The Canon imageRUNNER Advance 4045 uses black toner that replaces the Canon GPR-42 (4791B003), a standard-capacity toner rated at about 34,200 pages. This compatible toner also fits the imageRUNNER Advance 4051, imageRUNNER Advance 4245 and imageRUNNER Advance 4251. Same-day shipping on most orders.
