Inspiring

Question

Schwarz 100% K und Schwarz aus 100% CMY

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Hallo,

ich drucke mit dem weißen Toner von Ghost und dem Canon LBP633cdw.

Um weiss drucken zu können muss man wie gewohnt die bestimmte Fläche im Illustrator schwarz färben. Das man den Drucker so austricksen kann, ist bekannt.
Da man jedoch den schwarzen Toner durch den weißen ersetzt hat, kann man nun kein Schwarz (100% K) mehr drucken. Schwarz kann man nun aber auch, wie bekannt ist, aus 100% CMY mischen. Jedoch denkt der Drucker auch in dem Fall, dass er weiß drucken soll.

Frage: Wie kann ich den Drucker, evtl. auch über den Illustrator, so austricksen, dass er nur bei 100% K weiß, jedoch bei 100% CMY schwarz druckt?
Ich bin noch recht neu, etwas überfragt und habe diesbezüglich auch nichts gefunden.

Bisher habe ich das Blatt immer zwei Mal durch den Drucker gejagt und den weißen Toner gegen den Schwarzen und andersherum ersetzt. Da ich jedoch auch Grafiken erstelle, bei denen beide Farben übereinander liegen, ist dieses Vorgehen mehr als blöd und führt zu Ungenauigkeiten.

Liebe Grüße

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Bobby Henderson

Community Expert

I'm not familiar with the printer model you're using but my workplace we have a couple of large format printers that can print white ink in addition to the usual ink colors. We have to define the white ink on objects with a custom named spot color, such as "Spot1" to make the printers output the white ink. Check your printer's documentation to see if you may need to use a similar approach.

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BR112Author

Inspiring

Thanks! Do I have to set this in Illustrator or in the printer itself?

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Bobby Henderson

Community Expert

With our large format print setup we have to do things to the artwork within Adobe Illustrator. Any objects I want printed with white ink I'll apply a custom spot color called "Spot1" to the fill. When the RIP application sees that name applied to the object fill it will apply white ink. The same thing goes for contour cutting. In Illustrator I have to apply a spot color called "CutContour" to an object's outline stroke in order for the RIP software to cut that line when the print is loaded into a vinyl cutter.

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Jacob Bugge

Community Expert

BR112,

There is a limit to the TIC = Total Ink Coverage (also called TAC = Total Area Coverage), and you may be able to see it in the printer manual, or ask Canon.

There is a saying in English: the proof of the pudding is the eating (I wonder whether there is something similar in German).

You can try out different things and see the outcome, maybe start by making some test prints (small areas at least to start with) and try

100%C+100%M+100%Y,
100%C+100%M
Other percentages of C+M+Y or C+M
100%K

and compare the actual colours with 100%K as the reference colour, to see whether which combination(s) can give you a suitable black, including which percentages are enough.

But I have another question:

Do you need to use all of C and M and Y together with white in the same print?

Otherwise, I suppose you can replace the unneeded one with white and use K as usual.

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BR112Author

Inspiring

Thank you for your detailed answer! I'll try the tips out right away. Then I'll get in touch again.

Exactly, I need to use white and black in one print. The black should be above the white.

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Jacob Bugge

Community Expert

You are welcome, BR112.

I am still unsure: Do you need all of the other inks Cyan, Magenta, and Yellow, in the same print as the white and (some form of) black?

If not, I suppose you can replace the unneeded ink with white and use the normal K black.

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