Kyocera FS FS-1020D Operation Manual page 35

Indicators
Indicator Corrective Action
Fuser error (6000 error)
Contact your Kyocera Mita dealer.
The waste toner reservoir is full (7980 error)
Turn off the printer's power and remove the process unit from the printer. Gently
shake the process unit horizontally a few times, then reinstall it into the printer. Turn
on the printer's power. If this error message does not disappear, contact your Kyocera
Mita dealer (less than 100,000 pages printing).
The waste toner reservoir is full (7990 error)
Same as above (100,000 pages printing or more).
Controller check sum error (F010 error)
Contact your Kyocera Mita dealer.
Controller RAM read/write error (F020 error)
Contact your Kyocera Mita dealer.
Table 3-4 (Continued)
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