Canon iR3245, Service Manual

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Chapter 18
18-29
18.4.4 Downloading G3 FAX
18.4.4.1 Outline
0019-0097
iR3225 / iR3225N / iR3235 / iR3235N / iR3245 / iR3245N
Super G3FAX board (2 line, 2/3 line) comes with a control CPU and its system software 'G3FAX', which is downloaded by way of the main controller unit.
Download is only available in normal mode.
F-18-46
- G3FAX is not downloaded in a batch, and needs to be done separately.
- G3FAX cannot be downloaded twice consecutively. Once it is downloaded, G3FAX board is reset and download mode terminates.
- Do not turn OFF the power of this machine during download or while the machine is writing the downloaded system software.
If turning off the power, the machine fails to write the data to ROM DIMM on G3FAX board and the G3FAX board may not function normally.
If G3 FAX board does not function, replace ROM DIMM on G3FAX board.
- If a downloading session fails, you will have to replace the flash ROM DIMM.
MEMO:
System software (SYSTEM) on main controller controls the G3FAX (1 line).
iR ----
G3FAX
Service PC(SST)
Super G3 2nd Line FAX Board-AC1
Super G3 2nd /3rd Line FAX Board-AC1
Download
Downloading is possible only in normal mode.
G3FAX
(Flash ROM DIMM)
G3FAX
(Flash ROM DIMM)
Upgrading is also possible
by replacing the DIMM.
Main controller
unit
CPU
USB device
iR ----