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November 2003 © TOSHIBA TEC 11 - 1 e-STUDIO3511/4511 DRUM RELATED SECTION
11
11. DRUM RELATED SECTION
11.1 Construction
This chapter explains about the drum, unit around the drum, image processing unit, their parts and
control circuits. This area mainly consists of the following components:
• Drum cleaner unit Drum
Main charger
Drum thermistor
Drum cleaner Cleaning blade
Toner recovery blade
Toner recovery auger
Drum cleaner brush
• Discharge LED unit Discharge LED
Ozone exhaust duct
Automatic wire cleaning drive unit
• Ozone exhaust fan
• Toner bag / Toner bag full detection sensors-1 & -2
(Toner volume detection sensor / toner pressure detection sensor)
• High-voltage transformer
• Image quality sensor ( Chapter 15)
• Temperature/Humidity sensor
Toner recovery blade
Drum cleaner brush
Toner recovery auger
Cleaning blade
Discharge LED
Drum
Toner bag full detection sensor-2
Toner bag full detection sensor-1
Fig. 11-101
Main charger
Drum thermistor
Ozone exhaust duct
Automatic wire cleaning drive unit