L19Q6470A: HP LJ 3600/3800/CP3505 COLOR BLACK 6K, 6000 pages

    L19Q6470AC: HP LJ 3600/3800 SMP TONER-BLACK (6K), 6000 pages

    L19Q7581A: HP LJ 3800/CP3505 COLOR CYAN 503A 6K, 6000 pages

    L19Q7581AC: HP LJ 3800 SMP TONER-CYAN (6K), 6000 pages

    L19Q7582A: HP LJ 3800/CP3505 COLOR YELLOW 503A 6K, 6000 pages

    L19Q7582AC: HP LJ 3800 SMP TONER-YELLOW (6K), 6000 pages

    L19Q7583A: HP LJ 3800/CP3505 COLOR MAGENTA 503A 6K, 6000 pages

    L19Q7583AC: HP LJ 3800 SMP TONER-MAGENTA (6K), 6000 pages