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e-STUDIO3511/4511 REVOLVER UNIT 13 - 2 November 2003 © TOSHIBA TEC
13
13.3 Functions
(1) Revolver motor
The revolver unit rotates with the drive of the revolver motor (two-phase stepping motor). The revolver
home position sensor detects its home position.
(2) Developer motor drive unit
The developer motor drives the color developer unit and the toner supply auger in the revolver unit.
This drive is connected and disconnected by the color developer unit drive clutch and the color toner
supply clutch. Only the color developer unit at the developing position is driven by this motor.
(3) Color toner cartridge
The color toner cartridge and the color developer units are fitting each other to prevent misinstallation
of the color toner cartridge. Therefore, the revolver unit has no device preventing misinstallation.
(4) Color developer unit
The color developer units must be in the revolver unit to perform color development. Since the
revolver unit has no device to detect misinstallation, be careful not to install the wrong unit. Refer to
Chapter 12 for details.
(5) Color toner cartridge sensor
This sensor detects the installation fault of the color toner cartridge. It is an optical reflection sensor
detecting the installation fault with the reflecting light from the reflection section. The color toner
cartridge is detected at the toner cartridge replacement position.
(6) Revolver home position sensor
This sensor is a transmissive type light sensor detecting the revolver unit home position. The position
detection is performed at initialization. "Call for service" if it does not detect the position in a specified
period of time.