C9850 User’s Guide> 10Additionally, the following optional features are available:> Additional paper trays for loading a further 530 sheets at atime to minimize operator intervention, or different paperstocks for letterhead stationery, alternative paper sizes orother print media:> 2nd/3rd Tray (530 sheets each)> High Capacity Feeder (HCF) (1590 sheets)NOTETray configurations are: Tray 1 only, Tray 1 + 2nd Tray, Tray 1 +2nd Tray + 3rd Tray, Tray 1 + HCF, Tray1 + 2nd Tray + HCF> Duplex unit for the C9850hn> Finisher for stapling or saddle stitching printer output> Punch unit (to extend Finisher functionality)ABOUT THIS GUIDENOTEImages used in this manual may include optional features that yourprinter does not have installed. Also, they may omit features notessential to the description of a particular function.This manual is your user’s guide (check the web site,my.okidata.com, for the most up-to-date version) for your printerand forms part of the overall user support listed below:> Set-up Poster: for quick step by step visual setup of yourprinter.This is a paper document that is packaged with the printer.> Set-up guide: to describe how to unpack, connect and turnon your printer.This is a paper document that is packaged with the printer.> This User’s Guide: to help you to become familiar with yourprinter and make the best use of its many features. Alsoincluded are guidelines for troubleshooting and maintenanceto ensure that it performs at its best.> Additionally, information is provided for adding optionalaccessories as your printing needs evolve.