10 Replacing toner cartridges and staples and emptying punch scrap box10-16 CS250/CS240/CS2319 Remove the tape from the protective sheet for the PC drum.10 Remove the protective sheet for the PC drum.11 Insert the new imaging unit into the machine.– Make sure that the imaging unit is the same color as thelabel on the imaging unit compartment.– Do not insert the imaging unit into its compartment at anangle.– Make sure that the imaging unit is fully inserted into itscompartment.12 Close the securing lever for the imaging unit.