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Toner supply roller drive (TSMO)
This signal controls the engagement/release of the clutch which drives the toner
supply roller.
Toner density insufficient (TDSD)
This is a density digital output signal from the toner density signal, indicating that the
toner density has dropped below the level set.
Density analog output (TDSI)
This is a density analog output signal from the toner density sensor.
Density control voltage (TDSC)
This is the density standard determining signal to the toner density sensor.
No toner detected (TESI)
This signal indicates that the toner level in the toner hopper has dropped below the
level of the piezoelectric vibrator element, which is the toner empty sensor.
Developing bias voltage (DB)
This is the developing bias voltage applied to the developing roller.
Drive power supply + (VDD)
This is the positive side of the actuator drive power supply.
Drive power supply – (GND)
This is the negative side of the actuator drive power supply.
Frame ground (FG)
This is the frame ground signal.
Electrical and Wire Data
6–25
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