If the back of the paper is smudged after printing, the transcription roller may be dirty.
Clean the transcription roller in the following procedure.
1. Press [Additional Functions].
2. Press [<-] or [+>] to select <ADJUST./CLEANING>, then press [OK].
3. Press [<-] or [+>] to select <TRANS. ROLR CLEAN>, then press [OK].
Cleaning starts. When finished, the display returns to the standby mode.