Image Writing; Led Heads - Ricoh Aficio 480W Dolphin-C2 Service Manual

28 April 2005

6.5 IMAGE WRITING

6.5.1 LED HEADS

This machine uses LED heads [A] that
shine light directly onto the OPC to form a
latent image with 32 levels of gradation.
The A0-size 600-dpi print head is an array
of connected self-focusing lenses [A]
above an LED array [B] and drive board
[C], and mounted in a heat sink [D].
NOTE: The maximum operational width
of the print head is 930 mm
(36.6").
The unit is called the LPH (LED Print
Head).
[A]
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IMAGE WRITING
B188D927.WMFF
[A]
[B]
[C]
[D]
B188D928.WMFF