4) If you want another downloading session, see the appropriate instructions.
5) When you are done, turn off and then on the main power (iR4570/3570, 2870/2270 Series).
6) See the status of upgrading indicated on the control panel (iR4570/3570, 2870/2270 Series). When a message
appears asking you to turn off and then on the machine, turn off and then on the main power (iR4570/3570, 2870/
2270 Series).
Be sure never to turn off the power while the machine is executing a downloading session or writing downloaded
software. Otherwise, the ongoing session will be suspended and the machine may fail to start up.
If the machine fails to start up, format BOOTDEV using HDFormat, and download such software as System,
Language, and RUI.
17.4.3 Downloading SDICT
17.4.3.1 Outline
iR2270 / iR2870 / iR3570 / iR4570 / iR3530
SDICT is a dictionary used when converting image data read by the reader unit into character code (OCR
processing). This function is used in conjunction with the PDF Generation Expansion Kit-B1.
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Chapter 17
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