Brother ADS-2400N User Manual page 272

Troubleshooting
Error message
Document Jam/
Too Long
Multifeed
detection
Unusable Device
Unusable
USB Device
USB Hub
Not Supported
Insufficient USB
Storage
USB Access Error
USB Write-protected The inserted USB flash drive is
Too Many Files on
USB
Cause
 The Paper Guides are not set to
the correct document size.
 The settings are not suitable for
your document.
 Paper dust has accumulated on
the surface of the pick-up roller or
reverse roller.
Multiple pages were fed at the same
time.
An unusable device is inserted in the
USB port.
An unsupported USB device is
inserted in the USB port.
A hub or USB flash drive with a hub is
inserted in the USB port.
The inserted USB flash drive is full.
The USB flash drive was removed
while it was being accessed.
write-protected.
Your machine cannot save to a USB
flash drive if it contains too many files.
Action
Clear the document jam (see Document Jam
on page 259), and then do the following:
 Adjust the Paper Guides to fit the width of the
document. If Scan Size is set to Auto and you are
scanning a document that contains multiple
page sizes, insert narrow pages straight and as
close to the centre of the machine as possible.
If you are not feeding the document straight,
use Continuous Scanning.
 Confirm the settings. See Important in Document
Jam on page 259.
 Clean the pick-up roller and reverse roller. See
Clean the Scanner and Rollers on page 235.
Clear the multifeed. See Document Jam
on page 259.
Disconnect the device. Turn the machine off and then
on by unplugging the machine from the AC electrical
socket, and then plugging the machine in again.
Remove the unsupported USB device, such as a
mouse or mobile device that does not support USB
flash drive mode, from the USB port.
Remove the unsupported device, such as a USB hub
or USB flash drive with a hub, from the USB port.
Press any button (ADS-2400N / ADS-3000N) or
Close (ADS-2800W / ADS-3600W), and then do one
of the following:
Delete unused files or folders from the USB flash

drive, and then try again.
Use a USB flash drive that has available space.

Press any button (ADS-2400N / ADS-3000N) or
Close (ADS-2800W / ADS-3600W).
Remove the write-protected USB flash drive, press
any button (ADS-2400N / ADS-3000N) or
Close (ADS-2800W / ADS-3600W), and then do
one of the following:
Turn the USB flash drive's write-protection off,

and then try again.
 Use a USB flash drive that is not write-protected.
Remove the USB flash drive, press any button
(ADS-2400N / ADS-3000N) or
ADS-3600W). Delete unused files or folders from
the root folder of the USB flash drive, and then try
again.
10
(ADS-2800W /
257