Service manual

13.2.3.1 No Power ........................................................................................................................................13-33
13.2.3.1.1 Power is absent. .......................................................................................................................13-33
13.2.3.2 Control Panel-Related.....................................................................................................................13-34
13.2.3.2.1 The LCD fails to operate. ........................................................................................................13-34
13.2.3.3 Malfunction/Faulty Detection.........................................................................................................13-34
13.2.3.3.1 The contact sensor fails to move..............................................................................................13-34
13.2.3.3.2 The contact sensor LED fails to go ON...................................................................................13-35
13.2.3.3.3 The speaker fails to generate sound.........................................................................................13-36
13.2.3.3.4 Original pickup fails. ...............................................................................................................13-37
13.2.3.4 User Warning Message...................................................................................................................13-38
13.2.3.4.1 The message "INSTALL CARTRIDGE" fails to go OFF. .....................................................13-38
13.2.3.4.2 The message "SUPPLY REC. PAPER" fails to go OFF. (cassette)........................................13-39
13.2.3.4.3 The message "SUPPLY REC. PAPER" fails to go OFF. (manual feed..................................13-39
13.2.3.4.4 The message "REC. PAPER JAM" fails to go OFF................................................................13-40
13.2.3.4.5 The message "PLATEN IS OPEN CLOSE THE PLATEN" fails to go .................................13-42
13.2.4 Printing/Scanning ..................................................................................................................................13-43
13.2.4.1 No Output .......................................................................................................................................13-43
13.2.4.1.1 Printing fails to start./Printing stops in the middle. .................................................................13-43
13.2.5 Transmission/Fax-Related .....................................................................................................................13-45
13.2.5.1 Transmission Problem ....................................................................................................................13-45
13.2.5.1.1 Troubleshooting Communication Faults .................................................................................13-45
13.2.6 Jam (Main Unit).....................................................................................................................................13-46
13.2.6.1 Pickup Assembly (cassette) ............................................................................................................13-46
13.2.6.2 Pickup Assembly (manual feed tray)..............................................................................................13-49
13.2.6.3 Feeding Assembly...........................................................................................................................13-52
13.2.6.4 Fixing Delivery Assembly..............................................................................................................13-54
13.2.6.5 Checking the Rotation of the Rollers and Gears.............................................................................13-56
13.2.7 Jam (Document Feeder).........................................................................................................................13-57
13.2.7.1 Original Jams (if equipped with ADF functions) ...........................................................................13-57
13.3 Outline of Electrical Components ................................................................................................................13-59
13.3.1 Clutch/Solenoid .....................................................................................................................................13-59
13.3.1.1 Body................................................................................................................................................13-59
13.3.1.2 ADF (if equipped with ADF functions)..........................................................................................13-59
13.3.2 Sensor ....................................................................................................................................................13-60
13.3.2.1 Body................................................................................................................................................13-60
13.3.2.2 ADF (if equipped with ADF functions)..........................................................................................13-61
13.3.3 Lamps, Heaters, and Others...................................................................................................................13-62
13.3.3.1 Others..............................................................................................................................................13-62
13.3.4 PCBs ......................................................................................................................................................13-63
13.3.4.1 PCBs ...............................................................................................................................................13-63
13.3.5 Variable Resistors(VR), Light-Emitting Diodes(LED),and Check Pins by PCB .................................13-65
13.3.5.1 Variable Resistors, Light Emitting Diodes (LED), and Check Pins by PCB .................................13-65
13.3.5.2 Image Processor PCB .....................................................................................................................13-65
13.3.5.3 DC Controller PCB.........................................................................................................................13-66