Oki MC770 Maintenance Manual

45584901TH Rev.1
4-8 /
Oki Data CONFIDENTIAL
(3) Placethepatchchartforadjustmentprintedinstep(2)facedownontheoriginalglass,with
itsside,onwhichtwoblacksquaresarepresent,alignedagainsttheoriginalscale.
(4) Keyinacodeandpressthe[START]button.
→
The scanner reads the chart automatically
and performs automatic gamma adjustment calculation (approx. 30 sec.).
600dpi
Code Paper type Remarks
8004-0 Plain paper Whenthereproductionofgradationisnot
appropriate,thegradationreproducibilityofallcolors
Y,M,CandKcanbecorrectedbyperformingthis
automatic gamma adjustment.
8004-2 Thick paper 5
8004-3 Thick paper 1
8004-4 Thick paper 2
8004-5 Thick paper 3
8004-6 Thick paper 4
8004-8 Special paper 4 to 6
8004-9 User type
8004-10 Plain (Thin)
8008 All paper types
* Ifthecode8008isperformed,theadjustmentwillbeappliedtoallpapertypes.
1200dpi
Code Paper type Remarks
8005-0 Plain paper Whenthereproductionofgradationisnot
appropriate,thegradationreproducibilityofallcolors
Y,M,CandKcanbecorrectedbyperformingthis
automatic gamma adjustment.
8005-2 Thick paper 5
8005-3 Thick paper 1
8005-4 Thick paper 2
8005-5 Thick paper 3
8005-6 Thick paper 4
8005-8 Special paper 4 to 6
8005-9 User type
8005-10 Plain (Thin)
8009 All paper types
* Ifthecode8009isperformed,theadjustmentwillbeappliedtoallpapertypes.
(5) Whentheadjustmenthasnishednormally,pressthe[OK]buttontohavetheadjustment
resultsreected.
 (Tocancelthereectionofadjustmentresults,pressthe[CANCEL]button.)
 Inthecaseofanabnormalending,“ADJUSTMENTERROR”isshown.Pressthe[CANCEL]
button to clear the error display.
 Whenitiscleared,thecontrolpaneldisplaywillreturntothereadystate.Then,checkifthe
patch chart on the original glass is placed in the wrong direction or if it is placed inclined on
theoriginalglass,andthenrepeatstep(3)andafterward.
To select the paper type forthe automatic gamma adjustment in user calibration, change the
codebelowto“1”.(copy/print)
Code Remarks
08-9059 0: No paper selecting buttons displayed
1: Paper selecting buttons displayed. (For both Copy and Printer)

Oki MC770 Specifications

General

Brand	Oki
Model	MC770
Category	All in One Printer
Language	English