Downloading Model 003 Microcode From Your Computer Into The Flash Memory - IBM 4247 Maintenance Information

Downloading Model 003 Microcode from your computer into the flash
memory
Before flashing the memory of the 4247:
Print the 4247 Custom Set Information using the Test key and Print Custom Set function. Mark the printout as
'Before'.
DANGER
To prevent serious personal injury from electrical shock when connecting or disconnecting the interface
cable, set the printer power switch to O (Off) and unplug the power cord.
DANGER
Do not connect or disconnect any communication port, teleport, attachment connector, or power cord
during an electrical storm.
1. Power-off the printer.
2. Attach a standard parallel cable from the port on the computer to the 4247. If the printer is using an Ethernet
LAN card, remove the LAN attachment card to gain access to the parallel port. You can leave the attachment
card slot open until you have completed downloading the code.
3. Hold down both the Start and Cancel keys on the 4247 and power-on the printer.
4. You can release these 2 keys when the following message is on the 4247 display:
Appendix C. Flashing the Memory of the Model 003
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