The Canon imageCLASS MF6531 uses Canon 106 black toner. The compatible toner here replaces the Canon 106 and prints about 5,000 pages per cartridge. It is a standard-capacity black toner, and no high yield version is listed for this printer. The same supplies also fit the imageCLASS MF6530, imageCLASS MF6540, and imageCLASS MF6550. Orders come with free shipping on orders over $50 in the contiguous US.
