Canon iR3245 Series Service Manual page 706

Chapter 18
3) If a twisted pair cross cable is connected to the machine, disconnect it.
4) Start the machine in appropriate download mode.
- In case of normal mode
While pressing 1 and 7 simultaneously, turn ON the main power switch.
After the machine starts up, select: COPIER> FUNCTION> SYSTEM> DOWNLOAD in service mode and press [OK].
- In case of safe mode
While pressing 2 + 8 simultaneously, turn ON the main power switch.
See the following menu appearing on the control panel, indicating that the machine has recognized the presence of a USB device (The figure represents the
normal mode).
The machine may not recognize a USB device depending on manufacturers or types.
This machine continues to search a USB device up to 60 sec at the maximum after power-ON and if it cannot recognize anything, the foregoing menu will not be
displayed.
If such is the case, obtain an appropriate USB device.
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