Canon NP6012 Service Manual

Also see for NP6012: Service manual

—————_—_—_——__LSEE_L__ SOP ATIONS ANC TIMING5. Image Leading Edge Margin (registra- 6. Primary Corona Output Voltagetion on timing) Correction (model without automaticMake this adjustment whenever you indication of drum unit replacementhave replaced the following: time only)¢ DC controller PCB Execute this adjustment whenever youhave replaced the following:Make sure that the leading edge margin * DC controller PCBis 1.0 and 4.0 mm when the Test Chart is © drum unitcopied.Making Adjustments+ After Replacing the DC Controller PCB1) Select '32' in service mode; then, usingYou must make sure that the image the +/- key, enter the setting 'PRIMARY'leading edge non-image width is within recorded on the service label attachedthe standard before making this adjust- behind the control panel in thement. : count/ratio indicator, and press the AEkey.¢ The setting may be between 0 and 30.v 2) Turn off and then on the copier.== = 4 ° After Replacing the Drum Unit1.0 to 4.0 [mm] 1) Select '32' in service mode; then, usingthe +/- key, enter the setting ‘PRIMARY’Figure 3-809 recorded on the service label attachedbehind the control panel in thecount/ratio indicator, and press the AEkey.* The setting may be between 0 and 30.Making Adjustments1) Select '30' in service mode; then, usingthe +/- key, change the setting in thecount/ratio indicator, and press the AE 2) Tum off and then on the copier.key.oe seuing ey De benveen 0 and ae: 3) After making the adjustment, record the* The default is 14. ; :new setting on the service label attachedRelationship between the Setting and the Image behind the control panel.Leading Edge Non-Image WidthIncreasesDecreasesTable 3-8042) After making the adjustment, record thenew setting on the service labe}! attachedbehind the control panel. Figure 3-810COPYRIGHT © 1995 CANON INC. CANON NP6012/NPSO12F/NP6212 REV.1 SEPT. 1985 PRINTED IN JAPAN (IMPRIME AU JAPON) 3-87