✔ HP LaserJet Enterprise M4555 MFP series. ✔HP LaserJet M601n / M602n / M602dn / M602x / M603 / M603n / M603dn / M603xh. ✔Page Yield : 24,000 Pages for per Toner (Letter/A4, at 5% Coverage). ✔Color: 1 Black.
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