Amazon.com: LD Products Compatible Toner Cartridge Replacements for HP 78A CE278A (Black, 3-Pack) for use in LaserJet Pro M1536dnf & LaserJet Pro P1606dn : Office Products
GREENCYCLE Compatible Black Toner Cartridge CE278A for HP 78A LaserJet P1560 P1566 P1606 M1536dnf - Newegg.com
Amazon.com: Original HP 78A Black Toner Cartridge | Works with HP LaserJet Pro P1566, P1606 Series, HP LaserJet Pro MFP M1536 Series | CE278A : Office Products
Staples Remanufactured Black Extended Yield Toner Cartridge Replacement for HP 78A (TRCE278DJ2PK/STCE278DJ2PK), 2/Pack | Staples