> When You Cannot Print Properly > Printing Results Are Not Satisfactory > Spots Appear
4F2C-01W

Spots Appear

The fixing unit may be dirty.
Clean the fixing unit.  
If cleaning the fixing unit does not solve the problem, setting <Reduce Toner Fixing Stain 1> to <On> may solve the problem.  
NOTE
If you set to <On>, the printing speed may be slower.