Ricoh G092 Service Manual page 171

! The charge rollers [B], one for each color development, apply
Drum charge
a negative charge to the OPC drums [C]. There are four
drums, one for each toner color.
" Laser optics The polygon mirror [A] and other mirrors reflect the laser
beams. There are four beams, one for each toner color.
#
Laser exposure The laser beams create (write) the image to be developed
and toner (latent image) on the OPC drums. Then, toner is transferred
transfer to areas that were exposed to the laser beam.
$
Belt transfer A transfer belt [D] rotates past the drums, and the toner on the
drum is transferred to this belt in the order Y, M, C, K. All four
colors transfer to the belt in one belt rotation.
% After all colors have transferred to the belt, a sheet of paper is
Paper feed
fed up from below the transfer belt to the transfer roller [I].
& Paper transfer The transfer applies a positive bias to the "back" of the paper
which transfers the toner to the paper.
'
Fusing The paper advances to the fusing unit [J], where heat and
pressure permanently bond the toner to the paper.
( The paper is then fed out of the machine.
Paper exit
SM 6-9
PRINT PROCESS
G081/G092