Ricoh D131 Service Manual page 631

SP3000 Processing
3103 ID Sensor Output Display
1 Vsg
Displays the current value of the ID sensor output after checking the bare drum
surface.
[0 to 5/0/0.01 V]
2 Vsp
Displays the current value of the ID sensor output after checking the ID sensor
pattern image.
[0 to 5/0/0.01 V]
3 Vpdp
Displays the current value of the ID sensor output immediately after Vsp is
output when the charge potential drops. This reading is used to test and
determine characteristics for design.
[0 to 5/0/0.01 V]
If the ID sensor output is abnormal, an SC is logged:
SC378-00 logged: Vsp/Vsg/Vsdp = 0.00/0.00/0.00, or 5.00/5.00/5.00
3901 Auto Process Control On/Off Setting
Determines whether the machine checks and corrects the drum potential (Vd)
and LD power when the fusing temperature is lower than 100°C at power-on.
[0 to 1/1/1]
0: Off
1: On
This setting attempts to change the Vd setting consistent with the OPC, the
charge corona unit, and environment to improve the reliability of the system.
D131/D132/D133 3-56 SM Appendix