Samsung ML-3712ND/XAA Manual De Usuario

• Ensure that the paper is loaded properly.

• Check the paper type and quality.

• Turn the stack of paper over in the tray. Also try rotating the paper 180° in the tray.

• Check for leaking toner. Clean the inside of the machine.

• The toner cartridge may not be installed properly. Remove the cartridge and reinsert it.

• The toner cartridge may be defective. Remove the toner cartridge and install a new one.

• The machine may require repairing. Contact a service representative.