Oki b840dn a4a3 mono workgroup laser printer duplex networked 40ppm a4 22ppm a3oki toner cartridge black for b840 workgroup mono printers yi
Transform your black and white documents with the b840 the a3 printer with the speed versatility and the footprint of an a4 devicewith sharp mono output provided by innovative digital led technology the b840 brings a4a
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