Chapter 5 Daily Care
51
Location and Frequency
Location
Frequency
ADF
Pad unit
Every 3,000 sheets
Pick roller unit
Glass
Ultrasonic sensor
Feed roller
Eject roller
Plastic idler roller
Rubber idler roller
Flatbed
Document pad
Document bed
ATTENTION
Cleaning cycles may vary depending on the condition of the documents.
Also, cleaning must be performed more frequently when the following
types of documents are scanned:
Smooth-faced documents such as coated paper
Documents with printed text/graphics that almost cover the entire
surface
Documents containing a large amount of calcium carbonate
Documents written in lead pencil
Documents on which the toner is not sufficiently fused