Fuji Xerox ApeosPort Print C5570 Reference Manual page 207

Note
 Clean the four LED printheads R1 to R4 by sliding the cleaning bar back and forth for two or three times respectively.
5.
Return the cleaning bar to the back side of the front cover.
6.
Return the conveyance box to the original position.
Note

Push the box until it clicks into place.
7.
Rotate the handle clockwise to lock the box.
8.
Close the front cover.
8.5 Cleaning the Machine
207