ContentsChapter 14 Correcting Faulty Images14.1 Making lnitial Checks ................................................................................................................................... 14- 114.1.1Site Environment ..................................................................................................................................... 14- 114.1.2Checking the Paper.................................................................................................................................. 14- 114.1.3Checking the Placement of Paper............................................................................................................ 14- 114.1.4Checking the Durables ............................................................................................................................ 14- 114.1.5Checking the Periodically Serviced Items............................................................................................... 14- 114.1.6Checking the Units and Functional Systems ........................................................................................... 14- 214.1.7Others ...................................................................................................................................................... 14- 314.2 Troubleshooting............................................................................................................................................. 14- 414.2.1 Image Faults............................................................................................................................................ 14- 414.2.1.1 Uneven Density ............................................................................................................................... 14- 414.2.1.2 Partially Blank/Streaked.................................................................................................................. 14- 614.2.1.3 Smudged/Streaked......................................................................................................................... 14- 1114.2.1.4 Ghost/Memory............................................................................................................................... 14- 1514.2.2 Malfunction........................................................................................................................................... 14- 1614.2.2.1 No Power ....................................................................................................................................... 14- 1614.2.2.2 Noise.............................................................................................................................................. 14- 1714.2.3 Transmission/fax-related....................................................................................................................... 14- 1714.2.3.1 Transmission Problem ................................................................................................................... 14- 1714.2.4 Specifications-related FAQ................................................................................................................... 14- 1814.2.4.1 FAQ on Main Unit Specifications................................................................................................. 14- 1814.2.4.2 FAQ on Send Specifications ......................................................................................................... 14- 2114.2.4.3 FAQ on G3FAX Specifications..................................................................................................... 14- 2114.3 Outline of Electrical Components ............................................................................................................... 14- 2314.3.1 Clutch/Solenoid..................................................................................................................................... 14- 2314.3.1.1 Clutches and Solenoids.................................................................................................................. 14- 2314.3.2 Motor..................................................................................................................................................... 14- 2414.3.2.1 Motors............................................................................................................................................ 14- 2414.3.3 Fan......................................................................................................................................................... 14- 2714.3.3.1 Fans................................................................................................................................................ 14- 2714.3.4 Sensor.................................................................................................................................................... 14- 2814.3.4.1 Sensors........................................................................................................................................... 14- 2814.3.5 Switch ................................................................................................................................................... 14- 3314.3.5.1 Switches......................................................................................................................................... 14- 3314.3.6 Lamps, Heaters, and Others .................................................................................................................. 14- 3414.3.6.1 Lamps, Heaters, and Others........................................................................................................... 14- 3414.3.6.2 Lamps, Heaters, and Others........................................................................................................... 14- 3714.3.7 PCBs ..................................................................................................................................................... 14- 4014.3.7.1 PCBs .............................................................................................................................................. 14- 4014.3.7.2 PCBs .............................................................................................................................................. 14- 4314.3.8 Variable Resistors(VR), Light-Emitting Diodes(LED),and Check Pins by PCB................................. 14- 4614.3.8.1 Variable Resistors (VR), Light-Emitting Diodes, and Check Pins by PCB.................................. 14- 4614.3.8.2 Points to Note About the Leakage Breaker ................................................................................... 14- 4714.3.8.3 All-Night Power Supply PCB ....................................................................................................... 14- 47Chapter 15 Self Diagnosis