HP Designjet 4000 Printer series - Manual (Page 175)

6. Also switch off the power switch at the rear of the printer.
7. Disconnect any cables connected to the printer.
8. Repack the printer in its original packaging.
How do I update my printer's firmware?
Your printer's various functions are controlled by software that resides in the printer,
otherwise known as firmware.
From time to time firmware updates will be available from Hewlett-Packard. These
updates increase your printer's functionality and enhance the features that your printer
already possesses. Firmware can be downloaded from the Internet and installed into
your printer using the Embedded Web Server's Firmware update page (found in the
Settings tab).
If you are unable to use the Embedded Web Server because you do not have a TCP/
IP connection to your printer (for instance, when using USB or Appletalk), you can
obtain firmware updates and installation software from these Web pages:
●
http://www.hp.com/support/designjet/fw4000/ or
● http://www.hp.com/support/designjet/fw4000ps/
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How
do
I maintain my printer?