Error Messages (cont.)
CHECK FUSER UNIT
320: FUSER UNIT MISSING
The fuser is not properly installed.
What to Do
Open the top cover and check the fuser:
1.Press down on the fuser to be sure it is firmly locked in place. The message should disappear.
Note: If the message still appears, push the blue latches at either end of the fuser back (toward the printer cover hinge) and lift the fuser out, then lower it back into the printer, pushing it firmly down in place. You should feel the latches at either end engage.
2.Close the cover.
DISK FILE SYSTEM FULL
The printer’s internal hard drive does not have enough memory to print the current job.
What to Do
Either print out or delete some of the files already on the printer’s hard drive ( see pages 20 and 21).
Note:You can also use the Storage Device Manager utility to clean up the printer’s hard disk drive. See your
PRESS ONLINE SW
INVALID DATA
The hard disk drive is not available and job spooling cannot take place.
What to Do
Press the ON LINE button.
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