Brother HL-8050N Manuale Utente

5 - 13   TROUBLESHOOTING

The printer cannot print at all. 
Your PC shows the following 
error message:
'There was an error writing to 
LPT1: (or BRUSB) for the 
printer.'

■

Check that the printer cable is not damaged or broken. 

■

If you are using an interface-switching device, remove it. Connect your 
computer directly to your printer, and then try again.

Check that you have chosen the appropriate printer driver and ‘Set as 
default’.

The IP address 
changes when 
turning on the printer

Is the printer set to acquire an IP address 
through a DHCP server?

Set the IP address acquisition method to 
"Panel". See Quick Setup Guide.

Cannot use a web 
browser to manage 
the printer.

Is the printer off?

Press the I on the power switch to turn the 
printer on. 
See Turn the Printer On on page 1-5.

Is the Ethernet cable loose or 
disconnected?

Turn the printer off and check the Ethernet 
cable. If necessary, reconnect, then turn the 
printer back on.

Is the printer's Internet address correct?

Confirm that the printer Internet address is 
correct. If the problem persists, use an IP 
address to connect to the printer instead.

Is the printer's IP address correct?

The IP address might be set incorrectly. 
Ask your system administrator for the 
correct settings. 
Use the printer configuration list to confirm 
the current IP address.

Are you using a proxy server?

Certain proxy servers block access to the 
printer. 
Configure your Web browser so that it does 
not use the proxy server or set the address 
you want to access so that it does not go 
through the proxy server.

Is the port number correct?

The default port number is "80". Specify the 
correct port number.