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Scanner Adjustments and Calibrations
HP Designjet T1100 MFP, 4500mfp, 4500 Scanner, 820 MFP Service Manual
5-4
The CCD Element
The central component of the Camera is the Sony CCD (Charge Coupled
Device) element, which is responsible for capturing the colors reflected from
the original image.
The CCD is formed as a chip, and is inserted into a standard dual in-line
socket just like a normal chip. The chip has 4 rows each containing 7500
pixels.
The 4 rows each scan a different color. Combined, the 3 rows provide 24 bit
color. The last row is for panchromatic scanning. Each CCD pixel is formed
as a square with a side length of 5 µm. There is 40 µm between the
adjacent lines.
Grey Line

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4500mfp, 4500, 820 mfp

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