Two-sided envelope comparison
| | Color print | Black color print | Front: color print, back: black print |
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| Print on the front side: | | | |
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| Print on the back side: | | | |
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| Colors: | CMYK 4+0 | Black 1+0 | CMYK 4+1 |
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| Lamination: | Optional | Optional | Optional |
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| Paper type: | Optional | Optional | Optional |
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CMYK (cyan-magenta-yellow-black) color model is a four-color process that is used in color printing.
Black color model is a one-color model that is used in black-and-white printing.
