Panasonic DP-8032 Service Manual page 228

3. Control Method
Text, T/P Mode Control
QUANTUM adjusts
the pulse width (On/Off
timing) of the Laser to
maintain constant copy
quality.
Print Image Edge Control
Check Pattern
QUANTUM II
Laser Pulse Duty Control
at the edge of the print image.
Print Data Input
Printed Data Output
4. QUANTUM Adjustment
Compensation Values after DP-8032 / 8025 Adjustment
F5-25 QUANTUM ON
F6-80: QUANTUM Photo Mode Read
F6-81: QUANTUM Halftone Read (Laser Duty of Checkered Pattern)
F6-82: QUANTUM Black Read (Laser Duty of Black Pattern)
F5-25 QUANTUM OFF
F6-95: Manual Photo Adjustment (1-5)*1
F6-96: Manual Halftone Adjustment (Laser Duty of Checkered Pattern) (127-255)*2
F6-97: Manual Black Adjustment (Laser Duty of Black Pattern) (127-255)*2
*1: Select Photo Mode : Gamma Table Number
*2: Laser Pulse Width Duty from 50% (127) to 100% (255)
Reference for DP-8060 / 8045 / 8035
F5-25 QUANTUM ON
F6-80: QUANTUM Exposure Voltage
F6-81: QUANTUM Bias DC Voltage
F6-82: QUANTUM Charge Voltage
Ver.1.2
Control Point
High Density
(Black Patch)
Ideal
Low Density
(Check Patch)
0
Print Density Data
Toner
ON
Toner
Photo Mode Control
Table5
Curve
255
0
Print Density Data
Black Density
Pattern
Detects the edge of the image and
controls the laser pulse width
(On/Off timing).
Laser
Black Density: Laser
Pulse Width Duty Control
Laser
Black Density: Grid Voltage (HVPS)
and Laser Power Control
228
DP-8032/8025
Table4
Table3
Table2
Table1
In Photo Mode, QUANTUM
selects the optimum photo
mode table.
255
2008