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Troubleshooting
If a problem occurs while the unit is being used, check the following items and check the scanner status by User Utility.
If the unit still malfunctions, turn it OFF, unplug the power cord and call for service.
Symptom
Possible Cause
Remedy
The LED does not light when the power
switch is turned ON.
Problem with the AC outlet.
Check and reset the circuit breaker.
The power cord is not plugged in.
Insert the power plug firmly.
Problem with power supply.
Disconnect the scanner from the elec-
tric outlet and call for service.
The computer does not recognize the
scanner.
The scanner is not connected to the
computer correctly.
Connect the cables correctly.
The scanner is not registered correctly.
Uninstall the scanner from PC.
Register the scanner hardware again.
(See
SCSI connection
The computer cannot recognize the
SCSI card.
Check your computer whether the SCSI
card is installed correctly using the
device manager’s property.
The same ID number is used for the
scanner and the other device.
Use the different SCSI ID numbers for
each devices.
The terminator is not set correctly.
If the scanner is the last device in the
SCSI chain, set the DIP switch of SCSI
terminator to Enable.
If the scanner is not the last device in
the SCSI chain, set the DIP switch of
SCSI terminator to Disable.
The scanner was turned on after the
computer was turned on.
Turn the computer OFF. Turn the scan-
ner ON, and then turn the computer ON
again.
USB connection
The USB interface of the computer is
not installed correctly.
Check the computer whether the USB
interface of your computer is correctly
using the device manager’s property.
The scanner is connected via USB hub.
Do not connect via USB hub.
The cable without High-Seed logo is
used.
Use the cable with High-Speed logo.
Scan speed is slow at USB connection.
The scanner is connected with USB
1.1.
Connect with USB 2.0.
The ADF does not open when the ADF
door release is pushed.
The ADF door is not closed properly.
Push the ADF door release again after
you close the ADF door until it is locked.
The document has been loaded on the
feed tray. But the scanner does not start
scanning.
The document is not loaded properly.
Load the document correctly.
(See
The sensor cannot detect the document
as the edge of the document is curled.
Flatten the document and load it again.
The sensors or reflector sheets are
dirty.
Clean the sensors and reflector sheets.
(See