Canon Color iR C3480 Service Manual page 491

Contents
15.3.7.31 E674-0001/FAX function of Super G3 FAX Board-W1 does not work: Main controller PCB (main) is faulty................................... 15-51
15.3.7.32 E350-0000/E732-0001/E747-051B/E747-DF00/E748-4000: Sub SJ-A board has poor contact at start-up ......................................... 15-52
15.3.7.33 E732-0001/E811-0001 occurs upon installation: Connector J254 hs poor contact................................................................................ 15-52
15.3.7.34 E732-9999 is displayed after mounting scanner..................................................................................................................................... 15-52
15.3.7.35 E747/E748: Procedure for mounting Sub when poor contact occurs..................................................................................................... 15-52
15.3.7.36 E747-C000 is displayed at copying because paper jam occurs in front of registration area: DDI-S cable is faulty.............................. 15-52
15.3.7.37 E747-0719/E747-051b/E747-0619/E747-621f/this machine fails to start upon installation: Main controller PCB is faulty................ 15-53
15.3.7.38 E747-221D/E747-221F/E747-381B/E747-421D/E747-C000/E747-C51D: Image memory (SDRAM) is faulty................................. 15-53
15.3.7.39 E747-3619: Main controller PCB (main) is faulty ................................................................................................................................. 15-53
15.3.7.40 E747-0219 occurs when selecting Image Repeat > Area Designation (or Flaming) > Copy Ratio....................................................... 15-53
15.3.7.41 E748-4031/long start-up time and progress bar stops at point of one-twentieth although these symptoms are temporarily solved by
powering OFF/ON: Hard Disk Drive (HDD) is faulty...................................................................................................................................... 15-54
15.3.7.42 E748-4000: Voltage of power supplied to this machine drops............................................................................................................... 15-54
15.3.7.43 E748-4000: Main controller PCB (main) is faulty ................................................................................................................................. 15-54
15.3.7.44 E748-4883: Main controller PCB (main) is faulty ................................................................................................................................. 15-54
15.3.7.45 E749-0001/E749-0003: Instruction to restart accompanying change in product configuration............................................................. 15-54
15.3.7.46 E804-0001 is displayed because power supply fan2 (FM11) does not rotate: DC Driver PCB is faulty .............................................. 15-55
15.3.7.47 E807-0001: Front process unit fan (FM3) error ..................................................................................................................................... 15-55
15.3.7.48 E807-0002: Rear process unit fan (FM8) fails to rotate ......................................................................................................................... 15-55
15.3.7.49 E808-000 sometimes occurs: DC controller PCB is faulty .................................................................................................................... 15-55
15.3.7.50 E811-0000: DC Driver PCB is faulty..................................................................................................................................................... 15-55
15.3.7.51 E840-0000/abnormal noise occurs from fan shutter motor (M15): DC controller PCB is faulty .......................................................... 15-56
15.3.8 FAX # Code ........................................................................................................................................................................... 15-56
15.3.8.1 #857 FAX Error Code is displayed when printing ................................................................................................................................... 15-56
15.3.9 FAX ## Code ......................................................................................................................................................................... 15-56
15.3.9.1 ##281 FAX Error Code: FAX transmission cannot be preformed due to noise on communication line................................................. 15-56
15.3.10 Specifications-Related FAQ................................................................................................................................................. 15-56
15.3.10.1 FAQ on Main Unit Specifications .......................................................................................................................................................... 15-56
15.3.10.1.1 Description on energy consumption in sleep mode when energy consumption is set to "high" .................................................... 15-56
15.3.10.1.2 Description on temperature control timing of cassette heater ........................................................................................................ 15-56
15.3.10.1.3 Number of copies printable between low-toner indication ("Check for replacement cartridge") and no-toner indication........... 15-57
15.3.10.1.4 Secondary transfer roller is soiled with (yellow) toner .................................................................................................................. 15-57
15.3.10.1.5 When Remote Scanner is "online", LED indicator of Start button comes on (i.e., copy operation is enabled)............................. 15-57
15.4 Outline of Electrical Components............................................................................................................................15-57
15.4.1 Clutch/Solenoid...................................................................................................................................................................... 15-57
15.4.1.1 Clutch/Solenoid Table .............................................................................................................................................................................. 15-57
15.4.2 Motor...................................................................................................................................................................................... 15-59
15.4.2.1 Motor Table .............................................................................................................................................................................................. 15-59
15.4.3 Fan.......................................................................................................................................................................................... 15-61
15.4.3.1 Fan Table .................................................................................................................................................................................................. 15-61
15.4.4 Sensor ..................................................................................................................................................................................... 15-62
15.4.4.1 Sensor Table ............................................................................................................................................................................................. 15-62
15.4.5 Switch..................................................................................................................................................................................... 15-65
15.4.5.1 Switch Table ............................................................................................................................................................................................. 15-65
15.4.6 Lamps, Heaters, and Others ................................................................................................................................................... 15-66
15.4.6.1 Lamp. Heaters, and Others Table ............................................................................................................................................................. 15-66
15.4.7 PCBs....................................................................................................................................................................................... 15-67
15.4.7.1 PCBs Table ............................................................................................................................................................................................... 15-67
15.4.8 Connectors.............................................................................................................................................................................. 15-71
15.4.8.1 Connectors ................................................................................................................................................................................................ 15-71
15.4.9 Variable Resistors (VR), Light-Emitting Diodes (LED), and Check Pins by PCB ............................................................... 15-75
15.4.9.1 Variable Resistors (VR), Light-Emiting Diodes (LED), and Check Pins by PCB................................................................................... 15-75
15.4.9.2 Main Controller PCB (main) .................................................................................................................................................................... 15-76
15.4.9.3 Main Controller PCB (sub R-A)............................................................................................................................................................... 15-77
15.4.9.4 DC Controller PCB................................................................................................................................................................................... 15-77