LASER EXPOSURE
SM 6-27 G104
Detailed
Descriptions
6.4.2 OPTICAL PATH
The laser beams for cyan [B] and magenta [D] are sent to the upper part of the
polygon mirror [C]. The laser beams for yellow [A] and black [E] are sent to the
lower part of the polygon mirror. The LD mirrors (see the previous page) reflect the
laser beams for yellow and black to the lower polygon mirror.
The mirror [F] corrects the main scan line. Without this mirror, the line bends at the
middle of the main scan. The central bend of the mirror is adjusted in the factory.
The speed of the polygon mirror is controlled by the selected mode (see below).
Mode
Resolution
(dpi)
Polygon motor
speed (rpm)
Process line
speed (mm/s)
Print speed
(ppm)
600 x 600
1,200 x 600
36614 155 25
B/W
(except OHP/Thick
paper)
1,200 x 1,200 36614 77.5 12.5
600 x 600
1,200 x 600
36614 155 25
Color
(except OHP/Thick
paper)
1,200 x 1,200 36614 77.5 12.5
OHP/Thick
600 x 600
1,200 x 600
1,200 x 1,200
36614 77.5 12.5
G105D132.WMF
[A]
[B]
[C]
[D]
[E]
[F]
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