Brother HL-8050N - Manual (Page 109)

5 - 3 TROUBLESHOOTING
Printing Problems
Indicators are On, Flashing or Off
Symptom Possible Cause Action
The Alarm LED is on Is there an error message on the control
panel display?
Check the message and rectify the error
accordingly.
See What to Do When an Error Message
Appears on page 5-15.
The Ready LED is off Is the control panel display on the menu
screen?
Press the Menu buttons on the control
panel to go back to the READY state.
See Buttons on page 4-2.
The Ready LED is
not on or is not
flashing after
executing the print
command Is the parallel, USB, or Ethernet interface
cable loose or disconnected? Turn the printer off and check the interface
cable. If necessary, reconnect.
Does the parallel, USB, or Ethernet
interface cable meet the required printer
specifications? Use only the recommended parallel or USB
interface cables for the printer.
10Base-T and 100Base-TX Ethernet
interface cables are compatible with the
printer. Use twisted pair cables suitable for
network connections. A Category 5
100Base-TX is required.
Is the computer configured correctly? Check the following settings on your
computer and reconfigure any that are not
correct.
• Make sure that the appropriate printer
driver for your operating system is
installed.
• Make sure that the port is set correctly in
the printer driver.
Is the printer IP address correct? (When
using TCP/IP.) Call your system administrator to obtain a
valid IP address. Use the printer
configuration list to confirm the IP address.
The Ready LED is
not on or is not
flashing after
executing the print
command Is the printer properly configured for use
through a network? (When on a network.) Print the printer configuration list to check
the network settings.
Correct any in appropriate settings.
See the Network User's Guide on the
CD-ROM.
The network has a problem. (When on a
network). Check that the printer is on and execute the
print command from the computer one
more time.
If the problem persists, call your system
administrator.
Is the printer off? Press the I on the power switch to turn the
printer on.
See Turning the Printer On and Off on page
1-5.
Printouts are not
output from the
Printer even though
the Ready LED is on
or flashing There may be data remaining in the printer. Cancel printing or force the remaining data
to be printed out.
See Job Cancel Button on page 4-2