Step 1. Turn printer on and waiting it is ready for work.
Step 2: Quickly press buttons in this order: "MENU" _ "#1934″_"MENU", after this on display will appear "TECH MENU".
Step 3: Next choose "REPORT CONFIGURATION" and press "OK".
Step 4. If you do it correctly, the printer will automatically print out a configuration file and serial, version stored in config file.
– Formatter Board of Samsung SCX-3405F printer is the main control board, it has the function of receiving the print command from the computer and controls the printer's parts to work correctly.
– How to identify PCB board Samsung SCX-3405F printer: it has usb cable which connects with printer.
– this method applies only for network printers.
Step 2: Connect printer to network by RJ45 port or Wifi.
Step 3: Open browser(IE, firefox, chrome…) and type IP Adress of printer and find out machine info tab, you will see version and serial of printer.
– You will see serial in the label behind printer.
– Connect the printer to the computer by usbcable and turn it on. Open uvcview program and then find usbprinting or usb compose device.