If you do not want to use modified firmware, you can try manual troubleshooting or partial resets:
For (not firmware modification):
The owner discovered a legend of the —a custom set of instructions usually hidden inside a compressed .rar or .zip archive. This wasn't a standard update from the manufacturer; it was a "patched" firmware designed by clever engineers to break the digital lock. How the Fix Worked printer toner reset firmware fix samsung clx 3185rar work