215Appendix List of Consumables and OptionsList of Consumables and OptionsPurchase the following consumables and options from the nearestdistributors.Product Name Life Expectancy Order No.Toner cartridge 6,000 sheets 44707701Toner cartridge(Large)15,000 sheets 44708001Image drum 30,000 sheets 44707401Tray2 *1 44676104Duplex Unit *2 44676204SD card (16GB) 44301003Additional memory(256MB) 44302203Additional memory(512MB) 44302207*1 B840dn can be installed with two additional tray units, usingthem as the its second/third trays.*2 B840dn has a duplex unit installed as standard.Note! • For the storage method of paper, see "How to Keep Paper" (SetupInstructions).• Note the following concerning the toner cartridge.- Use genuine Oki Data original consumables to ensure opti-mum performance of the product.When using a non genuine Oki Data original consumable, theproduct may not deliver its optimum performance, and printquality may decline.Warranty doesn’t apply if the troubles arise with use of a nongenuine Oki Data original consumable. You need to pay forrepairs even during the warranty period. (Although not all nongenuine Oki Data original consumables cause a trouble whenused for the product.)- The toner cartridge lowers its print quality 1 year or moreafter they are unpacked.- Do not unpack consumables (toner cartridge, image drum)before using them.- Keep consumables under an environment with temperature0 to 35C and humidity 20 to 85%RH, and avoid direct sun-light.- Do not keep consumables under an environment with highor sharply changed temperature or humidity.- Keep consumables away from babies and children.• Consumables (image drum, toner cartridge) are not guaranteed.
