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176 10 - Maintaining and troubleshooting ENWW
z
Check the surge-protection device, if one is being used
• A surge-protection device is used between the jack in the wall and the all-in-one to
protect the all-in-one against electrical power that might pass through the phone lines.
Surge-protection devices can cause some fax communication problems by degrading
the quality of the phone signal. If you are having problems sending or receiving faxes
and are using one of these devices, connect the all-in-one directly to the phone jack on
the wall to determine if the problem is with the surge-protection device.
The original stops feeding in the middle of faxing
z Check the original
• The original might be too long for the ADF. Faxing of a long page stops at 381 mm
(15 inches). See Supported media sizes for more information.
CAUTION Do not try to pull the original from the ADF; you might damage the scanner or your original.
See Clearing jams in the ADF for instructions.
• The original might be too small. The original might be jammed. See Supported media
sizes and Clearing jams for more information.
z Check the all-in-one
• The all-in-one might be jammed. Check for jams. Clear any jam that exists and resend
the job. See Clearing jams for more information.
• If you are duplexing the fax from the ADF, make sure that you are using a supported
page size for the ADF. Duplexing with legal-size paper is not supported. Make the fax
single-sided. If you are faxing double-sided on the scanner glass with the realtime
setting, the all-in-one prompts when you need to turn the original over to scan the
second side.
z Check the receiving fax machine
• Problems might exist with the fax machine that you are sending to. Call the recipient to
make sure that the fax machine is on and functioning correctly.
• Try sending to a different fax machine.
z Check the phone line
• Disconnect the all-in-one from the phone jack and connect a phone. Try to make a
phone call to make sure that the phone line is working.
• If you are using a private network, use the procedure for monitoring the dialing instead.
See Monitoring the dialing for more information.
The all-in-one is receiving faxes but not sending them
z Check the setup
• If the all-in-one is on a Private Branch Exchange (PBX) system, the PBX system might
be generating a dial tone that the all-in-one cannot detect. Use the procedure for
monitoring the dialing instead. See Monitoring the dialing for more information.
z Check the phone connection
• The connection for the phone line might be temporarily poor. Try sending the fax later.
z Check the phone line
• Disconnect the all-in-one from the phone jack and connect a phone. Try to make a
phone call to make sure that the phone line is working.