TroubleshootingSamsung Electronics 4-13DOS Command modeThis method is just for Parallel Port. Connect to PC with Parallel cable and enter DOS Command to upgradethe Firmware.< Method >a). You will need the following files:- down.bat, down_com.bin, fprt.exe, and “Rom File”: this is the firmware file to be loadedinto the printer. Save the files in the same folder, close to the root of C;, e.g. C\TEMPb). At a DOS prompt, input one of the commands shown below and press the enter key. The file will then be sent automatically tothe printer.c) There are two commands use the correct one depending on the printer status.* when the printer is in the user mode and is in the normal ready condition: down "rom file"* When the product is been placed in the upgrade mode (TECH MODE → MAINTENANCE → FLASH UPGRADE → LOCAL)fprt "rom file"d) Do not turn off the power while the upgrade is in process.”4-4-7-2 Remote FAXThis function uses one fax machine already loaded with the latest firmware to upgrade one or more otherremote machines of the same type using the telephone network.< Method >1. Operate a fax with the latest firmware to prepare it to send the upgrade. (TECH MODE MAINTENANCEFLASH UPGRADE REMOTE)2. Input the telephone number of the fax machine to be upgraded. (Several faxes can be upgrade at the sametime. In this case, enter the telephone number for each machine.)3. Then press the enter button, this will send the firmware file by calling to the each of the selected faxmachines in turn. (Around 10~15 minutes is needed to send the file to each machine.)< Caution >1. The sending and receiving fax machines must be the same model.2. A sending fax must be set up as ECM mode, and the receiving machine memory must be set up as 100%.If not the upgrade will fail.”4-4-8 Identify Sale Date(Only SCX-5315F)This function confirms the date that the consumer first uses the product. The date stored is the date of the firstscan or first print whichever operation the user carries out first.This information is retained even after a memory delete (Clear All Memory).< Method >Press MENU, #, 1, 9, 3, # in sequence. The Firmware version is displayed on the LCD.Press 1( in the number keypad) : The LCD display shows "Updated date"Press 2( in the number keypad) : The LCD display shows "Product first use date"