Table of Contents
Advertisement
14. Toner Drop - Toner spot stain is caused on the print by the toner dropping within the printer engine.
Main Causes
1.
Toner drops on the transfer drum due to the break-down of the waste toner feeder's drum cleaner.
a. Mylar of the waste toner feeder is deformed.
b. Waste toner is not properly collected by the waste toner feeder.
2.
Toner adhering to the developer roller drops on the photoconductor belt.
Cleaning Brush
Transfer Drum
Countermeasures
1.
Check up the cleaning brush and waste toner feeder.
a. Clean the perimeter of the cleaning brush installation location.
b. Check the seal for damage. If damaged, replace the waste toner feeder with a new feeder.
c. Check for waste toner in the printer. If so, vacuum the waste toner with a toner vacuum cleaner.
2.
Remove the toner module.
a. Clean the surface of developer roller.
b. Replace the toner module with a new module.
Cleaning Roller
Waste Toner
Feeder
Developer Roller
Toner Drop
Toner Module
Imaging Artifacts
227
Advertisement
Chapters
Table of Contents
