OkiData B721dn Monochrome Laser Printer Cartridges Compatible: 45488801 BK 45488901 BK 45439001 BK Part Number: 62442001 Color Print Speed: Black/Blue/Brown Max. Duty Cycle: 250000 pages per month Copy Speed, Color: Black/Blue/Brown Copy Quality, Black: 1200 x 1200 dpi Color Fax: Black/Blue/Brown Input Capacity, std.: 630 sheets |