Recommended action
Turn the product off, remove the unsupported trays, and then turn the product on.
Unsupported USB accessory detected Remove USB accessory
Description
A non-supported USB accessory has been connected.
Recommended action
Turn the product off, remove the USB accessory, and then turn the product on.
Upgrade Error
Description
There was a scanner control board (SCB) upgrade error.
Recommended action
1. Turn the product off, and then on.
2. Resend the upgrade.
3. If the error persists, replace the SCB.
USB accessory not functional
Description
A parameter in the USB accessory is not functioning correctly.
Recommended action
1. Turn the product off.
2. Remove the USB accessory.
3. Insert a replacement USB accessory.
4. Turn the product on.
USB hubs are not fully supported Some operations may not work properly
Description
Some USB hubs require more power than the product has available.
Recommended action
Remove the USB hub.
USB is write protected To clear touch “OK”
Description
The USB device is write protected and no new files can be written to it.
426 Chapter 2 Solve problems ENWW