22
Cleaning the Unit
∫Outside of the scanner
Clean the unit at least once a month.
1Turn the power off.
2Clean the cover with a soft cloth.
3Remove dirt and dust from the radia-
tion vent with a brush.
∫Inside the scanner
≥Clean the unit at least once a week or when 20,000 sheets have been scanned, whichever comes first.
≥Clean the rollers and sensors if paper jamming or multiple-sheet feeding occurs frequently. (Refer to pages 23-
25.)
≥Clean the CIS glasses and sensor rollers when lines appear on the scanned imag es. (Refer to pages 25-26.)
≥If the documents you scan are dirty, then the scanner components will also become dir ty. To maintain proper
scanning, clean the scanner components frequently.
Radiation vent