Routine Maintenance
Drum End Soon
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The drum unit is nearing the end of its rated life and will require replacement. We recommend you keep a genuine Brother drum unit ready for installation.
Clean the corona wire in the drum unit. If you don’t, printed pages may have a vertical stripe or Drum Error may occur. (See Cleaning the corona wire uu page 111.)
Replace Drum
The drum unit has exceeded its rated life. Please replace the drum unit with a new one. We recommend a genuine Brother drum unit be installed at this time.
After replacement, reset the drum counter by following the instructions included with the new drum unit.
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