Ricoh OR-C1 Field Service Manual page 510

4. Appendix: Service Program Mode Tables
ID Sensor Control
Selects whether the ID sensor is used or not for toner density control.
2927*
[0 = No / 1 = Yes]
If this value is "0", dirty background may occur after the machine has not been used for
a long time.
Toner End Clear
Clears the toner end condition. Press Execute on the touch panel to clear the toner end
condition without adding new toner.
4
When you press Execute, the following are cleared:
2928
When making a lot of copies after changing this setting to "1", the carrier may be
attracted to the drum when the toner runs out, which may damage the drum.
2929* Vref Adjustment
Upper Limit
1
Adjusts the upper limit for Vref. [0.5 to 3.5 / 3.10 / 0.05 V/step]
Lower Limit
2
Adjusts the lower limit for Vref. [0.5 to 3.5 / 1.40 / 0.05 V/step]
TD Sensor Manual Setting
2930*
Adjusts the TD sensor output.
[0 to 5 / 0.0V / 0.05V/step]
TD (V/wt%) Setting
2931*
Adjusts the TD sensor sensitivity (coefficient: S) for toner density control.
[0.01 to 1.50 / 0.4 / 0.01/step]
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• Toner end indicator (goes out)
• Toner near-end counter
• Toner near-end level