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Troubleshooting
If a problem occurs while the unit is being used, first check the following items. If the unit still malfunctions, turn it
OFF, unplug the power cord and call for service.
Symptom
Possible Cause Remedy
The LCD does not display
when the power switch is
turned ON.
The power cord is not plugged in. Insert the power plug firmly.
A fuse has blown.
Pull out the power plug, then call for
service.
Foreign matter is lodged in the fan,
preventing it from rotating.
A double feeding problem
occurs.
The rollers are dirty.
Clean all of the rollers. (See page 36
through 38.)
The ADF / manual feed selector is not
set properly.
Adjust the ADF / manual feed selector.
(See page 33.)
Retard Roller is not installed correctly.
The document stops during
scanning.
The document is creased or torn, or
longer than A3 size or smaller than
48
a
70mm (1.9
a
2.75 in).
Make a copy of the document on paper
of the specified size [between
48
a
70mm (1.9
a
2.75 in.) and A3 size]
and scan the copy.
The document is jammed.
Refer to the next page when an error is
displayed.
(See pages 50 and 51.)
The document is not fed
smoothly during scanning.
The rollers are dirty.
Clean all of the rollers.
(See page 36 through 39.)
The scanned document is
blank.
The document to be scanned was
loaded face down (upside down).
Load the document correctly.
The scanned document is
skewed.
The document guides were not touching
the edges of the document, or the
document was skewed when loaded.
Set the document guides or the
document correctly.
Vertical lines appear on the
scanned document.
The sensor rollers, scanning section glass
or the rubber rollers are dirty.
Wipe the dirty parts with a clean cloth.
(See page 36 through 39.)
The computer does not
recognize the scanner. The
scanner does not operate
correctly.
The computer cannot recognize the
scanner.
Turn the computer OFF. Turn the scanner
ON, and then turn the computer ON again.
Confirm the SCSI ID, product ID and
terminator, and then set them correctly.
Use a shielded cable which is as short
as possible.
Reduce the SCSI transfer rate, and
then proceed. (See page 27.)
The scanned document is
faint.
The sensor rollers are dirty.
Clean the sensor rollers.
(See pages 38 through 39.)
The double feed detection
sensor is not operating.
There is dust from the paper on the
double feed detection sensor.
Please clean the double feed detection
sensor with the included blower. (Refer
to page 39.)