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1 October, 1999
2.4.6 TONER DENSITY CONTROL
Overview
There are four modes for controlling toner supply as shown in the following tables.
The mode can be changed with by the printer service mode (Service Menu 2:
Toner supply). The factory setting is P+T control mode.
Basically, toner density is controlled using the standard TD sensor voltage (Vts),
toner supply reference voltage (Vref), actual TD sensor output voltage (Vt), and ID
sensor output data (Vsp/Vsg).
Cross-reference: Section 4.2 Service Program Mode
Toner Supply Clutch On Time
Calculation
TD Sensor Output
(Vt)
Vt Reference
Voltage (Vref)
New Vref
Vt Reference
Voltage Update
Vref Update
ID Sensor Output
(Vsp/Vsg)
TD Sensor Initial
Setting (Vts)
2-17
DEVELOPMENT
G038D517.WMF
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