B4540 MFP Duplex Unit
-User installable - can be used to upgrade the MFP. ust slots.
-Double sided printing.
-Double sided copying.
Products that are compatible with this accessory:
OKI B4540 MFP Duplex Unit. Peso supporto (vassoio 1): 60 - 90 gsm, Formati supportati: Legal, Executive, Dimensioni ISO serie-A (A0...A9): A4,A5