EasyManuals Logo

Oki MB760dnfax Service Manual

Oki MB760dnfax
390 pages
To Next Page IconTo Next Page
To Next Page IconTo Next Page
To Previous Page IconTo Previous Page
To Previous Page IconTo Previous Page
Page #63 background imageLoading...
Page #63 background image
45641001TH Rev.1
4-4 /
Oki Data CONFIDENTIAL
4.2 Image Quality Adjustment (Copying Function)
4.2.1 Automaticgammaadjustment
Whenthereproductionofgradationisnotappropriate,thegradationreproducibilitycanbe
correctedbyperformingthisautomaticgammaadjustment.Incasethegradationreproduction
oftheimagecheckedisnotsatisfactory,makethisadjustmentasdescribedbelowatparts
replacement.
Whenunpackingoranyofthefollowingpartshasbeenreplaced,besuretomakethisadjustment:
•Drumunit
•Transferbeltunit
•SRAMboard(SYSboard)
•PUboard
•HDD
Notes:
Besurethatthisadjustmentbemadeafterperformingtheimageadjustmentin
P.4-2“4.1.2
ImageDimensionalAdjustment”.
<Procedure>
(1) Whilepressing[0]and[5]simultaneously,turnthepowerON.
AdjustmentMode
(2) SelecttheA4/LTdrawer.Keyinthepatternnumberandpressthe[FAX]buttontooutputa“Patch
chartforgammaadjustment”.
<AdjustmentMode(05)>
Pattern No. Pattern No. Remark Paper type
10 Black Whenperformingcode05-7165 All paper types
(3) Placethepatchchartforadjustmentprintedinstep(2)facedownontheoriginalglass.
Placethechartaligningitssidewithablacksquare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.).
<AdjustmentMode(05)>
Code Itemtobeadjusted Contents
7165 Automatic gamma
adjustment
Whenthereproductionofgradationisnotappropriate,the
gradation reproducibility can be corrected by performing
thisautomaticgammaadjustment.Theresultof7165is
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.

Table of Contents

Other manuals for Oki MB760dnfax

Questions and Answers:

Question and Answer IconNeed help?

Do you have a question about the Oki MB760dnfax and is the answer not in the manual?

Oki MB760dnfax Specifications

General IconGeneral
BrandOki
ModelMB760dnfax
CategoryAll in One Printer
LanguageEnglish

Related product manuals