IBM CF Series manual Model, # of Cameras

6.Two pulley-driven drive rollers, one on each side of the scan window, are located on the bed of the scanner. Applying pressure against these two drive rollers are two free-turning rollers mounted in the lid of the scanner.

7.Three light sensitive sensors determine the position of the document.

3.1.3Document Illumination System

The Document Illumination System employs one green florescent imaging lamp along with a ballast. The Video Board controls these. Their purpose is to shed an even stable light on the document.

1.The Video Board controls the imaging lamp.

2.One green florescent imaging lamp provides the light.

3.The florescent lamp operates with a 25 KHz high frequency solid state ballast, operated on a linear voltage of 120 V D.C.

3.1.4 Camera System

The Camera System is comprised of the CCD Cameras, the Video Board, and the Calibration and Line Splice Board (CALSB).

1.The CF XXXX/44 employs from three to eight CCD cameras.

Model	# of Cameras
CF300	3
CF400	3
CF500	4
CF1000	8

2.The Video board converts all video analog signals to digital signals and corrects for gain and offset.

3.The Calibration and Line Splice Board (CALSB) splices the scanning line together, camera by camera.

3.1.5 Data Handling System