1- With the printer powered on, open the front door / cover.
2- Press and hold the cancel button (PATTLNK_4132007_1648-CancelButton_RedX_E250_en_US.gif ¬) until all the lights flash. This indicates that the photoconductor page count has been reset.
3- Release the button and close the front door/cover.
4- If this does not clear the PC Life Warning or Replace Photoconductor message, power off the printer and attempt this procedure again from Step 1.