Canon iR2030 Series Service Manual page 338

Chapter 16
13) When downloading starts, the progress of downloading is displayed by the progress bar.
Never turn off the power switch of the machine while the data is being written to the flash ROM. If it becomes impossible to start this machine after turning its
power switch off, the image processor PCB must be replaced.
14) When writing of the data to the Flash ROM is complete, its result is displayed. Click the OK button.
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