Ricoh D072 Service Manual page 460

ID Sensor Control
2927*
Determines whether the ID sensor signal is referenced or not for the toner
2927 1
density control. Keep the default value in usual operations.
Toner End Clear
2928
Clears the following messages and counters without supplying the toner:
Toner near end message
Toner end message
Toner near end counter
2928 1
Toner end counter
Do not use this SP in usual operations. When the toner in the development
unit is abnormally insufficient, the drum may attract the toner carrier to its
surface. The toner carrier damages the drum surface..
2929* Vref Limits
2929 1 Upper
2929 2 Lower
ID Detect Temp
2994*
Adjusts the temperature threshold. The ID sensor signal is not referenced
2994 1 when the fusing temperature is at the specified level or higher while the
copier is recovering or starting up.
SM Appendix
System Service Mode (Basic: D067/D072)
[0 = No / 1 = Yes]
Adjust the upper or lower Vref limit.
[0.50 to 3.50 / 3.20 / 0.01V/step] DFU
[0.50 to 3.50 / 0.70 / 0.01V/step] DFU
[30 to 90 / 30 / 1 °C/step]
5-151 D067/D068/D069/D072