Scanner Unit - Ricoh C231 Service Manual

6.3 SCANNER UNIT

6.3.1 OVERVIEW
[D]
[E]
[A]: Exposure lamp
[B]: Charge coupled device (CCD)
[C]: First mirror
[D]: Second mirror
[E]: Third mirror
[F]: Lens
The exposure lamp is a xenon lamp (DC 24V).
Light reflected off the original is directed onto a CCD via the mirrors and the lens.
The main-scan resolution is 600 dpi, because the CCD is 600 dpi. This model
always reduces the amount of scanned data to 300 dpi. ( 6.4.5)
The sub-scan resolution is 300 dpi.
SM
[A]
[C]
6-11
SCANNER UNIT
[F]
[B]
C238D050.WMF
C231/C237/C238