Panasonic DP-8032 Service Manual page 229

5. Installing / Replacing Developer
F8-09 Toner Density Adjustment (TDC)
TDC Adjustment
7 min.
After F8-09 => F6-21: TDC Gain Voltage (0.1% / Step)
6. Installing / Replacing OPC Drum & Sensor Replacement
F8-14 Black Density Gain (Sensor Output)
Gain Adjustment
within 30 sec.
After F8-14 => F6-65: Black Density Reference (Voltage)
7. Service Parameters for Copy Image Compensation
Scanner
CCD
Image
Sensor
Density Control
7 Steps: Control Panel
Read Density
• F6-49
• F6-50
• F6-51
Cotrast
• F6-54
• F6-55
• F6-56
Auto Contrast
• F5-50
Ver. 1.2
+
QUANTUM Control
within 30 sec.
Automatically
F6-26: TDC Judgement Level
+
QUANTUM Control
within 30 sec.
Automatically
F6-66: Black Density Output (Quantum Compensation = 0)
Scanner Gamma
Text Mode Image Density
T/P Mode Image Density
Photo Mode Image Density
Text Mode Contrast
T/P Mode Contrast
Photo Mode Contrast
Auto Contrast Adjustment
Auto ON/OFF
Default: ON
Printer
Text, T/P Mode
QUANTUM Target
Gamma
Printer
Photo Mode
Printer Gamma
LSU PWM Adjustment
• F6-39 LSU Unit PWM Adjust 2
3 dots PWM adjustment value of LSU
(In case of LSU replacement)
Print LSU PWM pattern
• Perform F8-18 and print out the Halftone Patch Pattern
(3 dots PWM)
• Check the slightly visible level of the halftone and
input the position value to F6-39 LSU Unit PWM Adjust 2.
QUANTUM
• F5-25 Digital QUANTUM (QUANTUM On/Off)
229
MED Laser
Error Duty
Diffusion Control
3 Dots
PWM
Control
• F8-18 LSU PWM Pattern 2
DP-8032/8025
LSU
2008