Samsung ML-1660 refill bottle
Use for: ML-1660, ML-1665, ML-1670, ML-1860, ML-1865, ML-1865W and SCX-3200, SCX-3205, SCX-3205W SCX-3217
Refill Samsung original part numbers MLT-D1042S and the cartridge included with the new machine.
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ML-1660 refill instructions here (PDF)