- Confirm the Telephone Line is Functional
- Check Fax Cable is Correctly Inserted
- Reset Fax Defaults
- Replace Fax Cable if Available
- Disconnect other Devices
- Disable Error Correction Mode (ECM)
- Lower the Modem Speed (Baud Rate)
To confirm the telephone line is functional:
- Disconnect the fax cable from the the telephone wall socket.
- Using a telephone handset confirm outbound calls can be made and inbound calls answered.
- If unable to make/receive calls or there is excess noise on the line contact your service provider to resolve.
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Ensure the fax cable is securely connected to the socket marked "Fax" and the telephone wall socket.
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To reset fax defaults:
- Switch off the printer.
- Press and hold the Menu, Left Arrow and Right Arrow keys, with these keys still depressed switch the printer on.
- When prompted for "C.E Mode Password", press Up, Up, Tick/Select.
- Select "Fax/Scanner Diag".
- Select "Backup Data".
- Select "All Clear".
- When prompted select your country from the list.
- When "Completed" is displayed restart the printer and attempt to send or receive a fax.
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If an alternative fax cable is available, test using this.
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Other devices on the line may cause issues. Disconnect other devices such as telephone handsets, ADSL modems, card payment processing devices etc.
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To disable ECM:
- Switch off the printer.
- Press and hold the Up and Down arrows on the printer keypad.
- With the keys still depressed switch the power back on.
- Select "Fax/Scanner Diag".
- Select "Parameter".
- Select "Fax Parameter".
- Select "Capability ECM".
- Select "Disable". An asterisk will appear next to disable to indicate this option has been selected.
- Restart the printer and attempt to send or receive a fax.
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Ordered List
- Switch off the printer.
- Press and hold the Up and Down arrows on the printer keypad.
- With the keys still depressed switch the power back on.
- Select "Fax/Scanner Diag".
- Select "Parameter".
- Select "Fax Parameter".
- Select "G3M Baud Rate Fix".
- Select "9600bps". An asterisk will appear next to disable to indicate this option has been selected.
- Restart the printer and attempt to send or receive a fax.
- If successful at this speed try increasing the speed to find the maximum transmission rate possible.
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