23There are white lines on the printout.There are black lines on the printout.Problems with the connectionNo dial tone.Receive polling does not work.Clean the toner drum with a soft cloth.The toner cartridge is damaged and must be replaced. Onlyuse OKI original toner cartridges.Check that the machine is connected to the mains and to atelephone line.Check that the machine from which you are trying to receivefaxes is set for automatic fax operation and for polling. If youneed a code, check you have the right one.