Ricoh D072 Service Manual page 459

System Service Mode (Basic: D067/D072)
2908 Forced Toner Supp
Supplies the toner to the development unit. The processing stops under
either of the following conditions:
2908 1
The toner density in the development unit reaches the standard level.
The processing has continued for two 2 minutes.
2915* Polygon Idling
Specifies the polygon mirror motor idling time. The polygon mirror motor
starts its operation when an original is set, a key is pressed, or the platen
2915 1 cover or DF is opened. The motor stops if no manual operation is performed
for the specified time. When you set "0", the motor does not stop while the
copier is in the standby status.
Toner Supply Mode
2921*
[0 = Sensor 1 / 1 = Sensor 2 (DFU)]
2921 1 Selects the toner supply mode. Keep the default setting as long as the TD
sensor is working.
Toner Supply Time
2922*
Adjusts the toner supply time. The toner supply motor remains on for the
specified time. To validate this setting, select "0" in SP2-921-001. Specify a
2922 1
greater value if the user tends to make many copies having high proportions
of solid black image areas.
2926* Standard Vt
Adjusts Vts (the Vt value for new developer). The TD sensor output is
2926 1 adjusted to this value during the TD sensor initial setting process. This SP is
effective only when SP2-921001 is "0", "1", or "2".
D067/D068/D069/D072
[0 = None / 1 = 15 s / 2 = 25 s]
[0.1 to 5.0 / 0.6 / 0.1 s/step]
[0.00 to 5.00 / 2.50 / 0.01 V/step] DFU
5-150 SM Appendix