Hi, the C3450N-printer is permanently flashing (all 3 LEDs). "fatal internal error". Reading the error code gives 980 (100-110-000-000). What's wrong? rgds Kalle

It;s general error or fatal error. Find the Adjusment Program for R1900, then Click Printer Information Check. You will find the latest fatal Error code. You can figure the actual error of your printer.

My OKI C5800LDN printer displayed the Service 121 error last night. After reading the previous solutions, and trying them with no success, I followed the instructions in the service manual, and removed the High Voltage Power Supply Board. There are four cables that plug into the board, the rest of the electrical connections are made between spring loaded fingers that make contact directly with the board when snapped into place. I used a rubber eraser to carefully polish each one of the fingers and their connections points on the circuit board. I re-installed the board, and the error is gone.

The specific type of hardware failure can be determined by a "hidden" error code
Turn the xbox 360 on, and wait till the 3 red lights are flashing.
Press and hold the sync up button (the small white one), while holding that button press the eject button.
The LEDs will now blink the first number in the code (as described below).
Release the eject button and press it again.
The LEDs will now blink the second number of the code.
Release the eject button and press it again.
The LEDs will now blink the third number of the code.
Release the eject button and press it again.
The LEDs will now blink the forth number of the code.
Release the eject button and press it again.
The LEDs will go back to the 3 red flashing lights.
You should be able to determine the difference between the 3 flashing lights and the error code lights by the rate in which they flash.
Here is how you interpret the LEDs to get the code number:
All four lights flashing - 0
One light flashing - 1
Two Lights flashing - 2
Three lights flashing - 3

Once you get this code, go to: http://forums.xbox-scene.com/index.php?showtopic=484726
To get the reason for the code.

lift your top cover up and check the ribbon cables to the black leds (4) under the cover 2 on each led, these have been known to be loose and cause those fatal error codes

http://www.usa.canon.com/consumer/controller?act=ModelInfoAct&tabact=SupportDetailTabAct&fcategoryid=257&modelid=10239

error 6c00Alarm / Power light flashes orange 11 times consecutively (Automatic Print Head Alignment Error) 2. Alarm / Power light flashes orange 2 times consecutively (Load Paper / Paper Feed Error) 3. Alarm / Power light flashes orange 3 times consecutively (Paper Jam Error / Cover Error) 4. Alarm / Power light flashes orange 4 times consecutively (Out of Ink Error) 5. Alarm / Power light flashes orange 5 times consecutively (Print Head Error) 6. Alarm / Power light flashes orange 6 times consecutively (Inner Cover Open Error) 7. Alarm / Power light flashes orange 8 times consecutively (Waste Ink Nearly Full Error) 8. Alarm / Power light flashes orange 9 times consecutively (Camera Connection Error)

which OS you are working on?

If all the leds are fast blinking, you have a fatal error.
Most likely something has been overlooked during re assembly (forgotten connector maybe ?) as there is no need to reset the fuser.

Unplug the power to the printer for about 3-5 minutes. Then try again.

Greetings,

FATAL ERROR CODE : unit is unable to perform requested operation

No reset or fix for that problem.

New camcorder or repair - get a quote for repair and compare price for a new one.

Keep us posted and thank you for using our service.
FixYa for all your troubleshooting needs.

when all light is on printer has a fatal error ( Problem with scanner section or Fuser section)
Secondary error pls tell me is it blinking