The display will show AA . Press the + or - key until you see LC (Print Configuration) or SI (Print Supplies Info), then press . The Firmware Update and Recovery Process
The program will create a file, typically named something like FIX_NU_XXXXXXXXXX_SCX3405.hd . 3. Flash the Printer Put your printer into : Turn the printer off. Hold the Stop/Clear button and press Power . Release both, then quickly press Stop/Clear again. The light should show orange/red.
Open the extracted folder and launch the executable file (usually named FixGen.exe or Generator.exe ).
: Found on the back of the printer or in the configuration report. fix generator v 1 1 samsung scx 3405
Flashing third-party firmware immediately voids any remaining Samsung/HP manufacturer warranty.
Press the following button sequence quickly: The display should show UC .
Creates a unique .hd or .bin file specific to your machine. The display will show AA
: Hold the STOP/CLEAR button for approximately 15 seconds until the LED stays solid green, then release.
This can indicate a failed update. Try reinstalling the official drivers from the HP Support site to restore basic functionality. Important Disclaimer
: The software uses these unique identifiers to "lock" the fix to your specific hardware. Release both, then quickly press Stop/Clear again
Step 2: Generate the Fix Launch the executable on your PC. Input your exact Serial Number, CRUM Number, and select your corresponding firmware base version. Click "Generate" to create your customized firmware file (usually named something like FIX_NU_SerialNo_SCX3405_V3.00.01.11.hd ).
What the right now (e.g. "Wait Image", "Error")
If your scanner fails to connect, sometimes restarting the computer and printer will resolve the connection issue SCX-3400 scanner not working .