Composition - Toshiba e-STUDIO2500c Service Manual

14.2 Composition

Image quality sensor:
Image quality sensor:
D/A converter:
Laser optical system:
A/D converter:
Image forming process:
CPU:
Image forming process
Various image forming
e-STUDIO2500c/3500c/3510c IMAGE QUALITY CONTROL
Projects the amount of light on the transfer belt and outputs the voltage
corresponding to the reflected light amount from the transfer belt or the
toner image on the transfer belt.
Projects the amount of light on the transfer belt and outputs the volt-
age.
Converts light source amount signal into the voltage to the sensor.
Performs test pattern exposure (for toner image formation).
Converts the output voltage from the sensor into digital values and out-
puts them to the CPU.
Performs charging, laser exposing and developing processes.
Performs steps [1] to [10] described in chapter 14.4.
Laser optical system
conditions
Fig. 14-1
14 - 2
Transfer belt
D/A A/D
Light source
amount signal
CPU
Image quality
sensor
Reflected light
amount signal
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