Document Trouble - Muratec MFX-2550 Field Engineering Manual

4.6 Document trouble

Mechanical Errors
Symptom
While The ADF does not feed the
feeding a document.
document
While The feeder stops the feed-
ing job while the document
scanning
document is taken into the feeder.
The document is stuck and
gets damaged while taken
into the feeder.
Sensor Malfunctions
Symptom
No beep sound when you
While
feeding a place the document.
(The beep sound volume
document
setting could be OFF.)
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
0 Press <Setting>, <*>, <2>, <2> to display the sensor
DS1 sensor defect
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 (MFX-2570 only) Replace the RADF board.
6 (MFX-2570 only) Replace the harness between the
RADF board and main control board.
7 Replace the main control board.
0 Press <Setting>, <*>, <2>, <2> to display the sensor
APS sensor defect
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 (MFX-2570 only) Replace the RADF board.
6 (MFX-2570 only) Replace the harness between the
RADF board and main control board.
7 Replace the main control board.
4-43
Countermeasure
Clean the roller.
Replace the roller.
Adjust the separation pressure.
Clean the roller.
Replace the motor.
Replace the sensor.
Replace the motor.
Clean the roller.
Replace the roller.
Remove the objects.
Recommend the customer to use
the document glass.
Countermeasure