Amazon.com: HP 78A Black Toner Cartridge | Works with HP LaserJet Pro P1566, P1606 Series, HP LaserJet Pro MFP M1536 Series | CE278A : Office Products
Amazon.com: HP 78A Black Toner Cartridges (2-pack) | Works with HP LaserJet Pro P1566, P1606 Series, HP LaserJet Pro MFP M1536 Series | CE278D : Office Products
HP® 78A Black LaserJet Toner Cartridge (CE278A) - $96.99
Amazon.com: LD Products Compatible Toner Cartridge Replacements for HP 78A CE278A (Black, 2-Pack) for in use: HP-78A HP78A Laserjet Pro / Laserjet M1536dnf, M1537dnf, M1538dnf, M1539dnf, P1566, P1606dn : Office Products