Kyocera KM-1820 Service Manual page 86

(3) Image is too
light.
Causes
1. Insufficient toner.
2. Deteriorated developer.
3. Dirty or deteriorated drum.
(4) Background is visible.
Causes
1. Deteriorated developer.
(5) A white line appears
longitudinally.
Causes
1. Dirty or flawed main charger wire.
2. Foreign matter in the developing section.
3. Flawed drum.
4. Dirty shading plate.
Causes
1. Insufficient toner.
2. Deteriorated developer.
3. Dirty or deteriorated drum.
If the add toner indicator lights, replace the toner container.
Replace the process unit.
Replace the process unit.
Causes
1. Deteriorated developer.
Replace the process unit.
Causes
1. Dirty or flawed main charger wire.
2. Foreign matter in the developing section.
3. Flawed drum.
4. Dirty shading plate.
Replace the process unit.
Replace the process unit.
Replace the process unit.
Clean the shading plate.
Check procedures/corrective measures
Check procedures/corrective measures
Check procedures/corrective measures
2GM
1-5-17