3
Cooling Fan .................................................................................................................................... 97
Environment Thermistor .................................................................................................................. 98
ID Chip Board ................................................................................................................................. 98
Front Cover Switch, Rear Cover Switch .......................................................................................... 99
USB Port (Only for MF Models) ...................................................................................................... 99
FCU (Only for Fax Models) ........................................................................................................... 100
Speaker (Only for Fax Models) ..................................................................................................... 100
Image Adjustment ............................................................................................................................. 102
Registration Adjustment ................................................................................................................ 102
5. System Maintenance .................................................................................................................... 103
Maintenance Mode (for Four-line LCD Models) ................................................................................ 103
Overview ....................................................................................................................................... 103
Menu List ...................................................................................................................................... 103
Maintenance Mode (for Touch Panel Models) .................................................................................. 114
Overview ....................................................................................................................................... 114
Menu List ...................................................................................................................................... 114
Smart Organizing Monitor (SOM) ..................................................................................................... 129
Overview ....................................................................................................................................... 129
Menu List ...................................................................................................................................... 130
Fax Service Test (Only for Fax Models) ........................................................................................... 150
Fax Service Test Menu ................................................................................................................. 150
Menu List ...................................................................................................................................... 150
Reports ............................................................................................................................................. 152
Types of Reports ........................................................................................................................... 152
To Print the Reports ...................................................................................................................... 152
Report Examples .......................................................................................................................... 153
Test Page ..................................................................................................................................... 156
Test Pattern Printing ..................................................................................................................... 157
Updating the Firmware ..................................................................................................................... 159
Before Updating the Firmware ...................................................................................................... 159
Updating the Main Firmware ......................................................................................................... 160
Troubleshooting ............................................................................................................................ 162
Capturing the Debug Logs ................................................................................................................ 168
6. Troubleshooting ............................................................................................................................ 170
Self-Diagnostic Mode ........................................................................................................................ 170
Self-Diagnostic Mode at Power On ............................................................................................... 170
Service Call ...................................................................................................................................... 171
Service Call Conditions ................................................................................................................. 171
SC 2xx (Laser Optics Errors) ........................................................................................................ 171