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B Downloading Firmware
Loading Flash Memory
Flash memory is contained in in-line memory modules (SIMMs) located
on the CMX controller board. (Shown in the
Maintenance Manual.
)
Printer emulation and operating system software are loaded into flash
memory at the factory, but you will install software in the following
situations:
• You buy the IGP/PGL or Code V graphics option after the printer is
installed
• You need to upgrade printer software
• You need different emulation software
• You have replaced the controller board
Emulation and operating system software are stored as a compressed
file on a 3.5 inch, double-density floppy diskette. The file is
“executable”. You will expand it and copy it into printer flash memory
with a single command.
1. Make a printout of
all
saved configurations. (Refer to “Print Config.”
on page 72.) Installing new software erases all saved
configurations. You will use the printouts to restore printer
configuration.
2. Set the printer power switch to O (off).
3. Unplug the AC power cord from the printer.
4. If the printer's parallel data cable is connected to the parallel port of
an IBM or IBM-compatible computer using the PC-DOS™, MS-
DOS
®
, Windows
®
3.x or Windows 95 operating system, skip to step
8. If not, go to step 5.
5. Disconnect all data input cables from the printer interface.