Solution
If black streaks appear on printouts, the fuser roller in the main unit may be dirty. Should this occur, clean the fuser roller accoding to the following procedure. The roller should also be cleaned on each time the toner cartridge is replaced. Load a sheet of blank A4 paper into the paper feeder and start cleaning.
NOTE
Cleaning the roller takes approximately 180 seconds.
2. Press [<-] or [+>] to select <ADJUST./CLEANING>, then press [OK].
3. Make sure that a sheet of blank A4 paper is in the paper feeder.
4. Press [<-] or [+>] to select <FIX.UNIT CLEANING>, then press [OK].
NOTE
Use standard paper as the cleaning paper. Throw away the cleaning paper after use.