CHAPTER 11 TROUBLESHOOTINGCOPYRIGHT © 1999 CANON INC. CANON NP6512/6612/7120/7130/7130F REV.0 AUG. 1999 PRINTED IN JAPAN (IMPRIME AU JAPON) 11-7523 The lens fails to turn on.YES/NONONONOYESNOCauseLens sole-noid (SL3)Lens cable,Pulley, RailDC powersupplyScanner/lensdrive motor(M2)DC controlPCBStep1234ChecksDoes the lens solenoid (SL3) turn onwhen the power switch is turned on?Are the lens cable, pulley, and railnormal?Set the meter range to the 30 VDC,and connect J202-2 (+) and -1 (-) onthe composite power supply PCB. Isthe meter reading about 24 V?Replace the scanner/lens drive motor(M2). Is the problem corrected?ActionCheck the wiring fromJ109 on the DCcontroller PCB to SL3;if normal, replace SL3.Check the lens cable,pulley, and rail; asnecessary, clean thecable and adjust itstension.See "DC power fails toturn on."End.Replace the DCcontroller PCB.24 The fixing heater fails to turn on.YES/NOYESYESNOCause------------DC control-ler PCBCompositepowersupply PCBStep12ChecksIs 'E000', 'E001', 'E002', or 'E003'indicated?Replace the DC controller PCB. Is theproblem corrected?ActionSee "E000", "E001","E002", or "E003".End.Replace the compositepower supply PCB.
