Formax 6404 Series - Manual (Page 99)

Clean the sensors on the envelope or document path
When the display warns about dusty sensors in the envelope or document path, clean them
as follows:
1.
Open side cover A.
2. Place bellows B in the upper air plug C and firmly squeeze a few times to blow the
dust from the document path sensor.
3. Place the bellows in the lower air plug and firmly squeeze a few times to blow the
dust from the envelope path sensor.
4. Calibrate the photocells (see Resetting photocells on page 93).
Clean the exit sensors
To clean the exit sensors:
1.
Rotate a slightly moistened cotton swab in the lower hole, to clean the lower exit
sensor.
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