44952001TH Rev.2
2-24
Oki Data CONFIDENTIAL
2. DESCRIPTION OF OPERATION
2.3.2.2 Exposure block
1. Lamp
LED(R,G,B) is used toirradiate light to document
2. Rod lens
The reflected light from document is again reflected to the CMOS sensor
1
2
2.3.2.3 Carraige-Assy drive mechanism
Carriage-Assy drive mechanism
Carriage-Assy performs the function of irradiating the lamp light uniformly over a document
while moving its position.
The carriage-Assy is driven by a belt which is driven by the FB motor. Scanner moves at the
scan speed corresponding to the respective magnification ratios that are set with reference to
the standard scanning speed.
Home position of the carriage-Assy is the position where the home sensor is located. The
home position is the reference position of the scanning operation.
5
4
2
1
1 Home Sensor
2 Carriage Assy
3 FB Motor
4 Belt
5 Shaft
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