H-Class 101Use the following list of solutions if errors occur when attempting an update:Firmware Updating Error MessagesDisplayed Message Descriptions / Possible Causes / SolutionsDECOMPRESSION ERRORAn error occurred during the decompression and transfer offile data from cache storage into the Flash memory. Confirmthe firmware version and try the download again; however, ifthe problem continues call for service.ERROR ERASING FLASHFlash memory could not successfully be erased. DefectiveFlash memory is a possible cause. Try the download again;however, if the problem continues call for service.ERROR WRITING FLASHThe program could not successfully be written into Flashmemory. Defective Flash memory is a possible cause. Try thedownload again; however, if the problem continues call forservice.HARDWARE MISMATCHThe firmware downloaded is not compatible with the MainLogic Card, is for a different model printer, or is not supportedby the Boot Loader version. See Configuration Level.INVALID SOFTWAREA error was detected during download, possible causes andsolutions include:• An invalid or corrupted file was downloading. Try resavingthe file to the host. Download the file to the printer.• A communications error occurred. Recheck the cabling andport settings.SOFTWARE MISMATCH The software level being installed is not authorized for thisprinter. See the Printer Key information; Section 4.2.4.5.7 Updating the Boot LoaderBoot Loader updates can be found at ftp://ftp.datamax-oneil.com. Before proceeding,identify the printer’s current Boot Loader version by printing a Configuration Label (seeSection 4.3.5). Compare the current version to those available from the FTP site.Download the desired version onto your computer’s hard drive then follow the steps belowto install the program.If power is lost while UPGRADING SOFTWARE is displayed, the printer willbecome non-functional and will require factory programming or a main logiccard.