|Handbook 147FirmwareFirmware is a category of memory chips that hold theircontent without electrical power and include ROM, PROM,EPROM and EEPROM technologies. Firmware becomes“hard software” when holding program code.This “hard software” is kept in semi-permanent memory. Itwill not be forgotten when the power is shut off. Firmwareprograms can be altered, and are frequently revised.An EPROM is typically erased by using intense ultravioletlight.Identifying Your Current Firmware VersionYou may be asked for the firmware version number if you callfor service. Your Authorized OKIDATA Service Dealer willwork with you to identify the firmware version of your faxmachine.Upgrading Your FirmwareConsult the store location where you purchased your faxmachine, or call 1-800-654-3282 (1-800-OKIDATA) for thelocation of the nearest Authorized OKIDATA Service Dealer.Serial Number of Your Fax MachineThe serial number of your fax machine is on a label on theside or back of your fax machine.The label will say “S/N”.An example serial number is: 401A0154693.
