Service manual

Confidential
3.7 Software Setting Problems ..................................................................................2-91
3.7.1 Cannot print data......................................................................................2-91
3.8 Network Problems ...............................................................................................2-92
3.8.1 Cannot make a print through network connection
(Wireless LAN model only) (Error code DE, EE)...................................... 2-92
3.9 Document Feeding Problems ..............................................................................2-93
3.9.1 No feeding ................................................................................................2-93
3.9.2 Double feeding .........................................................................................2-93
3.9.3 Paper jam .................................................................................................2-94
3.9.4 Wrinkles.................................................................................................... 2-95
3.10 Scanning Image Defect Troubleshooting.............................................................2-96
3.10.1 Image defect examples ............................................................................2-96
3.10.2 Troubleshooting image defect .................................................................. 2-96
3.11 Troubleshooting of the Control Panel ..................................................................2-99
3.11.1 Nothing is displayed on the LCD ..............................................................2-99
3.11.2 The control panel does not work ..............................................................2-99
3.11.3 Lamp malfunction .....................................................................................2-99
3.12 Troubleshooting of FAX/Telephone Functions................................................... 2-100
3.12.1 FAX can't send it ....................................................................................2-100
3.12.2 FAX cannot be transmitted and received. ..............................................2-100
3.12.3 No bell ring .............................................................................................2-100
3.12.4 A communication error occurs................................................................2-101
3.12.5 Reception mode cannot be changed......................................................2-101
3.12.6 Caller ID are not displayed.....................................................................2-101
3.12.7 Cannot talk on the handset ....................................................................2-101
3.13 PCB Problems ................................................................................................... 2-102
3.13.1 Main PCB failure ....................................................................................2-102
3.13.2 Out of Memory........................................................................................2-102
3.13.3 High voltage power supply PCB ASSY failure ....................................... 2-102
3.13.4 Low voltage power supply PCB ASSY failure ........................................2-103
3.13.5 NCU ASSY failure ..................................................................................2-103
3.14 Other Problems ................................................................................................. 2-104
3.14.1 The machine is not turned ON, or the LCD indication does not appear.2-104
3.14.2 The fan motor 60 ASSY does not rotate. ...............................................2-104
3.14.3 The room temperature is high or low......................................................2-104
3.14.4 Problem associated with Secure Function Lock..................................... 2-104