User`s guide

bizhub C652/C652DS/C552/C552DS/C452 9-14
9.3 If print quality is deteriorated
9
5 Insert the print head glass cleaning tool into the print head
cleaning opening, pull it out, and then repeat this back-and-forth
movement two or three times.
6 Install the waste toner box.
7 Place back the print head glass cleaning tool to tray 1.
8 Close tray 1.