Process Control
SM 6-39 D014/D015/D078/D079
Detailed
Descriptions
Acronym Description
Vsg_reg
Vsg after checking the bare surface of the ITB by the direct reflection ID
sensor.
Vsp ID sensor output from the most recent ID sensor pattern.
Vt TD sensor output at the present time.
Vtcnt
Gain value calculated during TD sensor initialization. This is used to adjust
the Vt (TD sensor output). A large gain increases Vt, and a small gain
decreases it. The result of this calculation is also used to calibrate Vt during
TD sensor initialization.
Vtref
Target output of the TD sensor. The machine always tries to adjust the toner
WT% in the developer to bring Vt closer to Vtref.
*
1
Adjustment done for each color Y, M, C, K
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