66 6-26-2Troubleshooting > Upgrading Targets and Procedure > OutlineTroubleshooting > Upgrading Targets and Procedure > OutlineUpgrading Targets and ProcedureOutlineThere are two methods to upgrade the system software.1. Upgrading system software for host machine: Use the PC (UST).2. Upgrading system software for inner finisher: Use the PC (SST) and downloader PCBCPU USB cablestraight cableRS232CFY9-2034PCJ8104Flash ROMCPUFlash ROMCN22UST or SSTHost machineInner finisherMain controller PCBFinisher controller PCBSystemsoftwareDownloaderPCBF-6-1F-6-1Host machineTargetPCBCategory Target systemsoftwareFile type RemarksMaincontrollerPCBiR2545/iR2535 Boot USTUPDATE_iR2545_35_BOOT_vXXXXThere are two typesof main controllers.Note: When upgradingtwo types of firmware,Boot and Bootablelang, at the same time,upgrade Boot first.Program USTUPDATE_iR2545_35_bootable_lang_WLaaXXXXiR2530/2525/2520 Boot USTUPDATE_iR2530_25_20_BOOT_vXXXXProgram USTUPDATE_iR2530_25_20_bootable_lang_WLaaXXXXDCcontrollerPCBiR2545/iR2535 DCON USTUPDATE_iR2545_35_DCON_vXXXXThere are three typesof DC controllers.iR2530/25251st cassette,550-sheet typeUSTUPDATE_iR2530_25_DCON_vXXXXiR2530/2525/25201st cassette,250-sheet typeUSTUPDATE_iR2530_25_20_DCON_vXXXXInner finisherTarget PCB Target systemsoftwareDescriptionon SSTRemarksFinishercontroller PCBFIN_CON IFN_B1 For the detailed procedure, refer to the servicemanual for the finisher.T-6-1T-6-1T-6-2T-6-2
