Canon PIXMA TR4500 Series Online Manual page 178

• Color transmission
When faxing color documents using the ADF (Auto Document Feeder), selects whether to convert
them into black & white data if the recipient's fax device does not support color faxing.
If you select If incompatible, end, the printer does not send color documents when the recipient's fax
device does not support color faxing.
If you select If incompat., B&W, the printer send documents in black & white when the recipient's fax
device does not support color faxing.
• RX image reduction
Enables/disables automatic reduction of incoming faxes so that they fit in the selected paper.
If you select ON, you can select the image reduction direction.
• Adv. communication
◦ ECM TX
Selects whether to send faxes in Error Correction Mode (ECM).
Transmission/Reception of Faxes Using ECM
◦ ECM RX
Selects whether to receive faxes in Error Correction Mode (ECM).
Transmission/Reception of Faxes Using ECM
◦ TX start speed
Selects the fax transmission speed.
Ex:
The following settings are available.
33600 bps/14400 bps/9600 bps/4800 bps
The fax transmission start speed will be faster as the value is bigger.
Note
• The (asterisk) on the LCD indicates the current setting.
• Some of settings are not available depending on the country or region of purchase.
• When the telephone line condition or connection is poor, selecting a lower transmission start
speed may solve transmission problems.
◦ RX start speed
Selects the fax reception speed.
Ex:
The following settings are available.
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