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UPGRADING THE NEW FIRMWARE TO A SINGLE PRINTER
You can send an .RFU upgrade to a printer at any time; the printer will wait for all I/O channels to become idle before cycling power.NOTE: If the firmware upgrade involves a change in the format of NVRAM, the NVRAM settings will be lost and must be set again by the customer.
The elapsed time for an upgrade depends on the I/O transfer time as well as the time that it takes for the printer to reinitialize. The I/O transfer time will depend on a number of things including the speed of the host computer sending the upgrade and the I/O method (FIR, parallel, or network).
The re-initialization time will depend on the specific hardware configuration of the printer, such as the number of EIO devices installed, the presence of external paper hand