The OL830 is an 8 page per minute page printer, with Adobe Postscript capability. The OL830 uses a stationary LED head and dry electrophotography as its exposure and development methods. In addition to supporting Adobe Postscript (17 Fonts), the OL830 provides the HP LaserJet Series II emulation, which has 36 resident fonts and the Diablo 630 emulation, which has 6 resident fonts. The OL830 is shipped with the emulation board already installed. An optional font card can be installed with either the PostScript or HP mode. Four cards are available for use in PostScript Mode: Futura and More, Garamond and More, Optima and More, and PostScript Essentials. Seven cards are available for use in the HP mode. Six of the seven cards are available from Okidata: Barcodes Plus, Letter Gothic, MICRO DOCS, OKIPRO 65, Prestige Elite, and Tax. The seventh card, the Custom Font Card, is available from Architext. The OL830 also accepts downloadable fonts. A 2 Mbyte page memory is standard on the OL830. This can be expanded to 4 Mbyte with an optional RAM printed circuit board. A Centronics parallel interface is standard. An optional interface board may be installed. This board contains three interfaces: AppleTalk, RS232-C Serial, and RS422-A Serial. Two consumables are used in the printer. The toner cartridge kit contains a toner cartridge, a fuser cleaner pad, and an LED lens cleaner. The other consumable, the image drum cartridge kit, includes an image drum cartridge and an ozone filter. Toner and drum life depend on printer use. Based on a 5% print density and 10 pages per job, a toner cartridge should last approximately 2,500 pages; a drum should last approximately 15,000 pages. A 200 sheet letter-size paper tray is included with the printer, and a second tray can be added, (if the optional second paper feed unit is installed), providing an additional 200 pages. Legal, Envelope, Executive and A4 paper trays are also available. Paper feeding can be done automatically or manually. Pages can be printed face-down or face-up. The face-up stacker assembly located at the back of the printer must be used for items such as card stock, envelopes, labels or overhead transparencies. The OL830 Printer is a member of the family of OL Series Printers which includes the OL400, OL800, OL820, and OL840. Okidatas own proprietary engine assures built-in quality and reliability.