Duplo DP-S Series, Service Manual

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No. Item
DP-S850 DP-S650 / S620 DP-S550 / S520 / S510
Specification
secondary scanning
primary scanning 600dpi (23.6 dots)
600dpi (23.6 dots)
34
z
Scanner Section
chap.2
(4) CCD / Lamp
Description
The lamp illuminates the document and the reflected light is transmitted onto the CCDs.The CCDs output
the image signals in level of voltage.
This machine adopts a xenon lamp which is lit quickly when turned on, and the quantity of light is
stable.The lamp is lit when the the control signal CN1-1 for the lamp inverter unit is LOW (0V) .
The table below shows the specification for the CCD.
Circuit
• Lamp
• CCD
Specification
R8S02E05e
Optical signal storage time (SH cycle) 1 1.6 msec./ line
Frequency 2 5 MHz
The number of effective picture elements 3 7926 picture elements
Reading
density
5
Reading width
(This is not the image width
which can be processed.)
4 336 mm
1.6 msec./ line
5 MHz
5000 picture elements
400dpi (15.7 dots)
318 mm
400dpi (15.7 dots)
1.6 msec./ line
5 MHz
5000 picture elements
300dpi (11.8 dots)
318 mm
600dpi (23.6 dots)