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8-182
8-182
Service Mode > COPIER > OPTION > IMG-DEV
Service Mode > COPIER > OPTION > IMG-DEV
COPIER > OPTION > IMG-DEV
DELV-THM
Setting of image ratio for M-toner ejctn
Lv.2 Details
To set the threshold value for average image ratio where M-toner
ejection is executed.
As the value is incremented by 1, the ratio changes by 1%.
When fogging occurs while making a large number of outputs of low
duty images, increase the value if 0/1 is set in user mode.
If the user does not want too many waste toner when low duty image
is output, decrease the value.
Adj/set/operate method 1) Enter the setting value, and then press OK key.
2) Turn OFF/ON the main power switch.
Display/adj/set range
0 to 10
0: 0%, 1: 1%, 2: 2%, 3 to 10: Not used
Default value
2
DELV-THK
Setting of image ratio for Bk-tonr ejctn
Lv.2 Details
To set the threshold value for average image ratio where Bk-toner
ejection is executed.
As the value is incremented by 1, the ratio changes by 1%.
When fogging occurs while making a large number of outputs of low
duty images, increase the value if 0/1 is set in user mode.
If the user does not want too many waste toner when low duty image
is output, decrease the value.
Adj/set/operate method 1) Enter the setting value, and then press OK key.
2) Turn OFF/ON the main power switch.
Display/adj/set range
0 to 10
0: 0%, 1: 1%, 2: 2%, 3 to 10: Not used
Default value
2
ADJ-VPP
Adj of developing AC bias Vpp
Lv.2 Details
To adjust Vpp of the developing AC bias.
Ring marks are alleviated when the value is decreased in the -
direction, and white spots are alleviated when the value is increased in
the + direction.
Use case
When image failures (ring marks, white spots) occur
Adj/set/operate method 1) Enter the setting value (switch negative/positive by -/+ key) and
press OK key.
2) Turn OFF/ON the main power switch.
3) Execute full adjustment of auto gradation adjustment.
Caution
When the value is decreased too much in the - direction, density might
be lowered.
Display/adj/set range
-4 to 0
Default value
0
COPIER > OPTION > IMG-DEV
PAP-W-EN
Solid image uneven dens prevention mode
Lv.1 Details
If the developer is supplied unevenly to the Developing Cylinder,
uneven density occurs on the solid image. In order to make the
developer even, time for the Toner Feed Screw to rotate is secured by
widening the interval between images.
As the value is larger, the interval between images (interval between
sheets) becomes wider.
Increase the value when the density is uneven, e.g. when the left edge
of a solid image is dark.
Use case
When uneven density occurs on a solid image
Adj/set/operate method 1) Enter the setting value, and then press OK key.
2) Turn OFF/ON the main power switch.
Display/adj/set range
0 to 10
Default value
0
PTN-LVL
[Not used]
DMX-OF-Y
Adjustment of Y-color D-max setting
Lv.2 Details
To adjust D-max control setting in the case where density of solid
area on Y-color image is not appropriate even when auto gradation
adjustment is executed.
Increase the value when the density is low and decrease the value
when the density is high.
Use case
When density of solid area on an image is not appropriate even
performing auto gradation adjustment
Adj/set/operate method 1) Enter the setting value (switch negative/positive by -/+ key) and
press OK key.
2) Turn OFF/ON the main power switch.
3) Execute auto gradation adjustment.
Caution
Be sure to execute auto gradation adjustment (full adjustment) after
the setting is done.
Display/adj/set range
-3 to 3
Default value
0
DMX-OF-M
Adjustment of M-color D-max setting
Lv.2 Details
To adjust D-max control setting in the case where density of solid
area on M-color image is not appropriate even when auto gradation
adjustment is executed.
Increase the value when the density is low and decrease the value
when the density is high.
Use case
When density of solid area on an image is not appropriate even
performing auto gradation adjustment
Adj/set/operate method 1) Enter the setting value (switch negative/positive by -/+ key) and
press OK key.
2) Turn OFF/ON the main power switch.
3) Execute auto gradation adjustment.
Caution
Be sure to execute auto gradation adjustment (full adjustment) after
the setting is done.
Display/adj/set range
-3 to 3
Default value
0