The Original Oki 45439002 black toner cartridge is the must have cartridge if you want excellent high quality printing results. It produces trouble-free prints that leave virtually no scatter without you spending more money. It delivers an impressive A4 sized page yield of up to 36,000 per at a 5% average coverage. Its installation is also easy. It is guaranteed to produce excellent premium quality printouts when used in Oki B731dnw printer. It comes backed with a full year 100% guarantee.
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