A:Answer Hello, yes, this printer is capable of printing on cardstock. The specifications for this printer are: Print speed black (ISO, letter) Up to 28 ppm121 and Print speed color (ISO) Up to 28 ppm. Print quality black (best) 600 x 600 dpi, Up to 38,400 x 600 enhanced dpi. Print quality color (best) 600 x 600 dpi, Up to 38,400 x 600 enhanced dpi. Media sizes supported: Tray 1, Tray 2: Letter, legal, executive, Oficio (8.5 x 13 in), 4 x 6 in, 5 x 8 in, envelopes (No 10, Monarch); Optional Tray 3: Letter, legal, executive, Oficio (8.5 x 13 in), 4 x 6 in, 5 x 8 in; Automatic duplexer: Letter, legal, executive, Oficio (8.5 x 13 in). Media sizes, custom: Tray 1: 3 x 5 to 8.5 x 14 in; Tray 2, optional Tray 3: 3.94 x 5.83 to 8.5 x 14 in. Media weight, supported: Tray 1: 16 to 47 lb bond (up to 52 lb with HP Color laser glossy photo papers); Tray 2: 16 to 43 lb bond (up to 47 lb with postcards, up to 52 lb with HP Color laser glossy photo papers); optional Tray 3: 16 to 43 lb bond (up to 47 lb with postcards, up to 40 lb with HP Color laser glossy photo papers); Automatic duplexer: 16 to 43 lb. Thank you for being an HP customer!