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Downloading Software Through the Serial or Parallel Port
33
• Serial or Parallel Port: If you are going to load memory through the
serial or parallel port of the printer, see “Downloading Software Through
the Serial or Parallel Port” on page 33.. The load commands are different,
depending on the printer port you use. These differences are explained in
the note following step 22., page 36.
• NIC: If the printer has the NIC installed, see “Downloading Software
Through the Network Interface Card (NIC)” on page 37.
• Font Files: If you need to load optional font files, see “Downloading
Optional Font Files to Flash Memory” on page 39.
Downloading Software Through the Serial
or Parallel Port
1. Make a printout of all saved configurations. (Installing new software
erases all saved configurations. You will use the printouts to restore the
printer configurations.)
2. Set the printer power switch to O (Off).
3. If the printer is already connected to the serial or parallel port of an
IBM-compatible computer running the PC-DOS™ or MS-DOS operating
system, go to step 9. If not, go to step 4.
4. Unplug the AC power cord from the printer.
5. Disconnect all data input cables from the printer interfaces.
6. Connect a parallel data cable to the LPT1 port or a serial data cable to the
COM1 port of an IBM-compatible computer running the PC-DOS or
MS-DOS operating system.
7. Connect the data cable to the appropriate I/O port of the printer.
8. Plug the AC power cord into the printer.
9. On the printer control panel, press and hold down the ONLINE + PAPER
ADVANCE keys. Without releasing the keys, power the printer on.
Continue holding down the keys.
10. When you see “TESTING HARDWARE PLEASE WAIT” on the LCD,
release the keys.
11. Wait until you see “WAITING FOR PROGRAM DOWNLOAD” on the LCD
before proceeding. This can take up to 30 seconds to appear, depending
on the emulations and interfaces installed in the printer.
12. Press the
⇒ (NEXT) key. “SELECT DOWNLOAD
PORT=CENTRONICS” appears on the LCD.
Note You can connect the cable to the LPT2 port if the LPT1 port is already in
use. The load commands are different if you use this port, as described in
the note after step 22.