GRAPHTEC SK200-09 - Troubleshooting

SK200-UM-251-9370 10-1
10. TROUBLESHOOTING
10. TROUBLESHOOTING
Cause Checkpoint Remedy
Lamps on the control
panel remain unlit.
Confirm that the power switch has been
switched on.
Switch on the power switch.
Confirm that the power cable is properly
connected.
Connect the cable properly.
Confirm that the cable is properly connected
to the control device.
Connect the cable properly.
Confirm that the power outputs (+24 V, +5 V,
+3.3 V) are appropriate.
Check the power supplies and replace if
necessary.
Other Replace the control panel.
Replace the data controller board.
The document is not
scanned, although
it is moved to the
scanning position.
Confirm that the PAPER LED is lit. Check the document detection photosensor.
Confirm that the USB cable is properly
connected.
Connect the cable properly.
Confirm that the USB cable is properly
connected within the scanner.
Connect the cable properly.
Confirm that the appropriate model has been
specified.
Specify the correct scanner model.
Other Replace the main control board.
The document is not
transported properly.
Check for foreign objects in the document
scanning section.
Open the center cover and remove foreign
objects.
Confirm that the roller rotates when you
press a control key.
Check for anomalies around the control
boards.
Confirm that the feed motor is running. Check for anomalies around the motor.
Confirm that +24 V is output. Check the power supply and replace if
necessary.
Other Replace the control boards.
Replace the data control board.
The scanned data is
completely black.
Confirm that an appropriate white correction
value has been specified.
Perform Calibration (white correction).
Confirm that the image sensor cables are
properly connected.
Confirm that the image sensor cables are
properly connected, with no broken wires.
Confirm that the image sensor LEDs are lit. Check the +5 V power supply and replace it
if it is faulty.
Replace the data controller board.
Replace the CIS board.
Replace the image sensors.
Confirm that an appropriate value is specified
for “Intensity (Brightness)” in Scanning
Master 21+.
Adjust “Intensity (Brightness)” in Scanning
Master 21+.