User guide Printer drivers27Loading optionalfirmwareTo load new firmware, proceed as follows.The most current version of the firmware can be downloadedfrom our internet page.1 Switch off the printer. Connect your DOS PC (LPT1:) to the par-allel port on the printer.2 Press keys 1, 4 and Online. Hold the keys pressed.3 Switch on your printer.The printer is ready for the download when BOOT appears on itsdisplay.4 In Windows open the MS-DOS window.5 Copy the file, e.g. DOWNLOAD.FDF, to your printer:COPY /B X:\path\DOWNLOAD.FDF PRN(X:\path stands for the drive and the directory in which the file is lo-cated.)A progress indicator (bar) and DOWNLOAD FIRMWARE appearson the display during the download; alternatively, an error messageis displayed:PRG = FirmwareGEN = Character set or font (character generator)P+G = Firmware and character setBOO = Firmware, character set and boot blockThe number of the currently transferred data block (frame) is dis-played in addition in the top line of the display on the right.DOWNLOAD OK and BOOTAREA SKIPPED is displayed brieflywhen the procedure has been completed successfully. The printerthen runs through its initialisation routine, after which it is ready foruse. Repeated separate loading of firmware and character genera-tors is possible.Troubleshooting It is necessary to repeat the entire procedure if an error occurs dur-ing the download. This is indicated by a corresponding message onthe display. It may be that not all fault messages can be shown onthe display. In this case, the operating system of your PC displaysan error message such as “Write error on device”.OnlineSetup21 3 4OnlineSetupBOOT21 3 4OnlineSetupDownloadfirmware21 3 4
