Re: [Lcms-user] Problem with Printer on Network

[Marti]

Hi Armindo,   Definitively, the display profile should NOT be taken into account. I don't know if anybody is doing that, but would be a very bad idea. Ok, good match to screen may be a goal for the big boys, but, at least for the iniciatives I've been involved, that is performed by defining suitable viewing conditions and a setup for the reference monitor, not taking each workstation monitor profile into account. Many large format printers are developed with network printing in mind, doing this hack would go against any color consistency and therefore be contra-producent for the bussiness. :-)   I would bet instead for mixed output profile/intents used in each driver, and maybe double color management. Give a try to the probe profile, I assure you it would be worth of spent time.   Regarding the tool to list used profiles, nothing like that on windows AFAIK.  Also, many applications do color management on their own, completely bypassing ICM.  A RIP would be the ultimate solution if everything else fails, but those are not cheap...   Regards Marti.     ----- Original Message ----- From: Armindo To: Marti ; lcms-user@lists.sourceforge.net Sent: Thursday, June 08, 2006 5:11 PM Subject: Re: [Lcms-user] Problem with Printer on Network Hi Marti,   Nice to ear you.   The problem may come from photoshop or the Dosplay profile. Someone told me that to have a very close color between Display and print outputs, some printer manufacturer take in acount the display profile. Also this customer has photoshop on every PC and each PC has different monitors... Do you know what doesn photoshop do if you want to adjust the display settings (inside adobe product) ?   Is there a tool that can list all the profiles used by a PC (monitor, scanner,  and each prodile used by each printer) ?   thanks   Armindo Hi Armindo, nice to talk with you again :-) >When I print some color patches on it from 5 > different PCs, with EXACTLY the >same settings and same color profile, >I see some color difference on the printed results Ah, workflow problems. I strongly believe this is *the* real issue on today's color management. Double-color management, inconsistent paths, different profiles... a nightmare.   Ok, I cannot spot where the problem is, but here are some clues. Thay have been very useful to me in past. 1) Trust nothing. Check each driver, profile, etc. Even if the filename and UI look is same, maybe the profile and driver are different. 2) pinpoint the path. This technique is very effective when one tries to find which profile/intent is being applied. ICC gives a "probe profile" here: http://www.color.org/probeprofile.html This is a fake profile that adds a  huge tint, which is of different color on depending on intent being used. So, just replace the output profile with this one and do some prints. If the workflow is configured correctly, every print should come with same tint color. I guess you will be surprised by results.   3) Isolate wrong branches. If you have a colorimeter/spectrophotometer,  print some patches and measure them. Isolate the parts of the network that produces bad results. If the workflow is complex enough, maybe is not worth of understanding each step. Remember, you want good results. A proper setup would be nice, but you final goal are good results.     Hope this helps   Cheers, Marti. ----- Original Message ----- From: Armindo To: lcms-user@lists.sourceforge.net Sent: Tuesday, June 06, 2006 2:00 PM Subject: [Lcms-user] Problem with Printer on Network Hello, I don't know if somebody has already had this problem. I use a Canon  IP4200 printer shared on a Network. When I print some color patches on it from 5 different PCs, with EXACTLY the same settings and same color profile, I see some color difference on the printed results. Any idea of how to solve this ? All the PC run on Win2K with same driver version. Thanks Armindo _______________________________________________ Lcms-user mailing list Lcms-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lcms-user --------------------------------------------------------------------------------------- Orange vous informe que cet e-mail a été contrôlé par l'anti-virus mail. Aucun virus connu à ce jour par nos services n'a été détecté. _______________________________________________ Lcms-user mailing list Lcms-user@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/lcms-user

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