Question about HP OfficeJet Pro L7580 Color All-in-One Printer

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Cannot receive faxes

All of a sudden we cannot receive faxes. When someone tries to fax the message "phone off hook" flashes. Have reset machine, checked phone lines etc. Lost power due to storm, but we have a surge protector. It seems the problem happened right after the outage.

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  • 133 Answers

The storm has likely damaged the phone line, or the ADSL microfilter (if you have one). Which is why it thinks a phone on the fax line is off the hook. Check your line for breaks and your ADSL filters for a blown filter.

Posted on Sep 18, 2007

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Posted on Jan 02, 2017

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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.

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Using a cell phone, call your fax machine to see if the fax answers. If it does answer, then hang up the cell phone and fax. Next, using the HOOK button on your fax, call your cell phone . The cell phone should ring and answer the phone call from the fax. If you do not get a connection between the fax and cell, try these: Check that the phone line to the fax is plugged into the LINE jack on the fax, NOT THE PHONE jack. The PHONE jack on the fax is to plug in a TELEPHONE ONLY. If the fax phone line is OK, go into your fax machines' RECEIVE and SEND settings and make sure they are set up properly (pulse or tone dialing, overseas mode, etc.) Print out the HELP LIST as follows: Press MENU button, then 5 on keyboard, then 1 on keyboard. Go through all the settings on the HELP LIST that apply to your problem. (Send and Receive modes, Ring Delay, Receive Options,etc.) Write down the original settings BEFORE YOU CHANGE ANY OF THEM.

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90 percent of the time that is a phone line issue.
But, first thing to look at is see if someone has removed the phone line and placed the line into the extension of phone jack and not the one marked "line"
You may simply need to replace the phone line between the machine and jack.
Yes you may hear a dial tone, etc etc, but you are losing one of 3 things. Either some of the phone line voltage, phone line current or what is called decibel loss.
When you send, you make the phone connection like lifting the phone off the receiver, but the signal to receive must be strong enough for it to key the fax board modem to receive.
If you have another device plugged in on the same phone line. Try removig that item, ex, an answering maching, Credit card machine etc and see if it is interfering with receiving also.
There is a high percentage the phone line is the issue.
Some things to check on the machine itself. Make sure Junk Fax setting is OFF, Make sure ECM ( error correction mode) is ON. Make sure Secure Receive is OFF and manual receive is OFF. Those will be in your machine setups.
The Junk fax setting will stop almost all incomming faxes.
It is less likely a software corruption issue. But that is remotely possible.
Let me know please, Some other obsecure things that can cause this. But I think you will find one of the posted things will resolve your issue.

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Call your cell phone from the fax machine and check the caller ID to make sure that it is the correct number for your fax machine. Next, call the fax machine from you cell phone, and make sure the fax machine rings. Problems like these are almost always a phone line issue, not the machine.

Don't forget to rate your solutions please.

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CHECK 1.DO YOU GET DIAL TONE ON -ON HOOK DIAL BUTTON OR ON THE HANDSET ? IF NOT PLS CHECK THE PHONE LINE OTHERWISE--- 2.TRY RINGING THE MACHINE FROM OTHER PHONE,CAN U HEAR THE RING ? IF YES ,PLS CHECK WHAT NOS OF RINGS ,THE MACHINE IS SET TO RECEIVE, AS WELL AS SET THE CORRECT RECEIVE MODE , I.E. FAX /TEL/ANS-FAX... 3 IF U STILL DON'T GET FAX TONE WHILE RECEVING ,THEN TELEPHONE LINE CARD SHOULD BE BAD... TRY REPLACING TEH SAME ,SHOULD RESOLVE THE PROBLEM. HAPPY FAXING OMNIPRESENT HAPPY FAXING

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