Ricoh V-C3 Technical Training Manual page 349

! Do the SP modes exactly as explained in the manual.
! If you replace the developer, initialize the TD sensor only
for that colour which you replaced.
" Use SP 3801 to initialize the sensor.
» SP 3811 also initializes the TD sensor, but it does other things
! SP 3801 and SP 3811 both initialize the TD sensor. If the TD
sensor is initialized twice for the same batch of developer,
a fatal error will occur with toner supply control.
" Also, if you initialize a TD sensor more than once, this will
cause toner scattering.
! After replacing any component of the PCU, you must do SP
2111 (forced MUSIC adjustment).
" See the service manual for the correct procedure for each
component.
Slide 349
# SP 3811 sends toner to the sub hopper of the PCU, covers the drum with a layer
of toner (to prevent the cleaning blades from flipping, or damaging the drums),
initializes the TD sensor, and does process control. It takes about 4.5 minutes.
SP Modes
also.
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V-C3 Training