Print with EconoMode ............................................................................................ 139
Set the sleep delay ................................................................................................ 139
Set the Auto Power Down delay .............................................................................. 139
Print when a toner cartridge is at estimated end of life .............................................................. 141
Enable or disable the At Very Low settings ............................................................... 141
Store and recycle supplies ..................................................................................................... 142
Recycle supplies .................................................................................................... 142
Toner cartridge storage .......................................................................................... 142
Replacement instructions ....................................................................................................... 143
Replace the toner cartridges ................................................................................... 143
Update the firmware ............................................................................................................. 147
Manually update the firmware ................................................................................ 147
Set the product to automatically update the firmware ................................................. 147
8 Solve problems ............................................................................................................. 149
Problem-solving checklist ....................................................................................................... 150
Step 1: Check that the product power is on .............................................................. 150
Step 2: Check the control panel for error messages ................................................... 150
Step 3: Test print functionality ................................................................................. 150
Step 4: Test copy functionality ................................................................................ 151
Step 5: Test the fax sending functionality .................................................................. 151
Step 6: Test the fax receiving functionality ................................................................ 151
Step 7: Try sending a print job from a computer ....................................................... 151
Step 8: Test the walk-up USB printing functionality ..................................................... 151
Restore the factory-set defaults ............................................................................................... 152
Control panel help system ..................................................................................................... 152
Interpret control panel messages ............................................................................................ 153
Control panel message types .................................................................................. 153
Control panel messages ......................................................................................... 153
10.X00Y Supply Error ............................................................................ 153
49 Error, Turn off then on ........................................................................ 153
50.x Fuser Error ..................................................................................... 154
51.XX Error ........................................................................................... 154
54.XX Error ........................................................................................... 154
55.X Error ............................................................................................. 155
57 Fan Error, Turn off then on .................................................................. 155
59.X Error ............................................................................................. 155
79 Error Turn off then on ......................................................................... 155
Black Cartridge Low ............................................................................... 156
Black in wrong position ........................................................................... 156
Black Very Low ...................................................................................... 156
ENWW ix
