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This machine uses an LED lamp [A] as the light source. An LED lamp consumes little power, delivers en ample amount of light after a short warm-up time, so it was selected over a Xenon lamp for this machine. The light from the exposure lamp to the CCD follows this path:

1st Mirror [A] > 2nd Mirror [B] > 3rd Mirror [C] > Lens [D] > CCD [E]

• LED Lamp
  An LED lamp consumes little power, and delivers an ample amount of light after a short warm-up time, so it was selected over a Xenon lamp for this machine.
• CCD
  Color CCD with three-color mixing (RGB) with varied electric signals.
  Employs a CCD element capable of 600 dpi resolution.
• Shading Correction
  A white standard seal is affixed to the rear scale which the machine uses to calibrate the white balance with light reflected from the LED exposure lamp as soon as the machine is turned on. Shading is done on the flatbed scanner one original at a time, regardless of whether the image is FC or B&W. When scanning with the ADF, shading correction is done before the first original is scanned, and then executed again at prescribed intervals (more than one minute), regardless of whether the originals are FC or B&W.