For : Color ImageClass LBP622Cdw, Color ImageClass MF640C Series, Color ImageClass MF642Cdw, Color ImageClass MF644Cdw, i-SENSYS LBP620C Series, i-SENSYS LBP621Cw, i-SENSYS LBP623Cw, i-SENSYS MF641Cw, i-SENSYS MF643Cdw, i-SENSYS MF645Cx. Yield per cartridge (up to): 3,100 black pages, 2,300 colour pages.