High capacity black (PG-540L) is 11ml of black ink
The Original PG-540XL Black was discontinued by Canon in October 2022 (21ml of ink)
Pixma MG2100, PIXMA MG2150, PIXMA MG2225, PIXMA MG2250, Pixma MG2255, PIXMA MG3100, PIXMA MG3150, PIXMA MG3155, PIXMA MG3200, PIXMA MG3250, PIXMA MG3350, PIXMA MG3500, PIXMA MG3550, PIXMA MG3600, PIXMA MG3650, Pixma MG3650S, PIXMA MG4150, PIXMA MG4200, PIXMA MG4250, Pixma MX370, PIXMA MX375, PIXMA MX390, pixma mx394, pixma mx395, Pixma MX430, PIXMA MX435, PIXMA MX4515, PIXMA MX455, Pixma MX470, Pixma MX475, PIXMA MX515, PIXMA MX525, PIXMA MX530, PIXMA MX535, Pixma TS5100, PIXMA TS5150, PIXMA TS5151