Replacements for HP:
Q3690A Laser Toner Series
5k - Standard Yield (Black)
4k - Standard Yield (Colors)
Q3960A - Compatible Toner Cartridge
$79.95
HP 2550 - Black
Q3961A - Compatible Toner Cartridge
$89.95
HP 2550 - Cyan
Q3962A - Compatible Toner Cartridge
$89.95
HP 2550 - Yellow
Q3963A - Compatible Toner Cartridge
$89.95
HP 2550 - Magenta
HP Toner