C3530n MFP. If you're doing it right, it won't need to be forced. 4PK CB400A CB401A CB402A CB403A Toner Set For HP Color LaserJet CP4005 CP4005n. 4PKs Color CE410A Toner Fits HP 305A LaserJet Pro 400 M451dn M475dn M475 Printer.
eBay