Ricoh G147 Service Manual page 207

2213 Toner End Count
Selects the number of prints that can be printed once the machine has detected
the toner near-end condition.
[0 ~ 2 / 0 / 1 step]
0: 90 prints
1: No prints
2: 10 prints
Select 1 or 2 if the customer normally makes prints of high density.
Vref Manual Set
Adjusts the TD sensor reference voltage (Vref). Change this value after replacing
the development unit with another development unit that contains toner.
[1.00 ~ 5.00 V / 4.00V / 0.01 step]
(1) Check the value of SP2-220 in both the machine containing the test unit and
2220
the machine that you are going to move it to.
(2) Install the test development unit, and then input the VREF for this unit into
SP2-220.
(3) After the test, put back the old development unit, and change SP2-220 back to
the original value.
2223 Vt Display
Vt Prev Copy
001
Displays the TD sensor output voltage for the immediately previous print.
Vt Prev 10 Ave
002
Displays the average of the most recent TD sensor outputs (from the previous 10
prints).
Vt Change Rate
003
Displays the rate of change in the TD sensor output.
004 Vt Gain
SM
Vref Manual Setting
Vt = Output Voltage of the TD Sensor
Vt of Previous Copy
Vt of Previous 10 Copies (Averaged)
Vt Rate of Change
Vt Gain
5-17 G147