Canon iR5000 Service Manual page 50

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CHAPTER 2 MAIN CONTROLLER

1.3 Start-Up Sequence

1.3.1 Outline

The system software used to control the machine is stored on the had disk drive (HDD).

The CPU on the main controller PCB is programmed to read the system software from the

hard disk and write it to the SDRAM mounted to the DIMM socket on the main controller

PCB. (For this reason, it will be a while before the control panel becomes ready after the

main power switch is turned on.

The control panel shows the following screen while the CPU writes the system software

to the SDRAM, and the progress of the start-up sequence is indicated by means of a bar on

Start-Up Screen

Progressive bar

2000 2000 2000 2000

CANON iR5000/iR6000 REV.0 JULY 2000

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