Toner Supply Operation Flow - Toshiba e-STUDIO4500c Service Manual

August 2006 PROCESS CONTROL

Toner Supply Operation Flow

Page Interval Process Control
(SP3042 001 Vtref Calibration Mode ON)
Create ID Sensor Patterns
Read ID Sensor Patterns
Determine Amount of Toner
Compare Reading with Threshold Range for
Toner Adjustment Between Pages
Toner Supply Control Method: Correct
Light Dark
PID Control
Lower Vtref No Action Raise Vtref
Start Print Job
GAVD Get Pixel Count TD Sensor Reads
Calculate Image
dpi Get Vtref
Coverage
Calculate Amount of
Toner
Supply Amount Supply Amount
(Pixel Ratio) (Vt Ratio)
Result of Toner Amount Calculation
Toner Supply Time Conversion
(Sub Hopper Clutch ON Time)
Toner Supply
(Sub Hopper ClutchON)
B132D921.WMF
6-89