Printronix SL4M User Guide

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5
Downloading Software
Loading Flash Memory
Flash memory is contained in a SIMM (single in-line memory module) located 
on the controller PCBA. Printer control languages (the “emulations”) and 
printer operating system software are loaded into flash memory at the factory, 
but there are occasions when you may have to load this software:
You have replaced the controller PCBA
You have replaced flash memory
The customer needs to upgrade printer software
The customer needs different emulation software
The customer buys the PGL or VGL graphics language, the
CT option, the IPDS option, or the ethernet NIC (network interface card) 
option after the printer is installed
Emulation and operating system software are included as files on a CD that 
comes with the printer. You will copy the appropriate file from the
CD to a computer’s hard disk, then download the file from the computer into 
printer memory.
IMPORTANT
When downloading emulation and operating system software to the 
printer, all other optional fonts, customer-supplied logos, setup files, 
feature files, and TIFF files will be erased. You will then need to reload 
those files. Before starting a download procedure, be sure that you have 
all the necessary files on hand.
You can load software through the serial, parallel, USB, or ethernet port of the 
printer, and you can do it four ways:
You can load software through any printer port except USB by using the 
Firmware Download Utility included on the CD that comes with the printer. 
(See page 156.)
You can use a command prompt session to load software through the 
parallel port. (See page 157.)
If the printer has the NIC installed, you can load software through the 
ethernet port. (See page 158.)
You can use a command prompt session to load software through the 
USB port (See page 162.)