Canon DR-7080C Instruction Manual page 93

G The Job function does not work when the [Start] key is pressed after
selecting a job, and [Scan Error] is displayed.
Cause 1: Another application is using the DR-7080C ISIS/TWAIN Driver.
Remedy 1: Close the other application that is using the DR-7080C ISIS/TWAIN
Driver.
Cause 2: Feeding is specified from the feeder, and a document is not
loaded in the feeder.
Remedy 2: Reload a document into the feeder.
G Cannot scan with USB cable connections.
Cause: The SCSI terminator has not been turned ON.
Remedy: For this scanner to operate normally, the SCSI terminator needs to
be turned ON even when using USB connections. Be sure to turn
ON the SCSI terminator. (See "Checking Your Operating
Environment," on p. 24.)
G The feeder does not close completely.
Cause: The feeder is in the book scanning position.
Remedy: Raise the feeder all the way, and then close it carefully and slowly.
(See "Positioning a Document on the flatbed (platen glass)," on
p. 51.)
6.5 Troubleshooting
87