Ccd / Lamps - Duplo Duprinter DP-43E Service Manual

chap.2
z Scanner Section

(3) CCD / Lamps

Description
The lamps illuminate the document, and the reflection light is transmitted to the CCD. The image signal is
output from the CCD by the voltage level. The signal from the CCD is transmitted to the AD PCB Unit and
converted.
Circuit
Specifications
2Lamp
Xenon arc lamp is used for this machine. it is excellent in starting up when the lamp is lit, and the photo
amount is stable. Since two lamps are used, less shadow is produced for a patched document.
2CCD
No. Item
1 Optical signal storage time
2 Frequency
The number of effective picture
3
elements
Reading width
4 (This is not the image width
which can be processed)
5 Reading density
DP-43E/S, 33E/S
1.6msec/line
3.375MHz
4800 picture elements
305mm
400DPI(15.7dot / mm)
92
DP-31E/S
2.048msec/line
300DPI(11.8dot / mm)