My fax reads line in use

Under service mode, MENU and #, under clear, select all. After that you must reenter your settings ( fax no., line type,... )

Could the message be reading "TAD"? If you have an answering machine hooked up anywhere on the same line as the fax, you need to refer to page 16 of your manual. Set your answering machine to 2 rings and de-activate the toll saver mode. If you have a dedicated fax line without the TAD, set your fax recieving mode to fax only by pressing the MODE button under the LCD display untill fax only isindicated

If it runs thru a phone line- pickup the phone and hit start button - if not just hit start when you hear it ring

yes you can refill the #40 cartridge mfor the JX300 - but when you put it in you will get a message saying 'ink volume unknown' and it won't do anything and the yellow light on the machine will be blinking. - to solve this problem hold the stop button down till the count of ten and the machine will work normally except you will get no low ink warning
Tony Rae
Inkspot
London, Ontario Canada

make sure the phone jack is plugged in to the LINE input in the back. If this does not work try pressing the ON HOOK button and listen for dial tone.... If that does not work hook a regular phone the the phone line going to the fax machine and make a call checking that no static or pops are on the line ....Good Luck

Have you tried telling the printer that it is to be used as "telephone priority"
Press the "fax" button on printer, then "menu" button
Use the left or right arrow keys to key across to "Receive mode settings" then press OK
Use the up or down keys to select receive mode. You should make sure it is in "telephone priority" then press OK

Hope this helps

Fax display screen always reads, "Auto receive". When attempting to fax, the busy light flashes. Busy light stops flashing for 30 seconds, then starts flashing again.
Above is the default settings for the fax.

NGB0 indicates signal error or line condition error.
U need to check the phone line. U can hook any single line phone to the phone line, check for tones without background noise.

What exactly happens when a fax should be coming through and it does not? Does the machine ring and fail to answer, or does it answer, possibly receive, and then not print? Which mode is the machine set for? Are there any error messages on the machine or other LCD message displayed?

Have you verified the telephone line is properly connected so that the machine is able to communicate? Make sure that the machine is able to use the telephone line by using the handset to make a phone call. If this fails, you will know to go through the phone troubleshooting problems, just as you would with any other phone issues.

If the phone line is functional, please reply with more detail re exactly what occurs when a fax should be coming through, e.g. does the fax machine answer the call or let it ring until answered manually? I believe that either there is an issue with the line, or there is an issue with the setup of the mode for receiving, but can not be more specific without more information.

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Set the reception mode to Fax with answer machine TAD. Make sure its set for fax with answer machine.

It could be a compatibility issues between the two faxes. If the other fax is particularly old its communication speed could be too slow for your fax.

Also don't rule out the line on there end. Many times in my job I've had Telephone company's check the line remotely and say its ok but its not until they come out to site that they find an actual fault.

Do a manual reception. Put your fax reception mode from automatic to manual. When the fax rings in pick up the line with the hook or speaker phone button and then press the start button. This rules out a fair part of the line correction. If you can receive of course.