I wanted to share something that I never noticed before about the color white printed using RVW-BK01A (a Roland VersaWorks white) on our SP-540i (a CMYK machine).  I had a design with white in it that I printed it on Quick Print.  I printed some of white using RVW-BK01A and other parts without it, in other words, I let the Quick Print be the white color.  The RVW-BK01A white printed with a little black ink in it and, much to my surprise, it looked whiter than the white of the Quick Print, which looked a little off-white. 

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Comment by Butch on November 15, 2011 at 4:55pm

dennis - black would have been bolder because more ink is being put down - but in some instances it also changes the white media color to a different shade - in my case anyway

Comment by Kathy MacMannis on November 15, 2011 at 4:37pm

I believe that the rule of thumb is for vector use max impact, raster uses pre press US....... Kathy

Comment by Kathy MacMannis on November 15, 2011 at 4:16pm

I think I use max impact about 95% of the time so maybe that's it.  I was doing "white" lettering, so the first go around I had no fill, and just the cutline,  so it didn't print anything.  Next time I used the RGB white and it definately added some kind of color, to me it looks kinda gray, but I guess I could be convinced it's bluish.  It just looks better, plus I like know that some kind of ink is covering the quickprint.  In my mind, which is a scary place to be sometimes,  I'm thinking that the ink is a protective covering.  Who knows :-)

Comment by Dennis Dunning on November 15, 2011 at 4:14pm

Kathy - What the webinar reinforced is that I still have a lot to learn about color management.

Butch - I used MAX Impact on my black and white vector design thinking that it would help produce a bolder black.  Was that an incorrect assumption?

Comment by Butch on November 15, 2011 at 3:58pm

When I select the Max Impact it changes my pure white Oracal media to a shade of grey even with no white selected. When I print quickprint with max impact it changes the background color from off white to blueish white with no white selected. I believe VW sees white as the background unless transparent is picked . Thus the color changes using max impact. Just my opinion.

Comment by Kathy MacMannis on November 15, 2011 at 2:53pm

Ahhhhh gotcha!  Oh the dreaded color management.   I guess my question is did the webinar leave you with more questions or did you get a lot answered?  I think I need to watch it!

 

Kathy

Comment by Dennis Dunning on November 15, 2011 at 2:20pm

My question was prompted in part because I just finished participating in a Roland webinar on printing grey, which seem like a relatively simple and easy thing to do - it took an hour to go over different approaches and settings.  It was quite informative.

Comment by Kathy MacMannis on November 15, 2011 at 2:03pm

Dennis I think you're over thinking it :-)     Maybe it's blue, maybe it's gray, either way I just think it looks better than leaving it the quickprint color.  Just my humble opinion, but it looks like you already figured that out!

 

Kathy

Comment by Dennis Dunning on November 15, 2011 at 1:36pm

Now I'm even more curious.  Kathy, you saw a little grey added and Irv, you suggested a little blue may have been added.  When I look in VersaWorks under File Format, it lists the color name RVW-BK01A and the corresponding color output as C:0.0, M:0.0, Y:0.0, and K:0.0.  If that is the case, did the Color Management I selected for printing this file (MAX Impact) determine what ink colors to use and, if so, where do I find that information?

Comment by Kathy MacMannis on November 15, 2011 at 10:46am

Dennis I've found the same thing.  I never let the background of the quickprint be the white anymore.  Instead I simply choose rbg white.  It looks like it puts some kind of gray into it and gets rid of the beige tone.

 

Kathy

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