P-Tg-K; Dmax-K; P-Alpha; P-K-Y - Canon imageRUNNER ADVANCE C5045 Series Service Manual

COPIER>ADJUST>DENS

P-TG-K

AdjofATRcontrolBk-colortargetvalue
Lv.2 Details ToadjusttheoffsetoftheATRpatchtargetvalueforBk.
Whenthetargetvaluedetermineduponinitializationischanged,
theT/Dratioisalsochanged.
Fogginganddensityincreasearealleviatedwhenthevalueis
smaller,andcarrieradherenceisalleviatedwhenitislarger.
Usecase Whendensityfailures,fogging,andcarrieradherence,etc.occur
Adj/set/operatemethod 1)Enterthesettingvalue(switchnegative/positiveby-/+key)
andpressOKkey.
2)TurnOFF/ONthemainpowerswitch.
3)Make50printsofapprox.10%imageratio(ex.COPIER>
TEST>PG>TYPE:16)4times.
4)ExecuteAutoAdjustGradation>FullAdjust.
Caution Execute the Auto Adjust Gradation first to increase the density. If
youadjusttheoffsetofthetargetvalue,foggingmightgetworse.
Display/adj/setrange -4to4
Unit -
Appropriatetargetvalue -
Defaultvalue 0
Requiredtime -
Relatedservicemode -
Relatedusermode Adjustment/Maintenance>AdjustImageQuality>AutoAdjust
Gradation>FullAdjust
Supplement/memo -

DMAX-K

AdjD-maxctrlBkcolordenstargetVL
Lv.2 Details Animagefailuremightoccurbecausethedensitytargetvalue
oftheD-maxcontrolbecomesoutofthesettingtabledueto
environmentchange.
AdjusttheoffsetoftheblackdensitytargetvalueofD-max
control.
TheoffsetisresetwhenD-maxcontrol(FullAdjust)isexecuted.
Usecase Whenanyimagefailureoccursduetoenvironmentchange
Adj/set/operatemethod 1)Enterthesettingvalue,andthenpressOKkey.
2)TurnOFF/ONthemainpowerswitch.
Caution Donotusethisatthenormalservice.
Display/adj/setrange -128to128
Unit -
Appropriatetargetvalue -
Defaultvalue 0
Requiredtime -
Relatedservicemode -
Relatedusermode -
Supplement/memo -
8

8 
COPIER>ADJUST>DENS

P-ALPHA

AdjustmentofPatchSensoralphavalue
Lv.1 Details To adjust the adjustment coefficient alpha for the patch sensor .
Thevaluemultipliedby1000isdisplayedinthescreen.
WhenreplacingthePatchSensorUnit,enterthevalueofthe
servicelabel.
Usecase WhenadensityreadingerrorofthePatchSensoroccurs
Adj/set/operatemethod 1)Enterthesettingvalue,andthenpressOKkey.
2)TurnOFF/ONthemainpowerswitch.
Caution -
Display/adj/setrange 512to2047
Unit -
Appropriatetargetvalue 1200
Defaultvalue -
Requiredtime -
Relatedservicemode COPIER>FUNCTION>MISC-P>PT-LPADJ
Relatedusermode -
Supplement/memo alpha:RatioofP-wavetoS-wave

P-K-Y

AdjYcolorptchdensconvscoeffctk
Lv.2 Details To adjust the yellow patch density conversion coefficient k value
ofthePatchSensor.
Thevaluemultipliedby100isdisplayedonthescreen.
Usecase WhenthePatchSensorfailstoreadthedensity
Adj/set/operatemethod -
Caution -
Display/adj/setrange 0to2047
Unit -
Appropriatetargetvalue -
Defaultvalue 1700
Requiredtime -
Relatedservicemode -
Relatedusermode -
Supplement/memo -
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