Specifications

1.14 TONER SCATTERING
- Phenomenon -
Toner scatters from the development unit.
- Possible Causes -
1. Toner density is too high.
2. Inlet seal on the development unit is out of position.
3. Filter on the top of the development unit is dirty.
4. Developer deterioration
5. Doctor gap is too wide.
- Action -
Is toner density too high?
No Yes
See section 1-11 (TONER DENSITY TOO HIGH).
Is the inlet seal deformed?
No Yes
Replace the inlet seal plate.
Is the filter dirty with toner?
No Yes
Clean the filter with a vacuum cleaner.
Has the developer been used more than 60K?
No Yes
Replace the developer.
Check the doctor gap. If the doctor gap is wider than the adjustment
standard, adjust the doctor gap.
1 December 1990
6-20