Process Unit Related Section; General Description - Toshiba e-STUDIO2500c Service Manual

11. PROCESS UNIT RELATED SECTION

11.1 General description

The equipment has 4 process units (EPU: Electrographic Processing Unit). Each process unit consists
of the drum cleaner unit and developer unit which are unified, and it corresponds to the image forming
process of Y, M, C, K colors. Also, the main charger unit is installed with the cleaner unit, and the dis-
charge LEDs are installed on the ozone duct.
This chapter explains about the process unit and parts around this unit which are provided for image
formation. Except the developer unit, which is one of units composing the process unit, is described in
chapter 12 in detail.
Drum ( Y )
Process unit ( Y ) Process unit ( M )
Drum cleaner unit ( Y )
Drum cleaner unit ( M )
Drum thermistor
May 2006 © TOSHIBA TEC
Drum ( M ) Drum ( C )
Process unit ( C ) Process unit ( K )
Drum cleaner unit ( C )
Fig. 11-1
Drum cleaner unit
Drum
Main charger unit
Main charger grid
Needle electrode
Fig. 11-2
11 - 1
Drum ( K )
Temperature/Humidity sensor
Drum cleaner unit ( K )
Conductive recovery blade
Toner recovery auger
Cleaning blade
Discharge LED
Ozon duct
e-STUDIO2500c/3500c/3510c PROCESS UNIT RELATED SECTION
Toner bag
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