Composition - Toshiba e-STUDIO2330C Service Manual

15.2 Composition

Image quality sensor:
Image quality sensor:
D/A converter:
Laser optical system:
A/D converter:
Image forming process:
ASIC:
Image forming process
Various image forming
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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
voltage.
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
outputs 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. 15-2
15 - 2
Transfer belt
Image quality
sensor
D/A A/D
Light source
Reflected light
amount signal
amount signal
ASIC
e-STUDIO2330C/2820C/2830C/3520C/3530C/4520C
IMAGE QUALITY CONTROL
15