Products › Canon 3763C003 (GPR-61) Black Toner Cartridge Image 1 of 1 Canon 3763C003 (GPR-61) Black Toner Cartridge $0.00 Genuine Canon 3763C003 (GPR-61) Black Toner Cartridge, rated for approx. 71,000 pages. Add To Cart Added! Genuine Canon 3763C003 (GPR-61) Black Toner Cartridge, rated for approx. 71,000 pages.