Ricoh C249 Service Manual page 278

MASTER FEED
NOTE: Please refer to the following table for the standard voltages.
If the voltage cannot be adjusted to the standard value, do not change the
threshold level using SP6-50.
When set a new roll
(master present)
Above 3.0V
C264
Standard value
Master end (4 layers of master
on the core)
Below 2.0V
3-22
End mark only
Below 0.8V
SM