Chapter 1717-15F-17-263) When the result of the downloading session has appeared, click [OK].F-17-274) 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 themachine, 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 besuspended 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 SDICT17.4.3.1 Outline 0009-0391iR2270 / iR2870 / iR3570 / iR4570 / / iR2270N / / iR2870N / / iR3570N / / iR4570N / iR2230 / / / 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 thePDF Generation Expansion Kit-B1.17.4.3.2 Downloading Procedure 0008-7842iR2270 / iR2870 / iR3570 / iR4570 / / iR2270N / / iR2870N / / iR3570N / / iR4570N / iR2230 / / / iR3530 /You can run a downloading session in either normal or safe mode.1) Select the version of SDICT to download.