How to adjust the B&W printing mode for Epson and Canon printers. Removing green/brown/magenta casts seen in prints under some lighting.

The B&W test images and info on using them are at:
https://www.northlight-images.co.uk/test-image-for-black-and-white-printing/

Current [Jan 2023] printer reviews [and videos]
https://www.northlight-images.co.uk/photography-articles-and-reviews/printing-paper-reviews-articles/

Dye based: G550 | XP15000 | PRO-200
Pigment ink: PRO-300 | P700 | WF8690
Hybrid ink set: ET-8550
17″ width: P900 | P5000 | PRO-1000
24″+ PRO-2000 | P7000 | P7500 | P20000

My original [2011!] more detailed article about the techniques in this video:
https://www.northlight-images.co.uk/printing-greyscale-images-and-removing-unwanted-colour-tints/