C6150 Userís Guide21The size, weight, and type of the paper (print media)determine:ï which paper feed tray can be usedï which paper exit path can be usedï whether you can use double sided (duplex) printingSingle sided printing is also known as simplex printing.These settings can be made in the printer menu or in theprinter driver.Application settings override driver settings.Driver settings override printer menu settings.The best performance is obtained when using paper designedfor use in copiers and laser printers. Suitable types include:ï Hammermill Æ Laser Printer Radiant White, 24 lb. USBond (90 g/m≤)ï Xerox Æ 4024, 20 lb.US Bond (75 g/m≤)ï OkiÆ 52206101 Bright White Proofing Paper, 32 lb. USBond (120 g/m2 )Recommendationsï Check www.okiprintingsolutions.com for the latestinformation on recommended papers for your printer.ï Paper should be stored flat, away from moisture, directsunlight and heat sources.ï The use of heavily laid or textured paper willseriously affect the life of the image drum and givepoor print quality. Print quality can be improved bychanging the media setting to ëUltra Heavy.í However, thiswill reduce the output speed and prevent the use of theduplex option.If the Ultra Heavy setting does not give proper tonerfusion, you can try the Label settings.