Black Image Density Correction; Stabilizer - Konica Minolta Bizhub C350 Service Manual

bizhub C350 Field Service Ver. 2.0 April 2004
3.17.4

Black Image Density Correction

Functions • To fine-adjust the density of the printed image for a black copy
Use • To vary the density of the printed image of a black copy
Adjustment Range Lighter (2 steps), Std, Darker (2 steps)
Adjustment If the black is light, touch the Darker key.
Instructions If the black is dark, touch the Lighter key.
1. Touch Expert User Mode → Black Image Density Correction.
Adjustment
Procedure 2. Touch the Lighter or Darker key as necessary to correct the image density.
3.17.5

Stabilizer

A. Stabilize
Functions • The image stabilization sequence is carried out without clearing the historical
data of image stabilization control.
Use • Use if an image problem persists even after Gradation Adjustment has been
executed.
• When PRT Max Density, PRT Highlight, and Background Voltage Margin of
Tech. Rep. mode are changed.
1. Touch Expert User Mode → Stabilizer.
Adjustment
Procedure 2. Touch Stabilize.
3. Press the Start key to start Stabilizer.
The Start key turns orange and stays lit up orange during the Stabilizer
sequence.
4. Stabilizer is completed when the Start key turns green.
B. Reset and Stabilize
Functions • The image stabilization control historical data is cleared and an image stabiliza-
tion sequence is carried out.
• Cleared data:
PRT Max Density, PRT Highlight, Background Voltage Margin and Gradation
Adjustment.
Use • Use if an image problem persists even after Gradation Adjustment has been
executed.
• Use if tone reproduction and maximum density are faulty even after Stabilizer
has been executed.
1. Touch Expert User Mode → Stabilizer.
Adjustment
Procedure 2. Touch Reset and Stabilize.
3. Press the Start key to start Stabilizer.
The Start key turns orange and stays lit up orange during the Stabilizer
sequence.
4. Stabilizer is completed when the Start key turns green.
3-31
Utility Mode