Optical Path - Ricoh B202 Service Manual

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6.6.2 OPTICAL PATH

The laser beams for cyan [C] and yellow [A] are directed to the upper part of the

polygon mirror [B]. Laser beams for magenta [E] and black [D] are directed to the

lower part of the polygon mirror. The LD mirrors (see the previous page) deflect the

laser beams for magenta and black towards the lower polygon mirror.

The WTL [F] corrects the main scan line. Without this component, the line bends

out towards the middle of the main scan. The central bend of the WTL is adjusted

in the factory.

The speed of the polygon mirror depends on the selected mode and model (see

1,200 x 1,200

1,200 x 1,200

1,200 x 1,200

Polygon motor

Process line

speed (mm/s)

LASER EXPOSURE

B178D530.WMF

B202/B178/B180

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