Epson WorkForce WF-2850 User Manual page 207

You see a screen like this:
6. Select On as the Permit temporary black printing setting.
7. Click OK.
8. Close the utility window.
9. Load plain paper or an envelope in your product.
10. Access the print settings in your print application.
11. Select Print Settings from the pop-up menu.
12. Select Plain Paper/Bright White Paper or Envelope as the paper type setting.
13. Select the Grayscale option.
14. Click Print to print your document.
Parent topic: Printing with Black Ink and Expended Color Cartridges
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