Chapter 77-10F-7-14SERVICE MODE:- COPIER> OPTION> BODY> CNT-W/PR (enabling/disabling density variable mode during printing)0: corrects the target value to permit variation of density during printing. (default)1: does not permit variation of density during printing.F-7-152. Adjustment of Density During Printing (scanner input)WMUPRWMUP STBY193 198Potential sensorLaserGrid biasVgVgPwPw VdcPotential controlsequence startedVD VLSelected potentialVDcorrectionvalueVdccorrectionvalue1234567890.60.70.80.91.01.11.21.21.2 +40V+20VFvalueDensityDarkerLighterIncreases the laser power(i.e., increasing the contrast)to enable reproduction of fine lines,each as wide as the diameter of asingle toner particle.Laser powercorrectionvalueThe laser power reaches the upper limit,causing the machine to correct thedeveloping bias and to increase thecontrast.Corrects the laser power/developingbias to suit the F value setting.COPIER > OPTION > BODY > CNT-W/PRSetPotentialcontrolPrintingstartedMain power switchOFF/ONF valuechangedA laser power output Vdcsuited to the F value settingis used.
