COPYRIGHT © 2001 CANON INC. 2000 2000 2000 2000 NM-PDL REV.0 JULY 2001CHAPTER 4 DISASSEMBLY/ASSEMBLY4-365 Installing the System SoftwareThe iR-M1’s system software is stored on the HDD, requiring writing of the system soft-ware from an external source to the HDD whenever the HDD is replaced or the system soft-ware is installed or upgraded.The Download Tool is a program used to download system software from a PC to theBoard. The program used to write system software (obtained from a PC through the parallelport) to the HDD is stored in the flash ROM of the Board.5.1 Download Tool5.1.1 OutlineThe Download Tool is made available in the form of a self-decompressing file. To installthe system software, it is first necessary to install the Download Tool to a PC.After installing the Download Tool, select the system software to install using the Tool,thereby starting downloading.