Change the SP setting to [Fixed]. LD strength is fixed with SP2-221-001 to 004.
• To control LD Power by Process Control (Default)
• The LD power is determined by process control.
• The LD strength is adjusted based on a table which is determined by the Development Bias
Control and Vref Correction.
Toner Supply Control
The Toner Supply Type can be selected with SP3-400-001 to 004 (Toner Supply Type: Select).
• Fixed Amount Supply
• Fixed
• PID
• DANK (Vref Fixed)
• DANK (Vref Correction) (Default)
• Supply Time
The toner supply time is calculated based on the supply rate of SP3-401-001 to 004(DrvTime:
Setting).
• Toner Supply PID
PID (Proportion Integral Differential)
The amount of toner supply is calculated based on the pixel information and TD sensor information.
• MBD(ANC) Control
ANC (Active Noise Control)
The supply timing is controlled in order that the developer density in the development unit would be
minimized, adding ANC control to the original PID Control.
Developer Initial Setting
When a new PCDU is set in the machine, the machine automatically detects it and enters the developer
initial setting mode. The machine then detects the count which is an output from the TD sensor. The
developer initial setting is done as follows.
1. Starting the developer initial setting mode
The new unit detection mechanism triggers the developer initial setting mode.
2. Agitating the developer
The machine rotates the development roller and transport coil to agitate the developer for 30
seconds.
7. Detailed Descriptions
1226
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