COPYRIGHT © 1997 CANON INC. CANON NP6218 REV.0 MAY 1997 PRINTED IN JAPAN (IMPRIMÉ AU JAPON)viiiC. Pre-Registration Stationary Jam ...5-13D. Separation Delay Jam ...................5-14E. Separation Stationary Jam ............5-14F. Delivery Delay Jam........................5-15G. Delivery Stationary Jam ................5-15VII. DISASSEMBLY AND ASSEMBLY ......5-16A. Pick-Up Assembly .........................5-161. Detaching the Pick-Up RollerUnit ...........................................5-162. Detaching the Pick-Up Roller ...5-193. Points to Note When Attachingthe Pick-Up Roller ....................5-204. Detaching the Pick-Up Clutch...5-205. Detaching the Separation Pad ..5-216. Adjusting the Left/RightRegistration ..............................5-22B. Multifeeder Assembly ....................5-231. Detaching the MultifeederAssembly ..................................5-232. Detaching the MultifeederPick-Up Roller Unit ...................5-243. Detaching the MultifeederPick-Up Roller ..........................5-254. Points to Keep Note WhenAttaching the MultifeederPick-Up Roller ..........................5-265. Detaching the Separation Pad ..5-266. Detaching the MultifeederDrive Unit..................................5-277. Detaching the MultifeederClutch .......................................5-288. Positioning the MultifeederAssembly (paper guide platecam) .........................................5-299. Adjusting the Left/RightRegistration ..............................5-3010.Points to Note When Attachingthe Multifeeder Assembly RackPlate .........................................5-30C. Registration Roller Assembly ........5-311. Detaching the RegistrationClutch .......................................5-312. Detaching the UpperRegistration Roller....................5-313. Detaching the LowerRegistration Roller....................5-33D. Feeding Assembly .........................5-341. Detaching the Feeding Belt ......5-34E. Cassette Unit .................................5-361. Detaching the Copier fromthe Cassette Unit......................5-362. Detaching/Attaching thePick-Up Roller ..........................5-363. Detaching the Pick-Up Clutch ..5-36CHAPTER 6 FIXING SYSTEMI. BASIC OPERATIONS.........................6-1A. Outline ...........................................6-1B. Controlling the Fixing HeaterTemperature ..................................6-3C. Controlling the Supply Power forthe Fixing Heater ...........................6-5D. Detecting Overheating at the Endof the Fixing Heater .......................6-6E. Protection Mechanism ...................6-61. Thermistor (TH1, TH2) .............6-62. Thermal Fuse (FU1).................6-63. Heater ON Detection Circuit(230V model only) ....................6-6F. Correcting Displacement of theFixing Film .....................................6-71. Outline ......................................6-72. Controlling the Fixing FilmMotor ........................................6-10II. DISASSEMBLY AND ASSEMBLY ......6-11A. Fixing Assembly ............................6-111. Construction1 ...........................6-112. Detaching the Upper FixingUnit ...........................................6-123. Detaching the Fixing Film,Tension Roller, Drive Roller,Fixing Cleaning Brush, andFixing Heater Unit ....................6-134. Points to Note When Attachingthe Fixing Film .........................6-205. Points to Note When Attachingthe Heater Connector ...............6-206. Points to Note When Replacingthe Fixing Upper Unit ...............6-217. Adjusting the Fixing Film DriveRoller Pressure.........................6-218. Detaching the Lower FixingUnit ...........................................6-239. Detaching the SeparationClaw/Lower Fixing Claw andFixing Cleaning Roller ..............6-2410.Adjusting the Lower FixingRoller Nip..................................6-25B. Delivery Assembly .........................6-27
