Confidential
3-4
(5) Control System
The control system consists of the following 4 (four) control parts and runs the machine by
processing the interface signals transmitted from the host computer and interfacing to the
print, transfer, scanning and transport systems.
• Sequence Control
• Laser Control
• Fusing Temperature Control
• Interface Control
<Basic Mechanism of Color Printing>
(1) Principle of Color Printing
Color printing is made through the subtractive process by combining the three primary
colors, yellow, magenta, and cyan. Fig.3-3 shows the three primary colors and subtractive
process:
C
B
K
G
M
R
Y
Y: Yellow
M: Magenta
C: Cyan
R: Red
G: Green
B: Blue
K: Black
Fig. 3-3
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