Epson Expression 1680 - Manual (Page 106)

Maintenance and Troubleshooting 5-5
Command error
The scanner has received incorrect commands from your
scanning software.
When this error occurs, try to rescan the document. The scanner
returns to normal when it receives correct commands. Normally
you do not need to reset the scanner when this type of error
occurs.
Interface error
The interface setup is wrong or the scanner is not properly
connected to the computer.
When this error occurs, check the interface connection and then
push the
P operate button to turn the scanner off and then back
on again to reset it.
Fatal error
This type of error indicates one of the following problems:
❏ The fluorescent lamp needs to be replaced.
❏ The transportation lock lever is not released.
❏ The scanner is malfunctioning.
Check that the transportation lock lever is released and check any
installed options for problems. Next, turn the scanner off and then
back on again. If this does not solve the problem, consult your
dealer.
Option error
This indicates a problem with an installed option, such as a paper
jam, an empty document feeder, or an open cover.
Check the option and correct the cause of the problem.