Mike Chaney's Tech Corner
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1  Mike's Software / Qimage Ultimate / Re: ICC and Quality settings on: February 15, 2019, 04:09:29 PM
Hi there iīm new with QU and Coming from Germany. I use a Epson SC-P600

My question is:

I get some ICC-Profiles for my likely used paper and the settings for make those ICC is set to 1440 res. Now in all videos is said to sett Quality to the highest res, so is more than this 1440.

All other sources says to get a fit ICC is to use all settings like they where set to make the colorpattern is used to calc the ICC for the printer, the paper and the ink. Do not so , they say, is probably to lower the quality of print use a different setting. Allso i think some time i waste time to use a res i dinīt need for small printīs.

What do you think about my thoughtīs ?

I hope you can understand what iīm thinking about and i dont make whorst mistakes in writing. Itīs ~ more than 35 years since i learned last time English. Speaking mot but writing not.

Have a nice day.
schorschi

Color targets are often just 300 PPI or 360 PPI. While the profile creator documents say to use the same settings in target printing (but CM off) as will be used in normal printing, the OEM printer profiles exist in only one flavor these days. If print quality suffers in the normal setting (300/360 PPI input requested) versus best (600/720 PPI input requested) then you could get bad target patches but that is usually an indication of bad printer behavior and no base for profiling anyway.

In the past there were ICC profiles for different printer quality settings, I recall it for the Epson Stylus Pro 9000, about fifteen years ago. About ten/twelve years ago that disappeared for the printer brands and printers we use with their normal OS drivers and their semi RGB-device ICC profiling. My best guess is that compensations in the printer driver or hardware take care of possible color shifts nowadays and we can use just one profile for a media/printer combination in all quality settings. With RIPs as the driver and their CMYKetc ICC printer profiling it may be different, might differ between RIPs as well.


Met vriendelijke groet, Ernst

http://www.pigment-print.com/spectralplots/spectrumviz_1.htm
March 2017 update, 750+ inkjet media white spectral plots
2  Mike's Software / Qimage Ultimate / Re: v2019.113 issues/comments on: February 08, 2019, 01:29:09 PM
Hello Mike,

Reading the Auto Roll length announcement I thought 'not for me with a Z3200'. The video proofed that. But with the knowledge that the other feature Roll Paper Trimming worked more or less with the Z3200 PS3 driver I could not resist trying this one out with that PS3 driver. No Qimage warning produced so I guess you only tried the PCL3 driver and have the warning triggered for that driver or printer identity. I have the Z3200-PS revision A printer.

The first trial seemed to work right away and ignored even the Preview choice setting in the PS3 driver. Unexpected and no cheap paper on the printer for the trial so cancelled it immediately on the printer. I noticed that the max length of that Auto Roll was something like 1500 mm. I thought you added an arbitrary length for it as I have printed longer lengths. Exploring it more it seems to be the length of initially selected print page (custom or OEM) in the driver. I could extend that to 3480mm roughly by changing the initial print page to that length. 5000mm did not work. When Auto Roll Length is clicked on the driver defaults to Letter size internally. That Letter size does not show in Qimage but the Auto Roll Length shows.

When I go over the 3480mm length the Auto Roll Length feature does not split to two appropriate lengths for the images contained but multiple ones depending on the image sizes loaded on the print page. At least with about 14  400x500 mm images on a 903x3480mm print page and loading the 15th it goes for 7 lengths each filled with two images and one missing. Taking out one image it goes back to 14 images on 3057mm print page length, longer than set in the initial print page so there is more to gain I guess. Adding and deleting images in different quantities delivers odd combinations of print page lengths and not always the most economic image nesting. 2x 7 images on two print page lengths wastes more than 8 and 6 on slightly different print page lengths for the image sizes I mentioned. Could be some differences in the image sizes loaded. 

The 903x3057mm trial just ended with a print that length on cheap paper. This time the driver Preview choice worked also. It took an awful long time in processing to that Preview state though. For production somewhat shorter print page lengths processed after another gains time, processing done while the printer is already busy with the first length is a better choice.

So thank you Mike and please do not add a warning for that PS printer/driver model. I will explore the feature + that driver more.


Met vriendelijke groet, Ernst

http://www.pigment-print.com/spectralplots/spectrumviz_1.htm
March 2017 update, 750+ inkjet media white spectral plots


3  Mike's Software / Qimage Ultimate / Re: Z3200 custom paper addition and QU issue on: January 22, 2019, 02:07:16 PM
Mike, thank you for the reply.


Met vriendelijke groet, Ernst

http://www.pigment-print.com/spectralplots/spectrumviz_1.htm
March 2017 update, 750+ inkjet media white spectral plots
4  Mike's Software / Qimage Ultimate / Re: Z3200 custom paper addition and QU issue on: January 22, 2019, 11:36:57 AM
The ability to open the driver dialog with driver defaults has been added to 2019.105.

Mike

Hello Mike,

Could it be that you also found a solution for added media presets in the Z3200 printer/driver?  This time I added the Photorag Ultra Smooth media preset and it stays in the Z3200 driver while Qimage mentions Unlisted [270]  as the "selected" media. I assume it would work without issues in printing and I guess you added something or this must be another hickup of HP software. Never seen it before.

Met vriendelijke groet, Ernst

http://www.pigment-print.com/spectralplots/spectrumviz_1.htm
March 2017 update, 750+ inkjet media white spectral plots
5  Mike's Software / Qimage Ultimate / Re: Qimage suddenly prints landscape (as if paper was horizontal) on: January 13, 2019, 03:45:51 PM
From time to time I have a similar problem with my HP Z3200. Totally different printer and aimed at roll printing but nevertheless;  if the physical size of the roll width is even 1 mm less than what a 44" (1118mm) or 35" (914mm) roll width should be then a landscape printing page that is set at 1118mm wide will automatically turn to portrait mode on its way to the printer. The printer measures the width when the roll is installed and the driver adds the auto turning "feature". So I keep a bit of tolerence by using print pages 1mm less. Last week however that was even not enough and a stroke of 180mm wide and 1117mm long (several color proofs) was printed at the right side in the length of the Photorag roll. Does not make you happy. Careful QU intelligent nesting of the bigger prints on the remaining sheet made it less an issue.


So check the real sheet size and what has been set in QU or driver. Totally different printer though ..........


Met vriendelijke groet, Ernst

http://www.pigment-print.com/spectralplots/spectrumviz_1.htm
March 2017 update, 750+ inkjet media white spectral plots
6  Mike's Software / Qimage Ultimate / Re: v2019.105 issues/comments on: December 15, 2018, 03:31:51 PM
Xmas comes early this year!  Thank you Mike. It is almost as if I get the dual printer icon at the top of the menu again.


Met vriendelijke groet, Ernst

http://www.pigment-print.com/spectralplots/spectrumviz_1.htm
March 2017 update, 750+ inkjet media white spectral plots
7  Mike's Software / Qimage Ultimate / Re: Z3200 custom paper addition and QU issue on: December 06, 2018, 05:01:36 PM


In the next version, I might just add a feature where you can hold the shift key when you click "Properties" if you want to simply open the driver with driver defaults without affecting anything else.

Mike


Mike, with that added I will be a happy man.

Met vriendelijke groet, Ernst

http://www.pigment-print.com/spectralplots/spectrumviz_1.htm
March 2017 update, 750+ inkjet media white spectral plots
8  Mike's Software / Qimage Ultimate / Re: Z3200 custom paper addition and QU issue on: December 05, 2018, 01:42:04 PM
Mike,
 
Thank you, thought so.    But for the Cut Mark setting getting lost in  rhe driver rest you will have a solution ........

Met vriendelijke groet, Ernst

http://www.pigment-print.com/spectralplots/spectrumviz_1.htm
March 2017 update, 750+ inkjet media white spectral plots
9  Mike's Software / Qimage Ultimate / Z3200 custom paper addition and QU issue on: December 05, 2018, 12:00:53 PM
HP Z3200-PS, Windows 7.   I am familiar with the fact that if I add a new media preset to my list of media presets that I can not trust QU job data taken from the log to repeat that job. So I reset in QU the driver data to the default after I have loaded a recalled job. I check if everything is correct, media presets correspond in both QU's and the driver's interface. Profile correctly corresponding too.

This time I added the media preset HFA Photo Rag Metallic. Calibrated, printed targets, profiled , synchronised media presets, all from HP Color Center. Job done. Changed the roll to German Etching, recalled a job from the log file.  Reset the driver in QU 2019.100 / 104  to the driver defaults, set the media preset correct, then the profile back. Mismatch between QU and driver interface on the media preset, QU says Photorag, Driver says German Etching. Correct it in QU's interface to German Etching and QU's driver icon shows something is wrong. Go there and that is correct, something is wrong. Go back and forth with different media preset settings, back to default, system power off, QU version switch but nothing helps. Only solution is taking out a custom media preset from the driver that is the least often used.

Probably Qimage does not cover as many media presets as the driver can or it counts backwards instead of forward if the media preset identity goes by numbers. I guess the answer will be non-Windows compatibility of the HP driver.

BTW,  if I reset the driver to its default in Qimage Ultimate with whatever choice, all/printer/current, I also loose my Cut Marks setting. Something that is going on for some time already.  I do not understand why that is needed in relation to the driver and it has been really annoying when the image has no straight edges on that print but is an amorphous shape free floating in white (art print). Two shapes now floating in white on an expensive paper. Have to look it up in Edit Page where the two 50x65 cm pieces sit on that sheet of 66,6 cm long by 44" roll width.

Met vriendelijke groet, Ernst

http://www.pigment-print.com/spectralplots/spectrumviz_1.htm
March 2017 update, 750+ inkjet media white spectral plots


10  Mike's Software / Qimage Ultimate Wish List / Border width as a percentage of longest side image or print on: November 05, 2018, 04:25:05 AM
Of course this is a personal taste thing but I am quite happy with white borders that are 6.8% of the long side (B+) of the image or 6% of the long side (B-) of the print (6% of long side image + 2 border widths). Would it be possible to add a percentage choice to border choices next to absolute width choices? Or more complex for framing, a number for the overlap in frame/matte + a percentage of the length of the image for the border width?  I guess it will be possible to make that overlap width with the second border setting as well but nevertheless.  Instead of the long side as a starting point the diagonal could be used too, computing is a bit more complex, percentage lower.

Met vriendelijke groet, Ernst

http://www.pigment-print.com/spectralplots/spectrumviz_1.htm
March 2017 update, 750+ inkjet media white spectral plots
11  Mike's Software / Qimage Ultimate / Re: v2019.100 issues/comments on: October 22, 2018, 09:29:37 AM
Hello Mike,

I have never encountered an overheated print head with my HP Z3200 etc printers. Not on long print runs either. is this a remedy for some types of printers/brands? If a print head fails on my Z models it usually is after a prolonged time of no use.

Met vriendelijke groet, Ernst

http://www.pigment-print.com/spectralplots/spectrumviz_1.htm
March 2017 update, 750+ inkjet media white spectral plots
12  Mike's Software / Qimage Ultimate / Re: Economical Roll Printing - How to stop wasting paper on: August 07, 2018, 04:21:43 PM
Thanks, printing on a much longer page size might be a good idea. I'm just a little worried about scratching the print when feeding it through my trimmer. I'm sure if I'm careful it should be fine. It's just a matter of time really, I might set 50 things off to print and they will all be unique images so to size each up would take quite a lot of time. Using the function described earlier has saved me a bunch of paper but I think changing the paper length to make 150" or something might do the trick.

Thanks!

Just wish it was even simpler and could make all pages different sizes by removing all blank space.

To avoid scratches. Have a kind of roller bar in front. Get a thick carton core, say 6 inches in diameter for thick paper. Add a paper sleeve to it, 30 inches long for example, crosscut will look like a Q but with a longer tail. Try to roll the print against the curl in between the paper tail and the core. Cut at the end of the print run. Keep the printed paper on the core if have the time for that. It will get flatter and easier to cut afterwards. Transport is easier too.

Met vriendelijke groet, Ernst

http://www.pigment-print.com/spectralplots/spectrumviz_1.htm
March 2017 update, 750+ inkjet media white spectral plots
13  Mike's Software / Qimage Ultimate / Re: Economical Roll Printing - How to stop wasting paper on: August 07, 2018, 08:43:39 AM
If you are able to cut 24" wide manually after printing then it can be done by making a much longer print page and keeping the prints apart by manipulating the border B+ size per print or adding white images in between and at the end crop the last waste paper off on that print page with the feature already mentioned. You have to roll it up and cut afterwards. It creates issues with corner or crop marks though as Qimage does not allow crop marks set per image on the print page but does it overall. There are more ways to do similar nesting on a large print page and all take more time and have their limitations. However I use this often with many odd sizes on rolls 36 or 44" wide, nesting horizontally and vertically, keeping an eye on cutting issues but even then scissors can help to separate the prints first.

If you are fixed on 24" wide then I do not understand why you can not create custom print pages in the driver that all have the same 24" width but vary in length by half an inch or so, including one that creates a square print page. Give them names or sizes in the title that set them at the top in Qimage's print page choices (there are sorting choices in preferences) and if done smart they are arranged at  increasing length order.  You use the print page that you need most and afterwards the odd print pages for the odd sized images. All nicely cut and less paper waste.

Met vriendelijke groet, Ernst

http://www.pigment-print.com/spectralplots/spectrumviz_1.htm
March 2017 update, 750+ inkjet media white spectral plots

14  Mike's Software / Qimage Ultimate / Re: Qimage One (Mac) - Feature Request(s) on: May 13, 2018, 11:45:37 AM
There is a wish list at DDIsoftware.com   http://ddisoftware.com/tech/qimage-ultimate-wish-list/

Met vriendelijke groet, Ernst

http://www.pigment-print.com/spectralplots/spectrumviz_1.htm
March 2017 update, 750+ inkjet media white spectral plots
15  Mike's Software / Qimage Ultimate / Re: transparent borders - Absolute Colorimetric rendering on: March 28, 2018, 07:02:53 PM
The papers I prefer are near neutral and without OBA content.

I wish I could get papers locally (South Africa) that meet these criteria. I can get warm papers without OBAs or more neutral papers that rely on OBAs but not neutral papers without OBAs. I've think I have tried all that are available in our market. What papers do you suggest? (I've played with Canson papers that got pretty close, but alas, no distributors here)

Mike: the template trick works. A little fiddly, but not that bad. I haven't tested the cutting-to-border trick yet.

Absolutely free of OBA is not necessary either so the choices are wider than you might expect.
You can download SpectrumViz from my web pages and check what the OBA content is + when the cursor is on the paper name the Lab values are shown.

Met vriendelijke groet, Ernst

http://www.pigment-print.com/spectralplots/spectrumviz_1.htm
March 2017 update, 750+ inkjet media white spectral plots
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