Description: The engine in your machine is checking problems detected.
Remedy: Wait a few minutes
Code: 38
Display: Self Diagnostics LSU
Description: The LSU in your machine is checking problems detected.
Remedy: Wait a few minutes
Code: 39
Display: Toner Empty
Description: The toner cartridge has run out. The machine stops printing. Press OK to toggle the message to Stop or Continue.
Remedy: You can select the option among Stop or Continue with the left/right arrow. If you select Stop by pressing OK on the control panel, the machine stops printing. If you select Continue, the machine keeps printing, but the quality cannot be guaranteed. If you do not select any, the machine will work as Stop is selected. Replace the toner cartridge with a new one.
Code: 40
Display: Toner Exhausted
Description: The lifespan of the toner cartridge which the arrow indicates is reached.
Remedy: This message appears when the toner is completely empty, and your machine stops printing. Replace the corresponding toner cartridge with a Samsunggenuine cartridge.
Code: 41
Display: Toner Low
Description: The corresponding toner cartridge is almost empty.
Remedy: Take out the toner cartridge and thoroughly shake it. By doing this, you can temporarily reestablish printing operations.
Code: 42
Display: Updating Data Please Wait...
Description: This message appears when there is a change in the system setting or when you back up a data.
Remedy: Do not turn the power off when this message is showing. Changes may not be saved and datas can be lost.