Cannot Detect - Brother MFC-J3930DW Online User's Manual

Error Message

Cannot Detect

Comm.Error
Connection Error
Connection Failed
Cover is Open.
Data Remaining in
Memory
Disconnected
Cause
You installed a new ink cartridge too
quickly and the machine did not detect it.
An ink cartridge is not installed correctly.
A used ink cartridge was reinstalled.
If you are using non Brother Original ink,
the machine may not detect the ink
cartridge.
The ink cartridge must be replaced.
The new ink cartridge has an air bubble.
The wrong Brother model ink cartridge
was installed.
Poor telephone line quality caused a
communication error.
Other devices are trying to connect to the
Wi-Fi Direct network at the same time.
The Brother machine and your mobile
device cannot communicate during the
Wi-Fi Direct network configuration.
The scanner cover is not locked in the
closed position.
The ink cartridge cover is not locked in the
closed position.
Print data is left in the machine's memory. Press
The other person or other person's fax
machine stopped the call.
Action
Take out the new ink cartridge and
reinstall it slowly and firmly until it locks
into place.
See Related Information: Replace the Ink
Cartridges.
Remove the used ink cartridge and install
a new one.
Replace the cartridge with a Brother
Original ink cartridge. If the error message
remains, contact Brother customer service
or your local Brother dealer.
Replace the cartridge with a Brother
Original ink cartridge.
Slowly turn the ink cartridge so that the
ink supply port is pointing downwards,
and then reinstall the cartridge.
Check the model numbers of the ink
cartridges and install the correct ink
cartridges.
Send the fax again or connect the
machine to another telephone line. If the
problem continues, contact the telephone
company and ask them to check your
telephone line.
Make sure there are no other devices
trying to connect to the Wi-Fi Direct
network, and then try to configure the Wi-
Fi Direct settings again.
• Move the mobile device closer to your
Brother machine.
• Move your Brother machine and the
mobile device to an obstruction-free
area.
• If you are using the PIN Method of
WPS, make sure you have entered the
correct PIN.
Lift the scanner cover and then close it
again.
Make sure the telephone line cord and
interface cable (if used) have been guided
correctly through the cable channel and
out the back of the machine.
Firmly close the ink cartridge cover until it
locks into place.
. The machine will cancel the
job and clear it from the memory. Try to
print again.
Try to send or receive again.
If calls are stopped repeatedly and you
are using a VoIP (Voice over IP) system,
try changing the Compatibility to Basic (for
VoIP).
See Related Information: Telephone Line
Interference/VoIP.
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