Ricoh V-C3 Technical Training Manual page 289

! Four drums
! Four LD units, with two laser diodes for each
colour
! One polygon mirror motor
" Two mirrors, each has six sides
! 600 dpi
" 1200 dpi is available in printing mode
! Image position correction is done by reading
sensor patterns on the ITB and adjusting speeds
and positions of some components.
" This is known as MUSIC (Mirror Unit for Skew and
Interval Correction).
Slide 289
# On the next slide, we can see the components of the laser optics unit.
Overview
289
V-C3 Training