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- HP Community
- Printers
- Printing Errors or Lights & Stuck Print Jobs
- Error 0X83C0000A NOS_LOADER_APP

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04-11-2019 05:23 AM
I have a lightly used multifunction printer Deskjet Ink Advantage 4645 about a year old. The printer is showing Error code 0X83C0000A NOS_LOADER_APP whenever I start the printer. No further operation is possible and the printer is essentially bricked.
The printer is attached directly to the wall outlet. I have tried doing the reset procedure (removing the power cord from printer>from wall socke>pressing power button for 30 seconds>restarting after 2-3 minutes) multiple times but of no avail. I will be grateful if I get information about an alternate way to reset the printer.
Thanks
04-12-2019 08:04 AM
Hi! @Deepak76,
Do you have the printer power cable plugged into a Power Bar or a Power Strip? If so, please plug the power cable directly into a wall outlet and check if it helps.
Replace low, empty or faulty ink cartridges on the printer.
Try updating the printer firmware to the latest version and check if it helps.
Update the printer firmware using this link. Click Here
Try few steps recommended below.
In some cases, removing the ink cartridges and resetting the printer can clear the error message.
Turn on the printer.
Wait until the printer is idle and silent before you continue.
Disconnect the USB cable from the rear of the printer. If your printer has a network or wireless connection, leave it connected.
Remove the ink cartridges from the printer.
With the printer turned on, disconnect the power cord from the rear of the printer and from the wall outlet or power strip.
Wait at least 60 seconds.
Plug the power cord back into the wall outlet.
NOTE:
HP recommends connecting the printer power cord directly to a wall outlet.
Reconnect the power cord to the rear of the printer.
Turn on the printer, if it does not automatically turn on.
The printer might go through a warm-up period. The printer lights might flash, and the carriage might move.
Wait until the warm-up period finishes and your printer is idle and silent before you proceed.
Reinsert the ink cartridges, and then close the ink cartridge access door.
If you receive a prompt to print a calibration page, do so.
If you disconnected the USB cable, reconnect it to the rear of the printer.
Try to print.
Also, try checking with a different cartridge on the printer.
Refer this article to know more information about 0x errors on the printer. Click Here
If the issue still persists after trying out the steps it is a hardware issue with the printer.
Please contact HP support for service options.
Contact HP support using this link. Click Here
Have a pleasant day ahead! 🙂
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A4Apollo
I am an HP Employee