TA Triumph-Adler P-4030i MFP - Manual (Page 373)

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Troubleshooting > Troubleshooting
Adjustment/Maintenance
Drum Refresh
Remove image blur and white dots from the printout.
1 Display the screen.
1 Press the [ System Menu/Counter ] key.
2 Press [ ], [Adjustment/Maintenance], [ ] and then [Drum Refresh].
2 Perform the drum refresh.
Press [Start] to perform Drum Refresh.
NOTE
Drum Refresh cannot be performed while printing. Execute Drum Refresh after the printing is done.