Toner Supply Operation Flow - Ricoh B132 Service Manual

Toner Supply Operation Flow

Toner Supply Control Method:
GAVD Get Pixel Count
Calculate Image
dpi
Coverage
Supply Amount
(Pixel Ratio)
Result of Toner Amount Calculation
Toner Supply Time Conversion
(Sub Hopper Clutch ON Time)
SM
PID Control
Start Print Job
TD Sensor Reads
Get Vtref
Calculate Amount of
Toner
Supply Amount
(Vt Ratio)
Toner Supply
(Sub Hopper ClutchON)
6-89
PROCESS CONTROL
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
Correct
Light
Lower Vtref No Action
Dark
Raise Vtref
B132D921.WMF
B132/B200