66 6-66-6Trouble Shooting > Version Up > Firmware ConfigurationTrouble Shooting > Version Up > Firmware ConfigurationVersion UpOverview of UpgradingThere are two kinds of following version up methods in this machine• Change it for the PCB of a new version• Upgrading is performed by downloading firmware from a personal computer (hereinaftercalled PC) to this machine using a user support tool (hereinafter called UST).PCB Upgrading methodMain controller PCB • PCB replacing• USTEngin controller PCBT-6-4Firmware ConfigurationPCUSB cableFirmwareFirmware Function Storage areaBOOTABLE Overall control Main controller PCBLANGUAGE Manage languages used in panel / Remote UI and font data. Main controller PCBDCON(ECONT)Control the printer unit. Engine controller PCBA number of firmware may be less than the above depending on the UST version.Caution:When you install it every model in this machine so that firmware is different, you mustnot make a mistakeMF6700/D1300 MF5900/MF6100/MF6700/D1300(SEND Model)BOOTABLE/LANGUAGE typeA typeBDCON Model is commonF-6-3T-6-5T-6-6