Kyocera Mita FS-C5016N Quick Reference Manual page 38

There are 4 main charger units, one for each toner con-
tainer. When performing the cleaning procedure, be
sure to clean the main charger unit that corresponds to
the toner container that was replaced. The following
example explains the procedure to clean the main
charger unit for the black toner container.
Left Cover
36
M C Y K
1
Main Charger Units
Open the left
cover.