Ricoh FW830 Service Manual page 108

SERVICE TOOLS
Mode No.
No. Leading Trailing
Margin Margin
Indicator Indicator
35 03
#
36 03
#
37 03
#
38 03
#
39 03
40 04
41 04
05 Toner Density Sensor Adjustment
Adjusts toner density sensor voltage.
Adjusts toner density sensor voltage to
+4.0 ± 0.1 volts using VR105 on the main
board.
This adjustment must be done only
when the new developer is installed.
After the adjustment is finished, press the
Copy Exit Way key.
06 Toner Density Sensor Voltage Display
Displays the latest toner density sensor
voltage.
To stop the display, press the Copy Exit
Way key.
07 ADS Reference Voltage Adjustment
Adjusts ADS voltage for the white plate.
Adjusts ADS voltage for the white plate to
+3.0 ± 0.1 volts using VR103 on the main
board.
After the adjustment is finished, press the
Copy Exit Way key.
08 ADS Voltage Display
Displays the latest Vod (ADS voltage for
the original), Vsd (ADS voltage for the
white plate) and Vod/Vsd.
Displays the latest Vod, Vsd and Vod/Vsd
in the following order.
1 = "A"
2 = Vod data (volts)
3 = "C"
4 = Vsd data (volts)
5 = "F"
6 = "Vod/Vsd data
To stop the display, press the Copy Exit
Way key.
09 Toner Density Sensor Voltage Upper
Limit
Selects the upper limit voltage for the toner
density sensor.
00 Not Used (Domestic market only)
01 Maximum Copy Quantity
Limits the maximum copy quantity that can
be entered.
Function
4-22
31 December 1992
Data
"A"= Toner
density sensor
voltage.
"A"= Toner
density sensor
voltage.
"A"= ADS voltage
for white plate.
"A" = Vod (volts)
"B" = Vsd (volts)
"F" = Vod/Vsd
0: 2.4 V (4.5 wt%)
1: 2.6 V (4.0 wt%)
2. 2.2 V (5.0 wt%)
0: Up to 10 copies
1: Up to 99 copies