Scanner Related Trouble - Muratec MFX-3595 Field Engineering Manual

4.7 Scanner related trouble

Mechanical Errors
Symptom
While ADF does not feed the
feeding a document.
document
While The feeder stops the feeding
scanning job while the document is
document taken into the feeder.
The document is stuck and
gets damaged while taken
into the feeder.
Sensor Malfunctions
Symptom
While No beep sound when you
feeding a place the document.
document (The beep sound volume
setting could be OFF.)
The machine feeds the
document through the ADF
without scanning.
Possible Cause
The pickup roller is dirty or worn
out.
The power of the separation
roller is getting decrease. The
separation pad pressure does
not match the paper quality.
The motor is not rotating.
The malfunction of the sensor.
The motor power is not working
properly.
The roller is dirty.
The roller is worn out.
Foreign objects entered the feed
area.
The paper quality is not
acceptable.
The paper shape is not
acceptable.
Possible Cause
DS1 sensor defect 0 Press <Mode>, <*>, <2>, <2> to display the sensor
input test mode.
1 Confirm the LCD indication changes by moving the
DS1 sensor.
OFF: No document / ON: Document
2 Check the sensor harness is firmly connected.
3 If the LCD indication does not change, replace the
DS1 sensor.
4 Replace the sensor harness.
5 Replace ADF board.
6 Replace the harness between ADF board and main
control board.
7 Replace the main control board.
APS sensor defect 0 Press <Mode>, <*>, <2>, <2> to display the sensor
input test mode.
1 Confirm that the LCD indication changes by opening
and closing the platen cover.
OFF: Cover Open / ON: Document
2 Check the sensor harness is firmly connected.
3 If the LCD indication does not change, replace the
APS sensor.
4 Replace the sensor harness.
5 Replace ADF board.
6 Replace the harness between ADF board and main
control board.
7 Replace the main control board.
DS1 or APS sensor Check "DS1 sensor defect" and "APS sensor defect".
defect
4-35
Countermeasure
Clean the roller.
Replace the roller.
Adjust the separation pressure.
Clean the roller.
Replace the motor.
Replace the ADF board.
Replace the sensor.
Replace the motor.
Replace the ADF board.
Clean the roller.
Replace the roller.
Remove the objects.
Recommend the customer to use
the document glass.
Countermeasure