Cartridges we refill,(BLACK CARTRIDGES) HP Models 21/27/56 , 92/94/336, 74/96/98/339, 20/26/29 and 15/40/45. Lexmark Models 50/70 and 16/17. Canon Models PG-30/PG-40/PG-50, BC-02/Bx. (Color Cartridges) HP Models 25/49, 17/23/41/78, 22/28/57/93/95/97/342/343/344. Lexmark Models 20/60/80/90 and 26/27.
