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November 2003 © TOSHIBA TEC 13 - 1 e-STUDIO3511/4511 REVOLVER UNIT
13
13. REVOLVER UNIT
13.1 General Description
The revolver unit has three colors (yellow, magenta and cyan) of developer units and three colors of
toner cartridges inside. The revolver rotates 120 degrees in a clockwise direction to move each color
developer unit to the developing position, and thus color development is performed. At black
development, the revolver rotates to move them to the escape position not to contact with the
photoconductive drum.
13.2 Construction
This chapter explains about the following units, parts and control circuits related to the revolver unit.
Refer to Chapter 12 for the color developer unit and Chapter 9 for the developer motor drive unit.
• Revolver motor
• Developer motor drive unit
• Color toner
• Color developer unit
• Color toner cartridge sensor
• Color auto-toner sensor
Color auto-toner sensor
[Revolver unit sectional view]
Fig. 13-201
Photoconductive drum
Revolver home
position sensor
Color toner
cartridge sensor
Revolver unit
Revolver motor