Ricoh IS450DE Operator's Manual page 50

TROUBLESHOOTING
The following table shows other possible problems that are not indicated by the
indicators, along with the actions you should take to correct them.
Condition
Scanner is not
turned on.
The scanner does
not work properly.
Frequent misfeeds
Scanned image
abnormalities
4-6
Action
Make sure that the power switch is on.
Make sure that the power cord is properly
plugged in to an appropriate power outlet.
Make sure the SCSI cable is connected
properly.
Check that the host computer is operating
correctly.
Make sure the SCSI ID is correct.
Make sure the DIP switches are set correctly.
Verify that you have the SCSI Terminator
attached correctly.
Check to make sure that rollers are clean.
Verify that the size and weight of the paper you
are using meets the paper specifications for the
Document Feeder .
Verify whether the paper is folded, wrinkled,
damp, or curled.
Check for any misfed paper or other foreign
objects in the scanner.
Verify that the page size setting is correct for the
paper contained in the feeder tray.
Clean or replace the roller set.
Check if the glass is dirty.
Check to make sure that rollers are clean.