12
© 2005 - 2008 TOSHIBA TEC CORPORATION All rights reserved e-STUDIO281c/351c/451c
DEVELOPER UNIT
12 - 1
12. DEVELOPER UNIT
12.1 General Description
In this equipment, the three color developers (Y, M and C) are installed in the revolver unit and the black
developer is installed independently separated from the revolver unit. This special structure ensures the
improved printing productivity at the Black Mode. When developing color images (Y, M or C), the black
developer unit escapes contacting with the drum. When developing black images, each color developer
unit escapes from the drum by rotating the revolver and the black developer unit contacts with the drum
instead.
The developer motor (M11) drives the lifting movement and developer sleeve rotation of the black
developer unit, and also the toner supply and developer sleeve rotation of the color developer unit.
Chapter 9 in this manual describes more.
Fig. 12-1
Color auto-toner sensor
Drum
Developer sleeve
Mixer
Mixer
Black developer unit
Black auto-toner sensor
Color developer unit
Developer sleeve
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