Panasonic Workio DP-3030, Service Manual

Page: 238 / 486

238
DP-2330/3030
MAR 2005
Ver.2.1
DP-2310/3010
5. Installing / Replacing Developer
6. Installing / Replacing OPC Drum & Sensor Replacement
7. Service Parameters for Copy Image Compensation
After F8-09 => F6-21: TDC Gain Voltage (0.1% / Step)
F6-26: TDC Judgement Level
+
TDC Adjustment
QUANTUM Control
F8-09 Toner Density Adjustment (TDC)
7 min. 1 min.
Automatically
After F8-14 => F6-65: Black Density Reference (Voltage)
F6-66: Black Density Output (Quantum Compensation = 0)
+
Gain Adjustment QUANTUM Control
F8-14 Black Density Gain (Sensor Output)
1 min. 1 min.
Automatically
Density Control
7 Steps: Control Panel
Read Density
• F6-49 Text Mode Image Density
• F6-50 T/P Mode Image Density
• F6-51 Photo Mode Image Density
Cotrast
Auto Contrast
Scanner
Scanner Gamma
Printer Gamma
Printer
Printer
Text, T/P Mode
Photo Mode
QUANTUM Target
Gamma
LSU PWM Adjustment
• F6-39 LSU Unit PWM Adjust 2
3 dots PWM adjustment value of LSU
(In case of LSU replacement)
QUANTUM
• F5-25 Digital QUANTUM (QUANTUM On/Off)
CCD
Image
Sensor
• 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.
Print LSU PWM pattern
• F8-18 LSU PWM Pattern 2
3 Dots
PWM
Control
MED
Error
Diffusion
Laser
Duty
Control
LSU
• F6-54 Text Mode Contrast
• F6-55 T/P Mode Contrast
• F6-56 Photo Mode Contrast
• F5-50 Auto Contrast Adjustment
Auto ON/OFF
Default: ON