Olivetti d-Copia 163MF Service Manual page 50

Code
7980 Waste toner full (Total page count
less than 100,000 pages of printing)
The toner-full sensor has detected that
the waste toner is full before the total
print page of less than 100,000 pages.
1-4-12
Contents
Shake the drum unit
horizontally.
Turn power switch off,
then on.
Replace the drum unit.
See P.1-5-6.
Turn power switch off,
then on.
Replace the waste toner full
sensor or engine/high voltage
PWB.
See P.1-5-14.
Causes
Defective drum Follow the flow chart.
unit.
Defective waste
toner full sensor.
Defective engine/
high voltage PWB.
Start
No
"7980" error
shown?
Yes
No
"7980" error
shown?
Yes
Service Manual
Remarks
Check procedures/corrective measures
End.
Y107330-8