COPYRIGHT © 1997 CANON INC. CANON NP6560/NP6360/NP6260 REV.0 NOV. 1997 PRINTED IN JAPAN (IMPRIME AU JAPON)xCHAPTER 7 EXTERNALS/AUXILIARY MECHANISMSI. CONTROL PANEL..............................7-1A. Outline ...........................................7-1B. Operation.......................................7-11. Data Communication................7-12. LCD Processing .......................7-23. Automatic Control of LCDContrast ....................................7-44. Touch Switch Inputs .................7-5II. FANS ..................................................7-6III. POWER SUPPLY ...............................7-9A. Outline of Power Supply ................7-9B. Power Supply Circuit .....................7-10C. Date/Time Display Power Supply ..7-12IV. DISASSEMBLY AND ASSEMBLY ......7-13A. External Covers .............................7-141. Removing the Front Door .........7-152. Removing the Inside UpperCover ........................................7-163. Removing the Fixing/FeedingUnit Front Cover .......................7-164. Removing the Rear Cover........7-175. Sliding Out the HopperAssembly ..................................7-176. Removing the Process Unit......7-187. Installing the Process Unit........7-20B. Control Panel.................................7-211. Removing the Control Panelfrom the Copier ........................7-212. Removing the Control PanelPCB ..........................................7-23CHAPTER 6 FIXING SYSTEMI. OUTLINE OF OPERATIONS..............6-1A. Outline ...........................................6-1B. Fixing Drive Assembly ...................6-3C. Controlling the Fixing Temperature ..6-5D. Reciprocating Mechanism forthe Main Thermistor (TH1) ............6-10E. Reciprocating Mechanism forthe Upper Separation Claw ...........6-11F. SSR Error Detection Circuit forthe Fixing Heater ...........................6-12G. Locking Operation (fixing/feedingunit)................................................6-14H. Error Detection Circuit ...................6-151. Outline ......................................6-152. Scanning Lamp ErrorActivation Detection Circuit ......6-153. Fixing Heater Error ActivationDetection Circuit .......................6-164. Motor Error RotationDetection Circuit .......................6-17II. DISASSEMBLY AND ASSEMBLY ......6-18A. Fixing Assembly ............................6-191. Construction .............................6-192. Locking Mechanism..................6-193. Removing the Fixing CleaningBelt ...........................................6-194. Installing the Fixing CleaningBelt ...........................................6-215. Removing the Upper FixingUnit ...........................................6-226. Removing the Fixing Heater.....6-247. Installing the Fixing Heater.......6-258. Removing the Fixing UpperRoller ........................................6-259. Installing the Upper FixingRoller ........................................6-2710.Removing the Thermal Switch ..6-2711.Removing the Main Thermistor(TH1) ........................................6-2812.Removing the LowerSeparation Claw Assembly ......6-2913.Removing the Lower Roller ......6-2914.Removing the UpperSeparation Claw .......................6-3015.Adjusting the Nip (tighteningthe pressure adjusting nut).......6-3016.Adjusting the Fixing Clutch.......6-3117.Removing the Sub Thermistor(TH2) ........................................6-32B. Delivery Assembly .........................6-331. Construction .............................6-332. Removing the Delivery UpperGuide (fixing/deliveryassembly) .................................6-333. Removing the Fixing/FeedingAssembly Locking Assembly ....6-334. Removing the ExternalDelivery Roller ..........................6-345. Removing the External DeliveryPaper Sensor and the InternalDelivery Paper Sensor .............6-356. Removing the Fixing AssemblyOutlet Paper SensorAssembly ..................................6-357. Removing the Internal DeliveryAssembly Roller .......................6-36
