RJ-901C/RJ-900C Maintenance Manual 7 Adjustment7-157.3.5 Firmware InstallationThis section describes the procedure to install the firmware.The NVRAM (Flash-Rom) on the main board assembly stores the programs (firmware) that control themachine operations.When performing the following maintenance works, always install the firmware.• Replacing the main board assembly• Updating the firmwareCAUTION• Installing wrong firmware may disable plotter startup. In this case, reinstallation withspecial jig is required. Pay careful attention to the transferred file types.(1) Firmware TransferThe following explains the procedure to transfer firmware.Follow the steps below.NOTEWhen connecting the plotter and PC on a one-to-one basis, use "crossover cable". When connectingthe plotter and PC via hub, use "straight cable".1. Click [Firmware Install].The "Select of installation file" window isdisplayed.
