15 February 2006 SCANNING
6-25
Detailed
Descriptions
6.5 SCANNING
6.5.1 OVERVIEW
1. Exposure Glass
2. Lamp Regulator
3. Exposure Lamp (Xenon)
4. White Plate
5. Scanner HP Sensor
6. Exposure Glass (ADF)
7. Original Width Sensor
8. Original Length Sensors 1, 2
9. Scanner Lens Block
10. CCD (Charge Coupled Device)
A xenon lamp (23W) illuminates the original. Light is reflected from the original to
the CCD: 1st Mirror → 2nd Mirror → 3rd Mirror → Scanner Lens → CCD
The lens block (which consists of the scanner lens, CCD, and SBU) adjusts for
refraction, MTF, and focusing. The lens block is replaced as a unit and requires no
adjustment in the field.
The resolution of the CCD is 600 dpi.
B246D810.WMFF
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