Oki MC770 Maintenance Manual

45584901TH Rev.1
4-12 /
Oki Data CONFIDENTIAL
Twin color print
Color specified for
twin color print
Item to be adjusted
Remarks
Black Yellow Magenta Cyan
Black 8023-0 - - - Thelargerthevalueis,thedarker
the color to be adjusted becomes.
Acceptable values: 0 to 255
(Default: 128)
8023-1 - - -
8023-2 - - -
Cyan - 8024-0 8025-0 8026-0
- 8024-1 8025-1 8026-1
- 8024-2 8025-2 8026-2
Magenta - 8027-0 8028-0 8029-0
- 8027-1 8028-1 8029-1
- 8027-2 8028-2 8029-2
Yellow - 8030-0 8031-0 8032-0
- 8030-1 8031-1 8032-1
- 8030-2 8031-2 8032-2
Red - 8033-0 8034-0 8035-0
- 8033-1 8034-1 8035-1
- 8033-2 8034-2 8035-2
Green - 8036-0 8037-0 8038-0
- 8036-1 8037-1 8038-1
- 8036-2 8037-2 8038-2
Blue - 8039-0 8040-0 8041-0
- 8039-1 8040-1 8041-1
- 8039-2 8040-2 8041-2
Notes:
• Besurethatthisadjustmentbemadeafterperforming

P.4-7“4.3.1Automaticgamma
adjustment”.
• Changingtheadjustmentsettinginuencestheadjacentdensityareaslightly.
 E.g.:Whenthevalueofthemediumdensityislarger,theadjacentareasinthelowdensity
and high density range will become slightly darker.
<Procedure>
The procedure is the same as that of

P.4-9“4.3.2Gammabalanceadjustment(Black
Mode)”.
<Rangeofthedensityarea(lowdensity,mediumdensity,highdensity)>
Thecolorfromthe1sttothe14thstage(lowdensity),fromthe15thtothe22thstage(medium
density),fromthe23thtothe26thstage(highdensity)in“Patchchartforgammaadjustment([71]
[FAX])”outputin

P.4-7“4.3.1Automaticgammaadjustment”canbeusedasaguideforthe
rangeofthedensityareainuencedbytheadjustmentwiththeprinterdriverandthechangeof
theadjustmentvalue(lowdensity,mediumdensity,andhighdensity(Referto

P.4-10“Fig.4-2“).

Oki MC770 Specifications

General

Brand	Oki
Model	MC770
Category	All in One Printer
Language	English