Scanning
Overview
The short focus scanner is realized by implementing a lens block (SBU, CCD, and Lens) on the carriage.
After the scanner lamp unit emits the light to the document, the light goes through route shown below
and reaches the CCD.
Scanner lamp unit (LED) -> Original -> 1st mirror (13) -> 2nd mirror (3) -> 3rd mirror (6) -> 2nd mirror
(3) -> 4th mirror (5) -> 5th mirror (14) -> lens -> pre-sensor lens -> CCD
No. Description No. Description
1 Sheet-through exposure glass 9 Sensor board unit (SBU)
2 Exposure glass 10 CCD
3 2nd mirror 11 Pre-sensor lens
4 Scanner lamp unit (LED) 12 Lens
5 4th mirror 13 1st mirror
6 3rd mirror 14 5th mirror
7 Scanner motor 15
Anti-condensation heater* (Scanner
heater)
8 APS sensors
*Service part
Scanning
1099
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