4. Making Checksa. Checking the Voltage at J111-B8 (LAON)Check to make sure that the voltage between J111-B8 and J111-B5 (GND) on theDC controller PCB is about 5 V when the scanner is moving forward and 0 V during initialrotation, when the scanner is moving in reverse, and during post rotation.b. Intensity/AE AdjustmentTable 4-103 shows items that may be adjusted on the scanning lamp intensity con-trol circuit.Table 4-103CHAPTER 4 IMAGE FORMATION SYSTEM4-10 COPYRIGHT © 1997 CANON INC. CANON NP6560/NP6360/NP6260 REV. 0 NOV. 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)Service modeLIGHT _ 5LIGHT 5PGLEAM _ 5AE _ SLOP]3]]3]]3]FunctionOptimumintensityadjustment forpotentialcontrol (copydensity at 5)Optimumexposureadjustmentduring non-potentialcontrol (copydensity at 5)AE slopeAdjustmentIntensityCopydensity1V 5V InputqwIntensityCopydensity1 5 9qwIntensityCopydensity1 5 9qwRemarksq If the setting isincreased in servicemode, the intensityduring copying willincrease, making thecopy lighter.w If the setting isdecreased in servicemode, the intensityduring copying willdecrease, making thecopy darker.q If the setting isincreased in servicemode, the intensityduring copying willincrease, making thecopy lighter.w If the setting isdecreased in servicemode, the intensityduring copying willdecrease, making thecopy darker.q If the setting isincreased inadjustment mode, thecopy of a newspaperwill be darker.w When the setting isdecreased in adjust-ment mode, the copyof a newspaper will belighter.
