Minolta CF2002, Service Manual

Page: 160 / 298

FrameMaker Ver5.5E(PC) CF3102/CF2002 SWITCHES ON PWBs/TECH. REP. SETTINGS
02.06.05
S-27
Image Adjust
Item Purpose Setting/Precautions
PRT Max
Density
To adjust gradation, color, and
image density to target repro-
duction levels by varying the
maximum amount of toner
sticking to paper through auxil-
iary manual fine-adjustment of
? of each color after Gradation
Adjust.
If Gradation Adjust does not
allow the target reproduction
level to be achieved.
If the setting value has been changed, be
sure to run an image stabilization
sequence to make valid the new value.
PRT Highlight
To adjust the highlight portion
(fog level) to the target repro-
duction level by making an
auxiliary manual fine-adjust-
ment of ? of each color after
Gradation Adjust.
If Gradation Adjust does not
allow the target reproduction
level to be achieved.
If the setting value has been changed, be
sure to run an image stabilization
sequence to make valid the new value.
Background
Voltage
Margin
To make an auxiliary adjust-
ment of the background volt-
age margin setting value after
Gradation Adjust.
When a foggy background
occurs.
If the setting value has been changed, be
sure to run an image stabilization
sequence to make valid the new value.
ATDC Level
Setting
To adjust the T/C control level
when an abnormal image den-
sity occurs as a result of a
change in the amount of
charge of toner and carrier due
to an environmental change.
Use appropriately according
to the operating environment
of the user.
The central value of 0 corresponds to 5%
of T/C (in 0.5% increments).
AE Adjust
To adjust subtle shades of the
highlight portion according to
the user's need by varying the
background level in a direction
of less foggy or foggier setting
in the Auto Exposure mode.
When a fog occurs, or no
image is produced, in the
background in the Auto
Exposure mode.
• Variable range: 0 to 4
• Less foggy setting: 0, 1
• Foggier setting: 3, 4