Question about Ricoh Aficio Colour 3006 Color Copier
SC387 Drum potential
· Uneven charge
· Worn drum
· Defective potential
Try the following
1. Clean the charge corona unit or replace the charge
corona wire and grid plate.
2. Reinstall the drum.
3. Replace the drum if necessary.
4. Replace the potential sensor.
Let me know if you need any more assistance
Posted on Jun 08, 2010
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Posted on Jan 02, 2017
it means you have a calibration error in your yellow development. you probably need a new yellow dev unit or the clutch or gears that drive it are bad. it could be a bad motor also
Posted on Oct 11, 2009
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