Prt Highlight; Background Voltage Margin - Konica Minolta bizhub C350 Service Manual

TECH. REP. MODE
4.6.2

PRT Highlight

Functions • To adjust the highlight portion (fog level) to the target reproduction level by making an
auxiliary manual fine-adjustment of γ of each color after Gradation Adjust.
Use • An image quality problem is not corrected even after Gradation Adjust has been run.
Adjustment
Range
Adjustment To make the Highlight portion darker, increase the setting value.
Instructions To make the Highlight portion lighter, decrease the setting value.
Adjustment 1. Call the Tech. Rep. Mode to the screen.
2. Touch these keys in this order: "Image Adjust" → "PRT Highlight."
Procedure
3. Select the color to be adjusted.
4. Enter the new setting from the 10-Key Pad.
5. Touch "END" to return to the "Image Adjust" menu screen.
6. Touch "Stabilizer."
7. Touch "Stabilizer Mode."
8. Press the Start key to validate the adjustment value.
9. Check the copy image for any image problem.
If the setting value has been changed, be sure to run an image stabilization
sequence to make valid the new value.
4.6.3

Background Voltage Margin

Functions • To adjust the highlight portion (fog level) to the target reproduction level by making an
auxiliary manual fine-adjustment of γ of each color after Gradation Adjust.
Use • Use when a foggy background occurs due to a printer problem
Adjustment
Range
Adjustment To make the background level foggier, increase the setting value.
Instructions To make the background level less foggy, decrease the setting value.
Adjustment 1. Call the Tech. Rep. Mode to the screen.
2. Touch these keys in this order: "Image Adjust" → "Background Voltage Margin."
Procedure
3. Select the color to be adjusted.
4. Enter the new setting from the 10-Key Pad.
5. Touch "END" to return to the "Image Adjust" menu screen.
6. Touch "Stabilizer."
7. Touch "Stabilizer Mode."
8. Press the Start key to validate the adjustment value.
9. Check the copy image for any image problem.
If the setting value has been changed, be sure to run an image stabilization
sequence to make valid the new value.
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bizhub C350 Field Service Ver2.0 Sep. 2004
0 (-10 to +10)
0 (-5 to +5)