3.
Slide the toner density sensor lever once to the left.
Slide the lever only once.
4.
Carefully insert the print cartridge removed in step 2 vertically.
5.
Using both hands, hold the center of the top cover and close the cover carefully. Be
careful not to trap your fingers.
After closing the top cover, wait until the initial screen is displayed.
CER056
CES088
CES140
Cleaning
403