Note
•Be sure to return the tab to the home position (a) (1). If you do not, printed pages may have a vertical stripe.
•We recommend that you clean the corona wire for each color. If you want to clean only the corona wire of the color that caused the print quality problem, see the illustration below to identify the position of each of the corona wires.
C
c
M m 
Y y 
K
k 
C: Corona wire for Cyan
M:Corona wire for Magenta
Y:Corona wire for Yellow
K:Corona wire for Black
c: Cyan toner position label
m:Magenta toner position label
y:Yellow toner position label
k:Black toner position label
The corona wires for black, yellow and magenta are located under the next toner cartridge. For example, when you clean the corona wire for black, you need to remove the yellow toner cartridge to access the corona wire for black.