84 A AppendixA.2 Optional Accessories and ConsumablesOptional AccessoriesThe main optional accessories are as follows. Contact our Customer Support Center or yourdealers to order these.ConsumablesThis section explains how to handle the types of consumables. For details on thereplacement procedure of the consumables, refer to the procedure listed in the packagingbox of the consumables or “6.1 Replacing Consumables” (P. 61).Important• The high print quality and the high speed printing of this printer are designed to be most stabilized whengenuine toner cartridges are used. Using the consumables whose specifications differ from genuineconsumables may cause degradation of printer performance. Also, repairs that result from usingconsumables that are not recommended may not be covered by warranty. When using recommendedconsumables, you can receive full support in case the printer needs repairs. It is recommended to usegenuine toner cartridges to get the proper printer performance.Product name Productcode Reference128MB Memory E3300053 The additional memory may be necessarywhen you print color documents that have alarge amount of data, such as complicatedgraphics.256MB Memory E3300061512MB Memory EL300452250 Sheet Feeder EL300459 Paper tray that can be loaded up to 250sheets of FX P paper.Load directly beneath the printer as tray 1.500 Sheet Feeder EL300460 Paper tray that can be loaded up to 500sheets of FX P paper.Load directly beneath the printer as tray 1 orbelow the 250 sheet feeder as tray 2.Duplex Unit EL300461 Can handle 2 sided printing. The additionalmemory may also be essential to enable 2sided printing depending on the printing datato be printed.Network Expansion Card EL300462 You can use NetWare, SMB, or IPP networkenvironments as well as the standard networkenvironment.The product type and code is as of January 2005.