Colour management on HP 8750.

My prints are much darker and with a strong blue cast than seen on the monitor. I have tried "let photoshop manage colour", "let printer manage colour"; "no colour management". I have just calibrated screen and printer with a Colormunki to try to solve this, and it is no better. What am I missing? Is there something else also managing colour? I have had superb results and I don't know what I've done to alter the settings..
Quietly desperate...
many thanks
johnsl66

Hard Reset – While printer is powered ON, pull the power cord from the printer then from the wall. After 30 seconds reconnect power to wall and printer. This will trigger a ‘dirty power up’ and restore the printer to a known good condition (if it is possible). No user settings are lost with a ‘hard reset’.
This ‘Hard Reset’ is one of the most powerful tools to use when the printer hardware is not functioning properly!
Although I am working on behalf of HP, I am speaking for myself and not for HP.
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Similar Messages

My problem is that after printing the first photo or picture, when I come to print a second, both the Colour Management and Epson Colour Controls are greyed out and showing No Colour Management

I have recently purchased a Mac computer (updated to Maverick) to go with my Epson Stylus Photo RX500 printer which has given excellent service with my old Windows computer. However, when trying to print pictures or photos via Photoshop Elements 11, the best results I can get are using the Colour Management and Epson Colour controls in the printing options box.
My problem is that after printing the first photo or picture, when I come to print a second, both the Colour Management and Epson Colour Controls are greyed out and showing No Colour Management, The only way I can reset the controls is to shut down the printer and computer and restart.
Could there may be a setting somewhere that I need to adjust please? I have been in touch with Epson and they say that the Epson Colour controls are part of the Photoshop Elements software but a post on the Adobe forum brought no results and I am unable to contact Adobe.
<Edited by Host>

Hello Garry. Thanks for the reply. I guess I should have used a different title from "How do I post a question?" That should come after trying to resolved the colour settings first. However, to answer your question, after experimenting with all the different settings in Photoshop Elements and Epson software, I now start with PSE11 Colour settings then click "no colour management" then after clicking Print, I choose "More Options/Colour Management/Colour Handling/Printer Manages Colour" then I choose "Page Setup/Layout/Colour Matching" which then shows Epson Colour Controls but I also choose "Layout/Colour Management" which then shows "Colour Controls/Mode" I then of course choose an Epson printer profile depending on the paper I am using. I get good results but as I said, the Colour Matching and Colour Controls are then greyed out. Hope that makes sense.

Colour Management - who does what - Some thoughts now the smoke is clearing

First up, thanks very much to everyone who contributed their ideas and expertise to my recent query here, when I was seeking help for a problem with colour management issues when printing a magazine I edit. I have a ton of suggestions to work through and study but the smoke is slowly clearing and it raises some interesting points which I think are worth recounting.
First of all, I have been editing short run magazines now for 25 years, at first part time and later on a professional contract basis. I am not a trained graphic designer nor a trained printer. I did start out training as a graphic designer, many years ago but gave it up for a career in IT (as a networking specialist). That was full time until 10 years ago, although I did some freelance writing and editing in my spare time.
And yes, I did start originally with scissors and cut and paste, and moved on through black and white with spot colour and Pagemaker software to full colour and InDesign today. One thing which may be different about my experience to most of yours is that I am a PC user and always have been. All my editing and graphics work has always been done on a PC - Pagemaker was our DTP package of choice for a long time and we supplemented this with Corel-Draw (which has a range of graphics handling options). All my software is legal and I always register it and keep it up to date. I have used the same graphic designer for quite a few years now and whenever we upgrade our software he goes and gets trained on the latest release.
Around 10 years ago I was offered the chance to edit a specialist short run magazine (not the current one). This was a chance I took and gave up the day job and became a full time freelance. Editing is not my main or only source of income. I am also a freelance writer and photographer and heritage consultant and I have a specialist image library.   I sell my own sell my work - articles and pictures - to the national and local press. I also write books (non fiction) on commission. The magazine editing is really an extension of my interest in historic landscapes. I have never had any complaints, or problems, with the freelance work, photos and archived images I sell. Clients include national newspapers here in the UK, national magazine groups and my books are available in national bookstore chains. I supply my work digitally, naturally, and it includes photos I have taken myself and items which I have scanned into my library of historical images and store on line. No reported colour management issues there.
I have always enjoyed a good relationship with my publishers and printers because I seek to be as professional as possible, which means delivering my stuff on time, to the required standard so that minimum intervention is required from them. This does assume that I have a clear brief from them on what they need from me.
Recently this approach has not been enough to avoid colour management issues with the short run magazine I currently edit. I have been wondering when and where things went astray and date it back to the upgrade to InDesign two years ago. However it may have its roots in my earlier decision to use PCs not Macs for my work.
Until 4 years ago I had used the same printers for magazine editing for many years. They were a well respected firm specialising in short run magazines. They were not far from where I live and work and if there was a problem I would go over and discuss it with them. They were happy, and competent, to handle Pagemaker files generated on a PC and convert my rgb images to cmyk if there was any concern about the colour balance. On a few occasions I paid them to scan a photo for me. However 4 years ago the owner decided to retire and shut up shop. I needed to find a new printers and it had to be someone who specialised in short run magazines and could meet the budget of the charity I edit for. Also someone who could handle copy generated using Pagemaker running on a PC. I chose a printers I had used briefly in the past where I knew some of the staff and was promised PC based Pagemaker would not be a problem. I even got this in writing. I started to send them proofs generated using Pagemaker v7 on my PC.
I soon found that although they had agreed they could handle Pagemaker on a PC in fact they had only a few PC based clients and were using a single ageing PC running Pagemaker to proof their work. In fact nearly all their jobs were Quark based. I was also told we had to supply CMYK images although not given any further requirement so I now did the conversions from rgb to CMYK using my PhotoPaint software. (There are quite a few settings in Corel for the conversion but there was no guidance by the printer on which to use so to be honest it did not occur to me that it might be a problem).
Now of course I understand that the drive to get customers to supply CMYK images was a Quark driven requirement back in the late 1990s. I did not and do not use Quark so knew nothing for this. I did have some early colour problems and font incompatibilities with the new printers and was pressured by their senior Graphic Designer (who designed for their own contract clients) to upgrade to InDesign and provide them with a .pdf, which I was assured would solve all my problems. The .pdf would be the same as the final printed magazine because "it would not require any further intervention by the printers".
I expect you are collectively throwing up your hands in horror at this point, but I think he was speaking genuinely. The creation of a .pdf using InDesign, is widely promoted as the ultimate answer to all printing issues.   I have encountered it recently with a lot of printers' salesmen and my friend, who edits a learned journal, has just been told the same thing by her printers, to get her to upgrade to ID. Incidentally she also uses a PC.
So we upgraded our design process in house to InDesign and our graphic designer went on a course, two courses in fact. When we came to produce our first .pdf using ID, the printers' Senior Graphic designer came on the phone and talked our designer through the ID Export function. I think he may at that time have told him to create a preset profile with MPC and the defaults, but to be honest I don't recall. We were never sent anything in writing about what settings we needed to match theirs. I continued to have intermittant colour management problems but put this down to my photos. Things came to head with the most recent issue where the colours were badly out on the cover, supplied by a press agency and taken by a professional photographer. The printers seemed to have little or no idea about possible causes.
Initially I thought that part of the underlying cause must lie in some mismatch between what I was sending the printers and what they expected to receive so I asked them to specify what I should send. All they said was use Profile preset as MPC setting and accept the defaults which accompany it.
So I came on here looking for a solution. A lot of people were keen to offer their own experience which I really appreciate. However the messages could be conflicting. Some of you suggested it was the underlying cover photo which was at fault, some that it was my monitor which needed better calibration.
Many of you here said that part of the problem, if not the whole problem, was the way I was generating my CMYKs for the printer and I should use Photoshop to do this. You also mentioned a number of possible colour management settings which I should try.
At times the advice seemed to change tack. There were suggestions that the colour management issues I had were nothing to do with the printers, that it was up to me not them. Quite a lot of you said I needed to be better informed about Colour Management issues. I agree, but I had never had any previously (maybe good luck, maybe good support from my previous printer) so I was not even aware that I needed to be better informed. Some of you mildly chastised me for not finding out more and doing more to manage my own colour management with the switch to ID. To which I can only say if I had needed to train up, I would have done. I did not realise I needed to. Nor was my designer aware of the issues as colour management was not really covered on his ID courses which were about typesetting and design.
Some of you even seemed to hint that unless I was prepared to use an expensive high end printer or effectively retrain as a print specialist or get my graphic designer to do so, then I probably shouldn't be in the magazine editing game at all. OK maybe that is a bit harsh but you get the drift.
The fact is that printing is much more accessible these days to all sorts of people and in particular to people with PCs. My brother lives in a large village in an isolated area and produces a village magazine which has been a great success. It is in black and white with spot colour but he would like to move to an all colour issue. He is a bit nervous of the colour management issues as he has no experience of graphic design and is his own designer using a low end entry level design package. He too uses a PC. The printers reps all tell him the same thing they tell me, that all he needs to supply is a .pdf using InDesign.
Somewhere I feel a black hole has developed, maybe back in the 1990s with Quark 4.11. A lot of printers standardised on that, and set up a work flow and prepress dependent on CMYK images as provided by the clients. They assumed the the clients would doing their own colour management. This approach also assumes everyone is using Quark on a Mac with the full range of Adobe software. When it became possible to generate .pdfs using InDesign, this was held out to users as the Holy Grail of magazine printing, even though their workflows and prepress were still based on Quark 4.11 principles. Any underlying colour management issues the clients now have to tackle themselves.
So now we have the situation in which I find myself, having to learn from scratch a good deal about colour management issues so that I can tell the printers what is needed for my magazine. Meanwhile all the printing salesmen, the ones I encounter anyway, are still busy pushing the InDesign to .pdf as the "be all and end all" solution. Some re-education is needed for all parties I think.

I am glad to see that the sun is peeping through the clouds.
I apologise for my Aussie-style straight talk earlier, but as I said before it was not directed personally at you but in the direction of others whom you epitomize, repeating a conversation I have had many times over the last 10 years or so where respectable, well-meaning photographers, designers and other contributors refuse to accept that colour management is being thrust upon them.
It is a simple fact of life, there is this 'new' thing that has butted into the very root of our trades and changed the most basic principles of printing and photography. We expect that this kind of thing does not happen but the industry we now work in is not the same one we trained in twenty years ago.
Many printers are still struggling with the same conflict, so many tradespeople cannot accept this change.
This is exacerbated by the fact that colour management is so complicated to learn and implement and confounded by the fact that the default settings and a clumsy workflow often yield acceptable results with incorrect, generic settings, hence the old 'use InDesign and make a PDF and it will be ok' route.
When the chain of colour management includes the photographer, the photographer's client, the designer, the other designer maybe, the prepress person, and the platemaker, and a single incorrect click by any one of those can kill the CM it is not surprising that in the end when someone is looking back to see where it fell over they usually never find out.....   They will meet someone who says ' I never touched it, I simply opened the file and scaled it and closed it'. And that person will be a reputable photographer or designer (and CLIENT) who has no idea they just broke it. So what do we do? We go with the generic setting that seems to yield adequate results therefore avoiding the confrontation.
You need to understand the situation of the printer who took his business through the 'early' days of colour management, we had all kinds of very reputable sources supplying incorrect files, we did not have the expertise yet to be able to address the entire workflow, it would have meant training photographers and designers all through the best design houses and national institutions, because they blamed the printer. Only in the last few years have I seen these people coming around to the fact that they bear responsibility for implementing their own cm and maintaining it through their own work.
Sadly, many high end sources are still not there, and I mean HIGH end! Probably the ones that don't even visit this forum because they want to keep blaming the printer... They tend to live with the poor quality reproductions and just pull up the worst ones and fiddle with those and try to avoid the 'elephant in the room'.
I am sorry to say that it was not practical for a printer to reject mismanaged files for fear of losing clients who would happily accept less than perfect results in order to avoid the painful truth that was being told to them. The best thing we could do was to gently make those clients aware that their workflow was imperfect and hope to show them how we could help... Many print shops do not have someone knowledgeable enough or patient enough to do this, or the boss does not understand the issue either and tries to work around it to keep his jobs flowing in the expectation that all those experts in the chain will eventually tame the thing.
The many experts on this holy forum are waaaaayyyy ahead of the printing industry in general and photographers and designers in general in their understanding of colour management workflow. I have seen first hand how reputable local industry people and trainers alike are spreading misinformation and bad techniques, when I discovered these forums back in about 2002 I found that they opened up a whole new galaxy of knowledge and facts that actually worked and made sense, unlike what I had been told locally.... This forum taught me what the Adobe text books did not, the Tech' teachers did not, local 'experts' did not!
I tell all interested people to join these forums and learn to discriminate between the good and bad information.

How do I fix colour picker to work across different colour-managed monitors?

Hey everyone!
I'm assuming this problem I'm having stems from having colour-calibrated monitors, but let me know if I'm wrong!
To preface, this is the setup I have:
Windows 7
3 monitors as follows, all have individual colour profiles calibrated using the Spyder 3
Cintiq 12WX
Dell U2410
Dell 2409WFP
Photoshop CS6 - Proofed with Monitor RGB, and tested with colour-managed and non-colour-managed documents
I usually do most of my work on the Cintiq 12WX, but pull the photoshop window to my main monitor to do large previews and some corrections. I noticed that the colour picker wouldn't pick colours consistently depending on the monitor the Photoshop window is on.
Here are some video examples:
This is how the colour picker works on my Dell U2410: http://screencast.com/t/lVevxk5Ihk
This is how it works on my Cintiq 12WX: http://screencast.com/t/tdREx4Xyhw9
Main Question
I know the Cintiq's video capture makes the picture look more saturated than the Dell's, but it actually looks fine physically, which is okay. But notice how the Cintiq's colour picker doesn't pick a matching colour. It was actually happening the opposite way for a while (Dell was off, Cintiq was fine), but it magically swapped while I was trying to figure out what was going on. Anyone know what's going on, and how I might fix it?
Thanks for *any* help!
Semi-related Question regarding Colour Management
Colour management has always been the elephant-in-the-room for me when I first tried to calibrate my monitors with a Spyder colourimeter years ago. My monitors looked great, but Photoshop's colours became unpredictable and I decided to abandon the idea of calibrating my monitors for years until recently. I decided to give it another chance and follow some tutorials and articles in an attempt to keep my colours consistent across Photoshop and web browsers, at least. I've been proofing against monitor colour and exporting for web without an attached profile to keep pictures looking good on web browsers. However, pictures exported as such will look horrible when uploaded to Facebook. Uploading pictures with an attached colour profile makes it look good on Facebook. This has forced me to export 2 versions of a picture, one with an attached colour profile and one without, each time I want to share it across different platform. Is there no way to fix this issue?
Pictures viewed in Windows Photo Viewer are also off-colour, but I think that's because it's not colour managed... but that's a lesser concern.

I think I've figured out the colour management stuff in the secondary question, but the weird eyedropper issue is still happening. Could just be a quirk from working on things across multiple monitors, but I'm hoping someone might know if this is a bug/artifact.
Going to lay out what I inferred from my experiments regarding colour management in case other noobs like me run into the same frustrations as I did. Feel free to correct me if I'm wrong - the following are all based on observation.
General Explanation
A major source of my problems stem from my erroneous assumption that all browsers will use sRGB when rendering images. Apparently, most popular browsers today are colour-managed, and will use an image's embedded colour profile if it exists, and the monitor's colour profile if it doesn't. This was all well and good before I calibrated my monitors, because the profile attached to them by default were either sRGB or a monitor default that's close to it. While you can never guarantee consistency on other people's monitors, you can catch most cases by embedding a colour profile - even if it is sRGB. This forces colour-managed browsers to use sRGB to render your image, while non-colour-managed browsers will simply default to sRGB. sRGB seems to be the profile used by Windows Photo Viewer too, so images saved in other wider gamut colour spaces will look relatively drab when viewed in WPV versus a colour-managed browser.
Another key to figuring all this out was understanding how Profile Assignment and Conversion work, and the somewhat-related soft-proofing feature. Under Edit, you are given the option to either assign a colour profile to the image, or convert the image to another colour profile. Converting an image to a colour profile will replace the colour profile and perform colour compensations so that the image will look as physically close to the original as possible. Assigning a profile only replaces the colour profile but performs no compensations. The latter is simulated when soft-proofing (View > Proof Colors or ctrl/cmd-Y). I had followed bad advice and made the mistake of setting up my proofing to Monitor Color because this made images edited in Photoshop look identical when the same image is viewed in the browser, which was rendering my images with the Monitor's colour profile, which in turn stemmed from yet another bad advice I got against embedding profiles . This should formally answer Lundberg's bewilderment over my mention of soft-proofing against Monitor Colour.
Conclusion and Typical Workflow (aka TL;DR)
To begin, these are the settings I use:
Color Settings: I leave it default at North American General Purpose 2, but probably switch from sRGB to AdobeRGB or ProPhoto RGB so I can play in a wider gamut.
Proof Setup: I don't really care about this anymore because I do not soft-proof (ctrl/cmd-Y) in this new workflow.
Let's assume that I have a bunch of photographs I want to post online. RAWs usually come down in the AdobeRGB colour space - a nice, wide gamut that I'll keep while editing. Once I've made my edits, I save the source PSD to prep for export for web.
To export to web, I first Convert to the sRGB profile by going to Edit > Convert to Profile. I select sRGB as the destination space, and change the Intent to either Perceptual or Relative Colorimetric, depending on what looks best to me. This will convert the image to the sRGB colour space while trying to keep the colours as close to the original as possible, although some shift may occur to compensate for the narrower gamut. Next, go to Save for Web. The settings you'll use:
Embed Color Profile CHECKED
Convert to sRGB UNCHECKED (really doesn't matter since you're already in the sRGB colour space)
and Preview set to Internet Standard RGB (this is of no consequence - but it will give a preview of what the image will look like in the sRGB space)
That's it! While there might be a slight shift in colour when you converted from AdobeRGB to sRGB, everything from then on should stay consistent from Photoshop to the browser
Edit: Of course, if you'd like people to view your photos in glorious wide gamut in their colour-managed browsers, you can skip the conversion to sRGB and keep them in AdobeRGB. When Saving for Web, simply remember to Embed the Color Profile, DO NOT convert to sRGB, and set Preview to "Use Document Profile" to see what the image would look like when drawn with the embedded color profile

How do i turn off colour management in photoshop cc

i cannot make any sense of the 'help' on being able to see any display which allows me to turn off colour management in photoshop cc or in lightroom 5 when using my Mac 10.9.3

Good day!
What exactly do you mean?
Regards,
Pfaffenbichler

A Colour Management tutorial from an amateur

Archiving at the end of a long project I came across a document I assembled at the start when I wanted to teach myself about colour management. I spent several weeks reading, experimenting and putting together these notes, but it all came to nought. To quote from the notes:
…I chose not to use colour management when printing my books on a Xerox iGen3. I converted the InDesign files to PDF with all colour management turned off, and asked the printer to print ‘direct’. The iGen RIP converted RGB images to CMYK, and CMYK images were printed as per the colour numbers. Using certain colour settings for my monitor, and for Photoshop and InDesign, I was able to obtain a very close match between what was on screen and what was on paper without the need for profiles…
I've asked a fair few questions here over the years, and this forum has been a great help, but I rarely offer anything in return. Well, here's a little something that some people might find useful. A mob of information about colour management, collated from various sources with my tuppence worth here and there to make it flow. It was put together before my InDesign days when I used Pages, so forgive the mediocre layout.
Colour Management (450k) can be downloaded here: http://www.mediafire.com/?86edp6742ac6zlv (If Peter Spier is reading this: Peter, that's a hot link now; I've upgraded my Mediafire account so there are no more banners).
If anyone visits here in the future and that link doesn't work (which will happen if I upload a new version), try this one, a link to the folder: http://www.mediafire.com/?an9n0o36nymwv
Please let me know if there are any gross errors in the PDF and I'll fire up Pages and correct them.

geoffseeley, Welcome to the discussion area!
1) amber light keeps flashing but internet works - is this a problem?
I believe that indicates that you do not have wireless encryption enabled. If you enabled wireless encryption, the light should turn green.
3) how does iTunes work through the extreme box? am i supposed to plug my home cinema into the extreme box somehow?
The AirPort Extreme base station (AEBS) has no special features to support video/audio directly. iTunes has nothing to do with the AEBS.
The AirPort Express (AX) has an audio out port for streaming music from iTunes.

Deleted Colour Setting in Bridge, but Photoshop wants to Colour Manage every time I open a file.

I installed a Colour Setting in Bridge as per a printer's instructions. After I did this, every time I open something in Ps, It asks if it can colour manage the file and gives a few options. I deleted a Creative Suite Colour Setting from finder Bridge, but Photoshop still generates the popup every time. This interferes with Scripts in Ps and it's very annoying.

Deleting something in Bridge certainly won't help.
Change the color settings in Photoshop...

Pls help - colour management suite does not activate

Have the following problem with the bridge colour management properties opening:-
am in Bridge CS4-
inside dropdown menu "creative suite-colour management"
photoshop and illustrator are installed and in use
I cannot open this menu section as I get the following error code:-
This is my translation of the german as I have a german system - suite only possible when one of these programs have been started and in use.
So I cannot start this programm section, pls let me know what I can do. Both my programs ahve been started and have been used more than once.
Thks for the help, the adobe people cannot help me

Hi Omke,
Tryed both, start up scripts for AI and PS are activated and I also tryed to
refresh teh preferences as explained below....
Seams to be a bigger probleme.
Thanks Charles
Am 19.05.2009 18:49 Uhr schrieb "Omke Oudeman" unter <[email protected]>:
do you have both the start up scripts checked for AI and PS in the Bridge
preferences.
And have you already tried to restart Bridge holding down option key to
refresh the preferences?
>

How to turn off printer colour management in LR 5.7?

Using an EPSON R3000 with bespoke profiles and getting a magenta colour cast. It seems there is some double profiling/ conflict at work. I don't seem to have an option to turn off colour management - like this:
For my system, the colour matching is greyed out and I can't change anything. When it's greyed out, does it mean it's automatically turned off?
Does anyone else have this issue? Everything works wonderfully in CS6, no issues printing with ICC profiles from there. Using MacOSX 10.8.
Thanks!

The behavior in screen capture two with the two radio buttons grayed out is correct. You cannot turn off color management anyway. The magenta cast is another problem.

When I try disabling colour management in the printer driver, it keeps turning back on

I'm using Lightroom v2.4 and a Canon Pixma Pro 9500 printer with the latest driver. I've just tried to print from Lightroom for the first time since moving to this latest version of Lightroom and when I go into print setup and turn off colour management, the driver doesn't keep the setting. Nor does it allow me to do borderless printing. My choice of print quality is also lost - this never used to be a problem.
This is very frustrating and means I must use Photoshop to print which takes longer when there is much to do. Please can someone offer some advice. I can print from Photoshop without this happening.
Thanks
Joanne

Have you tried creating Print templates in LR? Available from the left panel
in Print module. That's what I do to make sure the printer driver settings
stay the same.
Are you quite sure you have the latest 9500 driver?
Eric
I'm using Windows XP SP3, and I have just one button at the bottom left of the
Lightroom print diaglogue window called 'Page settings', when you click this,
you can select the printer and go into properties, which is where I normally
disable colour management. It is also refusing to print at standard quality,
but it defaulting to high quality (which takes a lot longer).
Thing is that I can print from Photoshop without problems and it's from
Photoshop where I do much of my printing, but printing from Lightroom is good
if I have a big load of prints to do as it's so much quicker to set up and it
has the picture package facility.

Colour management warning for dual display users

For those of you who require a colour managed workflow and have more than one display, be very careful in Mountain Lion. It appears to have a bizarre bug where images loaded and shown on the primary display (e.g. in Preview) are initially rendered with the colour profile from the secondary display, or something along those lines. Dragging the display window to the secondary display and back again sorts things out. I've filed a bug report.
If your two (or more) monitors have the same colour profile, you won't have a problem. The only workaround I can see is to set your least important display(s) to all have the same profile as your (probably calibrated, if these things matter to you) primary display, at least until (if?) the bug gets fixed.
If you want to see it for yourself, set your two displays to differing profiles - e.g. NTSC (1953) on the primary and Wide Gamut RGB on the secondary. Then load an image into Preview - something with lots of shades of red "works" well for the colour profiles mentioned. Take a screenshot of the Preview window as a reference. Move the window to the secondary display; note the colour shift as it gets re-rendered. Now drag it back to the primary display. It'll look quite different compared to the screenshot you took earlier, despite the fact it's the same image being shown by the same application on the same display in the same window... All you did was drag the window between two monitors and back again.
It doesn't seem to matter if the image in question has a colour profile embedded in it or not. When comparing with your screenshot, feel free to drag the screenshot between the monitors too - after all, it'll be suffering the same rendering bug! You'll still see a different result; in fact it may even be magnified by the accumulated rendering errors.
Preview isn't the only application affected; I've seen identical issues under harder to replicate circumstances in Safari, for example.
Given this fault and others I've seen with colour rendering in Lion, plus several new bugs found in Mountain Lion, I'm afraid that if a colour managed workflow is important to you - well - Snow Leopard or Windows...?! Ugh, what a mess

I've encountered many of the same woes with color management being a graphic designer, but here's my issue:
Have a 15" (Early 2011) Macbook Pro. It is turned on with me hooked up to my Dell U2410 and display open for a dual display configuration. The Dell is my primary monitor.
I then unplug my MBP to use it around the house. I go to plug it back into the Dell for my dual monitor. I notice that the color on the Dell looks good, but now the MBP has a very blue color temperature. Like moving from the preconfigured 'Color LCD' profile to 'sRGB' which definitely shifts to a blue color on the MBP.
I check the color profiles in System Settings and the Color profiles are correct. 'Dell U2410' for my Dell and 'Color LCD' for my MBP. But as I said, it's much bluer than standard. I try to change the color profiles around on the MBP and no matter which I select it's always the same color with no shifts I would expect to see.
Only solution I have found is to restart my computer. Upon restarting all is well again in the world.
It's pretty annoying having to restart my computer everytime I plug it back into my workstation with Dell and keyboard.
Related note: USB does not work when I plug things back and again have to restart to fix this.

Colour management of spot colour channels

Hello
I have some single layer images using cmyk (black only) + Pantone Process Blue U that will eventually be printed on a sheetfed offset press. A ballpark estimate would suffice for this low budget book, so I thought I'd give soft proofing a try. I'm therefore interested in understanding Photoshop's implementation of colour management for spot colour channels so as to have a less vague idea of the approximations this workflow involves.
Moreover, I'm stuck on exporting to pdf to let the client evaluate my conversions of the original rgb scans. Photoshop seems to layer an Euroscale Uncoated v2 overprinting image on top of a spot coloured image whose alternate colour space is "Calibrated RGB". What baffles me is that the pdfs display consistently in Acrobat 8 and 9 but rather differently from the Photoshop document.
Here come my questions:
1) Am I right in saying that these programs still don't support colour profiles involving spots? If so, are Adobe people willing to comment on the relevant intricacies?
2) Which colour profiles and colour conversions do Photoshop and Acrobat use to display such documents?
3) Which software tools will allow me to convert the Photoshop documents to an output profile for hard proofing?
4) Short of alternatives, when only K is needed and as long as each spot colour bears a decent resemblance to a cmy primary, how well will the profiling software deal with a cmyk target printed substituting the inks on press?
Thank you very much for your help.
Giordano

As far as I know …
1) Photoshop uses the Spot setting from your Color Settings (Edit – Color Settings) to display spot channels (and one can use gray-profiles or the K-channel of CMYK-profiles for that); the Solidity one can set manually, but one should bear in mind that even a 100% solid spot channel does not knock out the process channels.
As for the actual physical properties of the color and its mixing with the other colors I’m afraid Photoshop produces a pretty rough simulation – profiles for more than four colors are considerably more complicated and would, if I’m not mistaken, preclude much of Photoshop’s functionality.
2) If you pass unprofiled Files between programs they will be displayed using the programs’ respective Color Settings.
And your screen profile will be employed in the process naturally … but you might want to read up on color management if you want to know more about all that.
As to why the display differs between Acrobat and Photoshop it would appear that Acrobat use the RGB-setting for displaying spots and not an extra setting like Photoshop.
3) Photoshop is capable of separating files – but I may not understand what you’re driving at.
4) Epson-proofers using the latest generation of inks for example have a fairly wide gamut and should be able to simulate a lot of Pantone colors, so you might want to contact your provider to make sure if such a workaround is necessary at all.

Colour management - embedded profiles

Could anyone assist as I haven't had this problem in CS5 photoshop but when I upgraded to CS6 photoshop I followed the recommended settings like using ProPhoto RBG.
I edit in the working space colour management but not always have the same results on screen...have calibrated my monitor.
Then when it does look correct on screen and I re-import into Photoshop, my picture turns out bright red and I need to use Adobe RBG (1998). I am saving the pictures with the profile embedded, works better with Adobe RBG.
What should I be using as the settings as well as management policies - currently Preserve Embedded Profiles?
I don't want to have nice looking pictures in Photoshop and then have them print incorrectly or look terrible on another monitor.
Thanks

it would be more accurate to say that the Working RGB is "Assumed" not Assigned...assigning is an action of tagging the image.
Hi, Jeff, I concede your point.
If I recall correctly, Bruce and color.org also favor that terminology?
Though as a non-technical writer targeting beginners, I prefer to use "in essence," "for practical purposes" Photoshop is "Assigning" its default/working space under c.pfaffenbichler's scenario because it has the same end effect -- the proof is -- manually Edit> Assign Profile (working space) and the source RGB Converts to Monitor RGB and Print Space exactly the same as c.pfaffenbichler's approach (or is that not correct?).
But I do believe everyone here agrees that THE CORRECT SOURCE PROFILE MUST ALWAYS BE ASSUMED OR ASSIGNED BEFORE PHOTOSHOP CAN FAITHFULLY CONVERT/TRANSFORM SOURCE COLORS TO MONITOR RGB, DESTINATION PROFILES OR SPECIFIC PRINT SPACES.
For me, I think my loose "Assign" terminology is easier to visualize and demonstrate in a learning environment (at least it was for me to grasp or describe the concept in an active, visual sense).
On the other hand, I think "Assume" better suits OSX and Windows engineering assumptions the monitor is an sRGB-compliant device in an unmanaged viewing environment -- but that's just how I choose to present my theories.
As always, I prefer a shredding if I am wrong or unclear because my goal is to get it right and to the point...
G BALLARD

Relationship between the Koren Colour Management Model and PSE11

I would like to relate the settings I apply to colour printing in PSE11 to the general model of Colour Management, in particular that described by Norman Koren(see his Papers on the internet). Then I will better understand what I am doing.
I have an Epson printer and the driver contains the paper profiles for Epson papers.
In principle, the Koren Model shows each device(camera image, monitor and printer) is linked through its Colour Engine(with the device profile infeed) to the central Image Working Colour Space.
The PSE11 controls are:
1. Printer Settings(through the Windows printer menus)
2. Colour Management (through Edit->Colour Management, and
3. Printer settings(through the File->print screens).
1 and 3 are clearly associated with the printer. What happens when I select the options in 3? Am I modifying the paper profiles?
Is there any control over the central Image Working Space? Is the Koren Model more complicated than the PSE11 Model?
I know Colour Management can get very complicated - but I hope to find an explanation that will help an amateur photographer!
Grateful for any help.

The menu edit / color management defines which color space will be used internally by Elements to record the edits which change the RGB values of pixels. A correct choice will insure a correct rendition on a calibrated display.
Several cases :
- the photo file is tagged for a specific color space. Then, if Elements can work internally with that color space, it uses it for the calculations. Contrary to common belief, Elements can work internally with other spaces than sRGB or aRGB. Lightroom users can easily check that a Prophoto tagged image can be processed in Elements. The picture is correctly displayed and when you 'save as' the checkbox for color space, it is in Prophoto RGB.
- The photos are not tagged : that's where the options to 'optimize' for sRGB come into play. The internal working space will be assigned to the photo : sRGB to optimize for screen, aRGB to optimize for print.
- Another situation : raw files. Raw data don't have a color space. They simply record the 'brightness' of the light gathered under the RGB filters. The correct 'white balance' and color space are defined in the conversion process. In the ACR module of Elements, there is no dialog for you to choose between sRGB or aRGB. The settings in your camera are ignored. Instead, ACR reads your choice for optimization in that edit / color menu. The conversion menu adopts the color space in that menu.
So, that menu is mainly to define which color space will be chosen as 'working space' and what to do if that color space is not yet defined in the file metadata header.
The printer and paper color settings are not taken into account here, only in the print module.
Edit:
I forgot to mention that the same edit / color menu is there to provide ways to convert to another color space (converting the RBG values, not only assigning a color space tag).

Colour managment, printing from inkjet as apose to laser.

Hi All!
My problem with illustrator is about colour management. I used a laser print while I was on placement and now using my injet a home and now it doesn’t print out the right colour. I have a set of logos which I want in the company colours. I don’t want to change them manually for this reason.
I did a bit of research on colour management for instance RIP separations, acrobat distiller etc. I don’t really know where im going wrong. My computer is XP windows and I have the Adobe master suite collection.
I don’t know if the colours changing because of a printer change or whether it’s more connected to the actual illustrator program.
Have anyone got any helpful suggestions?
Helen

Every inkjet printer wants to see RGB colors. If you send an inkjet CMYK colors it's confused. It doesn't understand the CMYK data so it converts it to something it does understand - RGB. It then takes that RGB data and converts it for printing to CcMmYyK. This double-conversion can quite often result in color shifts.
This, combined with the fact that most inkjet printers don't have a RIP, yields less-than-great results on inkjets when printing from Illustrator in most cases.
By simply saving the file as a PDF (No need for Distiller) you use Acrobat as a software RIP. Then if you print the PDF from Acrobat to the inkjet you'll get more more accurate results.

Colour management on HP 8750.

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