||# 51629ABlack print cartridge that provides 600 x 300-dpi resolution on plain paper.
# Pigment-based inks provide dense, waterfast and fade-resistant results.
# With increased dpi, offers media independence, sharp blacks and smooth grays.
# Compatible with HP 51649A.
# When used with HP 51629A, this tri-color cartridge provides vivid, long-lasting color results at a low cost.
Both Cartridges are for use in Deskwriter 600, 660C and 680C.