229
DP-8032/8025
2008
Ver. 1.2
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.
within 30 sec.
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)
within 30 sec.
within 30 sec.
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
Summary of Contents for DP-8025
Page 2: ...2 ...
Page 3: ...3 ...
Page 5: ...5 Hinweis Beispiel ...
Page 9: ...9 ...
Page 10: ...10 ...
Page 11: ...11 ...
Page 12: ...12 memo ...
Page 397: ...Published in Japan ...