HP Deskjet 3820 Color Inkjet Printer - Manual (Page 86)

U.S. Letter 216 x 279 mm (8.5 x 11 in)
A4 210 x 297 mm
Transparencies:
U.S. Letter 216 x 279 mm (8.5 x 11 in)
A4 210 x 297 mm
Photo (with tear-off tab):
102 x 152 mm (4 x 6 in)
print cartridges
Black: selection number 15, part number c6615
Tri-Color: selection number 78, part number c6578
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