hair, lips and deep shadows are very red/orange. |
| I do not use Adobe gamma and have only one other gamma program running to | adjust LUT.
|
| Why might the be a shift to red in shadow areas?
|
| Beemer
|

I should have said that the screen image does not show this orange/red problem.

Beemer

What is doing the color management, photoshop or the epson printer driver or both?

Waldo
B
Beemer
Jun 28, 2006
"Waldo" wrote in message
| Beemer wrote:
| > "Beemer" wrote in message
| > | > |I have an Epson 1290 (Euro equiv of 1280) and printing using PS CS2 is | > | normally good. However I occasionally get some blacks typically hair | > which
| > | print extremely orange whilst other blacks in the same image print black!
| > | this happens even if both cartidges are new.
| > |
| > | This may happen, but I’m not certain, after I have used | > | Image/adjustment/levels/ set white point.
| > |
| > | The printed image at 1440dpi is very smooth and natural in most of the | > image
| > | but some like hair, lips and deep shadows are very red/orange. | > |
| > | I do not use Adobe gamma and have only one other gamma program running to
| > | adjust LUT.
| > |
| > | Why might the be a shift to red in shadow areas? | > |
| > | Beemer
| > |
| >
| > I should have said that the screen image does not show this orange/red | > problem.
| >
| > Beemer
| >
| >
|
| What is doing the color management, photoshop or the epson printer | driver or both?
|
| Waldo

Waldo, Only Photoshop is doing colour management. All images have embedded Adobe RGB 1998 and are not converted. I’m wondering if on these problem prints it is something to do with me altering levels especially at the black end or if using the black point dropper incorrectly could cause it. At the area which is orange there is horizontal banding but no banding on either side, e.g. a head would have banded orange hair but the background on either side has no banding!

Beemer
W
Waldo
Jun 28, 2006
Beemer wrote:
"Waldo" wrote in message
| Beemer wrote:
| > "Beemer" wrote in message
| > | > |I have an Epson 1290 (Euro equiv of 1280) and printing using PS CS2 is | > | normally good. However I occasionally get some blacks typically hair | > which
| > | print extremely orange whilst other blacks in the same image print black!
| > | this happens even if both cartidges are new.
| > |
| > | This may happen, but I’m not certain, after I have used | > | Image/adjustment/levels/ set white point.
| > |
| > | The printed image at 1440dpi is very smooth and natural in most of the | > image
| > | but some like hair, lips and deep shadows are very red/orange. | > |
| > | I do not use Adobe gamma and have only one other gamma program running to
| > | adjust LUT.
| > |
| > | Why might the be a shift to red in shadow areas? | > |
| > | Beemer
| > |
| >
| > I should have said that the screen image does not show this orange/red | > problem.
| >
| > Beemer
| >
| >
|
| What is doing the color management, photoshop or the epson printer | driver or both?
|
| Waldo

Waldo, Only Photoshop is doing colour management. All images have embedded Adobe RGB 1998 and are not converted. I’m wondering if on these problem prints it is something to do with me altering levels especially at the black end or if using the black point dropper incorrectly could cause it. At the area which is orange there is horizontal banding but no banding on either side, e.g. a head would have banded orange hair but the background on either side has no banding!

Beemer

Not correct, the Epson driver can also do color management. If both Photoshop and the driver are applying color transformations, you get strange results.

Waldo
MH
Mike Hyndman
Jun 28, 2006
"Beemer" wrote in message
"Waldo" wrote in message
| Beemer wrote:
| > "Beemer" wrote in message
| > | > |I have an Epson 1290 (Euro equiv of 1280) and printing using PS CS2 is
| > | normally good. However I occasionally get some blacks typically hair
| > which
| > | print extremely orange whilst other blacks in the same image print black!
| > | this happens even if both cartidges are new.
| > |
| > | This may happen, but I’m not certain, after I have used | > | Image/adjustment/levels/ set white point.
| > |
| > | The printed image at 1440dpi is very smooth and natural in most of the
| > image
| > | but some like hair, lips and deep shadows are very red/orange. | > |
| > | I do not use Adobe gamma and have only one other gamma program running
to
| > | adjust LUT.
| > |
| > | Why might the be a shift to red in shadow areas? | > |
| > | Beemer
| > |
| >
| > I should have said that the screen image does not show this orange/red | > problem.
| >
| > Beemer
| >
| >
|
| What is doing the color management, photoshop or the epson printer | driver or both?
|
| Waldo

Waldo, Only Photoshop is doing colour management. All images have embedded Adobe RGB 1998 and are not converted. I’m wondering if on these
problem prints it is something to do with me altering levels especially at the black end or if using the black point dropper incorrectly could cause it. At the area which is orange there is horizontal banding but no banding
on either side, e.g. a head would have banded orange hair but the background on either side has no banding!
Beemer,

Any help? http://www.computer-darkroom.com/ps9_print/ps9_print_1.htm

MH
B
Beemer
Jun 28, 2006
"Waldo" wrote in message
| Beemer wrote:
| > "Waldo" wrote in message
| > | > | Beemer wrote:
| > | > "Beemer" wrote in message
| > | > | > | > |I have an Epson 1290 (Euro equiv of 1280) and printing using PS CS2 is
| > | > | normally good. However I occasionally get some blacks typically hair
| > | > which
| > | > | print extremely orange whilst other blacks in the same image print | > black!
| > | > | this happens even if both cartidges are new. | > | > |
| > | > | This may happen, but I’m not certain, after I have used | > | > | Image/adjustment/levels/ set white point. | > | > |
| > | > | The printed image at 1440dpi is very smooth and natural in most of the
| > | > image
| > | > | but some like hair, lips and deep shadows are very red/orange. | > | > |
| > | > | I do not use Adobe gamma and have only one other gamma program running
| > to
| > | > | adjust LUT.
| > | > |
| > | > | Why might the be a shift to red in shadow areas? | > | > |
| > | > | Beemer
| > | > |
| > | >
| > | > I should have said that the screen image does not show this orange/red
| > | > problem.
| > | >
| > | > Beemer
| > | >
| > | >
| > |
| > | What is doing the color management, photoshop or the epson printer | > | driver or both?
| > |
| > | Waldo
| >
| > Waldo, Only Photoshop is doing colour management. All images have | > embedded Adobe RGB 1998 and are not converted. I’m wondering if on these
| > problem prints it is something to do with me altering levels especially at
| > the black end or if using the black point dropper incorrectly could cause
| > it. At the area which is orange there is horizontal banding but no banding
| > on either side, e.g. a head would have banded orange hair but the | > background on either side has no banding!
| >
| > Beemer
| >
| >
| >
|
| Not correct, the Epson driver can also do color management. If both | Photoshop and the driver are applying color transformations, you get | strange results.
|
| Waldo

Waldo,

When I said "Only Photoshop is doing colour management" I meant that it is turned off in the Epson driver.

Beemer
B
Beemer
Jun 28, 2006
"Mike Hyndman" wrote in message
|
| "Beemer" wrote in message
| | >
| > "Waldo" wrote in message
| > | > | Beemer wrote:
| > | > "Beemer" wrote in message
| > | > | > | > |I have an Epson 1290 (Euro equiv of 1280) and printing using PS CS2 | > is
| > | > | normally good. However I occasionally get some blacks typically | > hair
| > | > which
| > | > | print extremely orange whilst other blacks in the same image print | > black!
| > | > | this happens even if both cartidges are new. | > | > |
| > | > | This may happen, but I’m not certain, after I have used | > | > | Image/adjustment/levels/ set white point. | > | > |
| > | > | The printed image at 1440dpi is very smooth and natural in most of | > the
| > | > image
| > | > | but some like hair, lips and deep shadows are very red/orange. | > | > |
| > | > | I do not use Adobe gamma and have only one other gamma program | > running
| > to
| > | > | adjust LUT.
| > | > |
| > | > | Why might the be a shift to red in shadow areas? | > | > |
| > | > | Beemer
| > | > |
| > | >
| > | > I should have said that the screen image does not show this orange/red
| > | > problem.
| > | >
| > | > Beemer
| > | >
| > | >
| > |
| > | What is doing the color management, photoshop or the epson printer | > | driver or both?
| > |
| > | Waldo
| >
| > Waldo, Only Photoshop is doing colour management. All images have | > embedded Adobe RGB 1998 and are not converted. I’m wondering if on | > these
| > problem prints it is something to do with me altering levels especially at
| > the black end or if using the black point dropper incorrectly could cause
| > it. At the area which is orange there is horizontal banding but no | > banding
| > on either side, e.g. a head would have banded orange hair but the | > background on either side has no banding!
| >
| Beemer,
|
| Any help? http://www.computer-darkroom.com/ps9_print/ps9_print_1.htm |
| MH
|
|
Mike,

Thanks for the link which I had read last year. Its a good description of workflow and I have followed Ian Lyon’s recommendations. I still can’t figure out my problem. Why does it occur only in dark areas of the print, only in some prints but is repeatable when printing the same image again? Nozzle check pattern is perfect.

Sometimes I have made the mistake of adjusting levels twice. The histogram then looks like a comb. Perhaps I’ve done this lost black content then saved the image so losing it permanently? No doubt someone will say thats a crazy assumption but I’m scratching for ideas.

Beemer
MH
Mike Hyndman
Jun 28, 2006
"Beemer" wrote in message
"Mike Hyndman" wrote in message
|
| "Beemer" wrote in message
| | >
| > "Waldo" wrote in message
| > | > | Beemer wrote:
| > | > "Beemer" wrote in message
| > | > | > | > |I have an Epson 1290 (Euro equiv of 1280) and printing using PS CS2
| > is
| > | > | normally good. However I occasionally get some blacks typically | > hair
| > | > which
| > | > | print extremely orange whilst other blacks in the same image print
| > black!
| > | > | this happens even if both cartidges are new. | > | > |
| > | > | This may happen, but I’m not certain, after I have used | > | > | Image/adjustment/levels/ set white point. | > | > |
| > | > | The printed image at 1440dpi is very smooth and natural in most of
| > the
| > | > image
| > | > | but some like hair, lips and deep shadows are very red/orange. | > | > |
| > | > | I do not use Adobe gamma and have only one other gamma program | > running
| > to
| > | > | adjust LUT.
| > | > |
| > | > | Why might the be a shift to red in shadow areas? | > | > |
| > | > | Beemer
| > | > |
| > | >
| > | > I should have said that the screen image does not show this orange/red
| > | > problem.
| > | >
| > | > Beemer
| > | >
| > | >
| > |
| > | What is doing the color management, photoshop or the epson printer | > | driver or both?
| > |
| > | Waldo
| >
| > Waldo, Only Photoshop is doing colour management. All images have | > embedded Adobe RGB 1998 and are not converted. I’m wondering if on | > these
| > problem prints it is something to do with me altering levels especially
at
| > the black end or if using the black point dropper incorrectly could cause
| > it. At the area which is orange there is horizontal banding but no | > banding
| > on either side, e.g. a head would have banded orange hair but the | > background on either side has no banding!
| >
| Beemer,
|
| Any help? http://www.computer-darkroom.com/ps9_print/ps9_print_1.htm |
| MH
|
|
Mike,

Thanks for the link which I had read last year. Its a good description of workflow and I have followed Ian Lyon’s recommendations. I still can’t figure out my problem. Why does it occur only in dark areas of the print, only in some prints but is repeatable when printing the same image again? Nozzle check pattern is perfect.

Sometimes I have made the mistake of adjusting levels twice. The histogram
then looks like a comb. Perhaps I’ve done this lost black content then saved the image so losing it permanently? No doubt someone will say thats a
crazy assumption but I’m scratching for ideas.
Beemer,
Have you tried printing the image from say, Windows Picture and Fax Viewer?

MH

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