Panasonic DP-8020E Service Manual page 480

Network Firmware Update Tool (LAN)
8. Verify that the information you want to update
is correct.
Then click [Next>].
Note: If "Send at once" is checked, all
firmware will be sent at once, and then
erase, write and reboot.
If "Send at once" is checked out, each
firmware (SC, PNL, SPC, etc...) are
transmitted separately, and each time
the unit erases, writes and reboots in
the normal mode.
This "Send at once", function cannot be
used if the model is DP-6010 / 4510 /
3510, firmware type is PCL or PS, and
the unit SC version is V1.xxxx.
9. Confirm the destination device(s) again.
Set timer communication if necessary.
Then click [Next>].
10. Data is transferred to the Spooler, and the
update is started.
The Spooler screen appears automatically
showing the progress of the data transfer.
The spooler will take time to open depending
on the number of addresses to update.
Page 14