Ricoh V-C3 Technical Training Manual page 312

! After you replace the laser unit:
" Input the SP data (see the next slide).
" Check for color registration errors. If there are
color registration errors after you install a new
laser unit, then do the color correction tests and
adjustments.
" Do the skew adjustment if skew occurs after you
install a new laser unit.
Slide 312
# After you replace a laser unit, the machine does the MUSIC process. This should
remove color registration errors. The color correction adjustment is required very
rarely.
Adjustment
V-C3 field service manual, Removal and Adjustment, Laser
312
V-C3 Training
Unit, Laser Unit