Oki MB760dnfax Service Manual

45641001TH Rev.1
4-7 /
Oki Data CONFIDENTIAL
4.2.4 Backgroundadjustment
Thedensityofthebackgroundcanbeadjustedasfollows.
<AdjustmentMode(05)>
Color
mode
Original mode
Remarks
Text/
Photo
Tex t Photo
Custom
Mode
Black 7100 7101 7102 7106 Thelargerthevalueis,thedarkerthebackground
becomes.
Acceptablevalues:0to255(Default:128)
Makeatestcopyandcomparetheimageobtainedwiththecurrentsettings;ifnecessary,make
adjustmentusingthefollowingprocedure.
<Procedure>
Theprocedureisthesameasthatof&P.4-5“4.2.2Densityadjustment”.
4.2.5 Judgment threshold for ACS (common for copy and scan)
Judgmentlevelsforautomaticallyidentifyingwhetheranoriginaliscolororblackareadjusted.
Thisadjustmentisforjudgmentlevelswhen“AutoColor”isselectedasacolormode.Thesame
adjustmentvalueissimultaneouslyappliedtoallcasesoforiginalsontheoriginalglassfor
copierfunctionsandnetworkscanningfunctions,andthoseplacedontheRADF.
<AdjustmentMode(05)>
Code Itemtobeadjusted Contents
7630 Judgment threshold for
ACS
Thelargerthevalueis,themoreanoriginaltendstobe
judgedasblack.Thesmallervalueis,themoreittendsto
bejudgedascolor.
Acceptable values: 0 to 255 (Default: 70)
Make a test copy and compare the image obtained with the current settings; if necessary and
makeadjustment.
<Procedure>
(1) Whilepressing[0]and[5]simultaneously,turnthepowerON.
(2) Keyinacodeandpressthe[START]button.
(3) Keyinasub-codeandpressthe[START]button.
(4) Keyinanadjustmentvalue.
 (Tocorrectavalueoncekeyedin,pressthe[CLEAR]button.)
(5) Pressthe[OK]or[INTERRUPT]buttontostorethevalue.
→
Theequipmentgoesbackto
the ready state.
(6) TurnthepowerOFFandbackONinthenormalmode,andthenmakeacopy.
(7) Ifthedesiredimagequalityhasnotbeenattained,repeatstep(1)to(6).

Oki MB760dnfax Specifications

General

Brand	Oki
Model	MB760dnfax
Category	All in One Printer
Language	English