TA Triumph-Adler DC 2325 - Manual (Page 238)

System Menu
6-70 ADVANCED OPERATION GUIDE
System Initialization
Initialize the hard disk mounted on the machine to return to the default
mode.
Refer to System Initialization on page 6-87 about the initialization
procedures.
Clean the Main Charger
Clean the Main Charger if black or white vertical streaks appear on images
in printout.
1 Press the System Menu key.
2 Press [T] and then [Execute] of Clean the Main Charger.
3 Clean the Main Charger.
For more information on cleaning the main charger, refer to the Operation
Guide.
4 When you have finished cleaning, press [End], and wait 5 minutes.