Main Service Program Mode Tables
SM 5-23 B234/B235/B236/D101/D102/D103
Service
Tables
2220 Vref Manual Setting
Adjusts the TD sensor reference voltage (Vref) manually.
[0~5.0 / 2.5 / 0.01 V]
Change this value after replacing the development unit with another one that already
contains toner. To use a development unit from another machine for test purposes:
1) Check the value of SP2220 and SP2906 in both the machine containing the test unit
and the machine that you are going to move it to.
2) Install the test development unit, then input the VREF for this unit into SP2220 and
the Vcont for this unit into SP2906.
3) After the test, put back the old development unit, and change SP2220 and SP2906
back to the original value.
2223 Vt Display
Displays the current TD sensor output voltage.
[0~5.0 / 2.5 / 0.01 V]
2226 Toner Bank Toner Discharge
This SP removes toner from the toner bank and sends it to the toner hopper. After
turning the toner supply motor and the toner bank motor on, the toner supply coil clutch
turns on and off at 2 second intervals. The motors and clutch stop when the toner near-
end sensor (in the toner bank unit) detects no toner. Even if the sensor continues to
detect toner, this operation stops when the clutch has been turned on and off 10 times,
so this SP may have to be repeated to clean out the system completely.
2227 Toner Supply Mode Display
Displays the toner supply mode used for the last copy.
1: ID Sensor and TD Sensor (from the 11th copy, using VT – VREF)
2: ID Sensor and TD Sensor (using VSP/VSG) – before the 10th copy of a job
3: TD Sensor – temporary mode when ID sensor output is abnormal
4: Image Pixel Count
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