Roland SOLJET Pro III XC-540 Service Notes page 151

The machine goes into the Firmware Upgrade mode
7
automatically.
When upgrade is completed, the Sub Power switch turns
off automatically.
HOW TO INSTALL FIRMWARE (Referential Time : 5 min)
This is required when a new Main Board without the firmware is installed.
Turn on the main power switch while pressing [
1
[ ],and [ ] keys.
Press [ENTER] key for the machine to be ready to receive the
2
firmware.
FIRMWARE
ERASING
WRITING
VERIFYING
COMPLETE
],
[ ] , [ ] , [
UPDATE FIRMWARE?
4-20
NG
V1.0 DATA ERROR
NG
DEVICE ERROR
NG
DEVICE ERROR
NG
DEVICE ERROR
] + MAIN POWER ON
UPDATE FIRMWARE?
[ ]
WAITING
000.000.000.000