Oki C 5300n - Manual (Page 56)

C5300 Macintosh OS 8.6-9.2.2 Operation Oki Driver Options • 56
Run Maintenance Cycle Before Printing
This option allows you to improve your print quality if you suspect
there is a problem with printing, such as too much graininess in the
print.
1. Select Run Maintenance Cycle Before Printing to force the
printer to automatically clean itself before printing.