try going to service mode on the printer, go to service function & select parts replacement alert and disable the notification on OPC so that it doesn't show toner reading.
In order for the print out to be clear, the paper path, drum and the transfer belt should be clean & the waste toner container should be empty. If doesn't work replace the drum.
Test the power cable on another printer and sees if it powers it..check the power supply if it is up to or not more than the required output voltage to power the printer..if problem persist check power board of the printer and read if their is still continuity on the fuse ..read the fuse with multimeter..the fuse if the printerust have been discontinued
For me it was a standard paper jam. I pulled out the paper tray, reached under and pulled out a jammed sheet, then reinserted the paper tray and it worked.
To reset Samsung printer manually, firstly press the Power button until the LED light turns off. Before proceeding to next step, confirm that your Samsung printer is off. Now, you have to remove the power cable from the back of Samsung printer and then leave your printer unplugged for 10 minutes.
https://www.printerstechnicalsupport.com/how-to-reset-samsung-printer-firmware
https://www.youtube.com/watch?v=K93j4hdTpZQThis error is caused by a counter inside your printer not being correctly reset when the new belt is installed. To fix this problem follow the steps below: Press MENU then #1934. Use the arrow keys to navigate to the Tech menu (this is different to the User Mode)
