ES3640e MFP Userís GuideMFP Overview > 25Software suppliedCDs:> DriversContains PCL and PS drivers, utilities and productivitysoftware for the PCL driver.> DocumentationContains documentation in electronic form to describe howto use the printer for day-to-day tasks.> EFI UtilitiesContains all the EFI utility software.Printer unitPaper recommendationsYour printer unit will handle a variety of print media, including arange of paper weights and sizes, transparencies and envelopes.This section provides general advice on choice of media, andexplains how to use each type.The best performance will be obtained when using standardweight 20 ñ 24 lb (75 ñ 90 g/m≤) paper designed for use incopiers and laser printers. Suitable types are:> OKIÆ Bright White, 32 lb US Bond> HammerMillÆ Laser Print Radiant, White, 24 lb US Bond> XeroxÆ 4024, 20lb US BondUse of heavily embossed or very rough textured paper is notrecommended.Pre-printed stationery can be used, but the ink must not offsetwhen exposed to the high fuser temperatures used in the printingprocess.Envelopes should be free from twist, curl or other deformations.They should also be of the rectangular flap type, with glue thatremains intact when subjected to hot roll pressure fusing used inthis type of printer. Window envelopes are not suitable.Transparencies should be of the type designed for use incopiers and laser printers. In particular, avoid office