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The Epson WorkForce 645 is an all-in-one office color inkjet printer.

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Why won't it print in black and white when I have Black ink?

My printer is actually a Workforce 3620 but that was not an option on this site. My printer is fully stocked on black ink, and I keep pressing black and white, and it keeps beeping and won't let me do anything without replacing the blue ink, which I don't even need.

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Yes, the Epson default color scheme/formula/plan (whatever its called) needs a touch of blue in its BLACK.

A different color scheme will often combine (different amounts) of colors. No two schemes are the same.

I especially like the H-P printer setup asking "what color grey"... I didn't know grey was a color. What is it called - light black ?

When you print something, check the defaults where you chose B&W, for the scheme Epson "VIVID" (I think thats the name) and change it to something else. My WorkForce is set to use "RGB-color" and prints with the blue-black. My H-P Laser is "sRGB" something different than regular RGB??? The H-P black is much finer resolution, but not as dark as Epson's blue-black.

I also notice the Epson leafy green (blue+yellow), different than H-P grass-green (blue+yellow+black).

Considering all of todays printer choices; I'm afraid plain-old-B&W is no longer vogue.

I have an old LaserJetIII that blasts Black on white paper. Thats it.

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lindsey Anne さん、ありがとうございました!
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