CHAPTER 11 TROUBLESHOOTINGCOPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-5II. STANDARDS AND ADJUSTMENTSA. Mechanical1. Copiera. Leading Edge Non-Image WidthMake adjustments so that the leading edge non-image width is 2.0 ±1.5 mm when the TestSheet is copied in Direct.2.0±1.5mmSettingHigherLowerLeading edge non-image widthIncreasesDecreasesTable 11-201Figure 11-201Making Adjustments1) Select '31' in service mode.• The display will indicate '31'.2) Press the Copy Start key.• The existing setting will flash.3) Change the setting by the +/- key.• The setting may be between 0 and 99.• For each '1', the non-image width will change by 0.24 mm.4) Press the AE key.• The setting will stop flashing and will remain on, indicating that it has been stored inmemory.5) As necessary, press the Clear/Stop key once to return to item selection; or, press it once againto end service mode.Relationship between Setting and Leading Edge Non-Image WidthCaution:If you have performed this adjustment, be sure to adjust the image leading edge margin.