Question about Brother MFC 7840W Printer

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Brother MFC 7840 W blank screen

Just bought a new MFC 7840. not yet connected to network just using it to scan and fax. started it and faxed couple docs. next day the lights went off so the printer went off and came back on but no display. tried evrything but cant see anything on the display just green blank background. Any help appreciated.

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  • MasonMcD Mar 24, 2009

    I have the same issue. For a while, I was able to unplug it, and hold down the "stop/cancel" button for 5 seconds after I plug it back in, but now that doesn't even work.

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6 Suggested Answers

snakehead
  • 1070 Answers

SOURCE: Brother MFC 420 CN

the brother printer is not a good brand i also have a brother mfc 3220cn and it gives the same problem, what you have to is unplug the machine and let it stand for about 2 days take out the cartridges and clean the printing with air replace back them and plug in.that should remedy your problem.i urge on you never to buy brother printers.if you buy them get a bottle of phensic along with it.good luck my brother.

Posted on Apr 04, 2007

  • 320 Answers

SOURCE: brother 7840 all in one--fax

using the adf feature face up good luck brother sr tech

Posted on Jan 24, 2009

BubbaGuru
  • 69 Answers

SOURCE: ! Unable to print 36

here is the solution according to brothers website
http://www.brother-usa.com/FAQs/Solution.aspx?FAQID=100000012648&Sympt=How+do+I+clear+error+message+Print+Unable+36%3f&Model=1208&ProductGroup=1&ProductID=HL4070CDW

Posted on Mar 23, 2009

  • 1 Answer

SOURCE: my fax BROTHER MFC-215C does not print after

The solution, finally, was very simple: To disconnect the mains voltage, for several days, from BROTHER MFC-215 .
After that, I was successful to receive and print the incoming faxes.

Thank you very much for your willing to help.
jacobr05

Posted on Apr 08, 2009

  • 468 Answers

SOURCE: how to scan with brother mfc 7840-w

Usually with new Brother mfc 7840-w you get also CD with PaperPort 11 LE. It is very good program for scanning and editing images.

Posted on Oct 24, 2009

  • 4090 Answers

SOURCE: Our MFC 7840 printer when faxing keeps saying

Depending on your location the line coulod well be poor quality for a sensitive fax. Any spurious sounds on a fax line will cause it to fault.
May I suggest you try the fax on the mainline first before assuming the unit is at fault.

Length of line from point a to b can also reduce the efficiency of signal. It may sound ok to the ear, but resistance may be the factor in reducing the level of the tone that the fax requires to hear and then activate send or receive.It reports poor line condition and even poor memory because it keeps loading to send.

If it does it on the mainline as well then I would be considering a technical call for help. There may be a fault in the unit.

please rwte my help++++Thanks for using FIXYA

Posted on Nov 24, 2009

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You can find the entire user manual by clicking here:
http://www.brother-usa.com/ModelDocuments/Consumer/Users%20Manual/UM_MFC_240C_EN_249.PDF

Or, here are the instructions for sending a fax:

Entering Fax mode 5

To enter fax mode, press (Fax), and
the key will glow green.

The LCD will show the new job number and
the memory available.The number of pages
you can scan into the memory will vary
depending on the data that is printed on them.

Faxing from the ADF 5
a Make sure you are in Fax mode .
b Put the document face down in the ADF.
c Dial the fax number using the dial pad.
d Press Black Start or Color Start.
The machine starts scanning the
document.

Note
• To cancel, press Stop/Exit.
• If the memory is full, the fax will be sent in
real time.

Faxing from the scanner glass5
You can use the scanner glass to fax pages
of a book one at a time. The documents can
be up to letter or A4 size.

You cannot send multiple pages for color
faxes.



Make sure you are in Fax mode .

Load your document on the scanner
glass.

Dial the fax number.

Press Black Start or Color Start.
If you press Black Start, the
machine starts scanning the first
page. Go to step e.

If you press Color Start, the
machine starts sending the
document.

Do one of the following:
To send a single page, press 2 to
choose No. (or press Black Start
again).
To send more than one page, press
1 to choose Yes and go to step f.

Put the next page on the scanner glass.

Press OK.
starts scanning the page.

.

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I have lines in the fax quality of my MFC 7840 N


Fax out or received copy ? Clean the scanner glass.

Dec 10, 2009 | Brother Printers & Copiers

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My Brother MFC490CW Fax M/c will only send one fax then reverts to scanner


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1 Answer

Our MFC 7840 printer when faxing keeps saying


Depending on your location the line coulod well be poor quality for a sensitive fax. Any spurious sounds on a fax line will cause it to fault.
May I suggest you try the fax on the mainline first before assuming the unit is at fault.

Length of line from point a to b can also reduce the efficiency of signal. It may sound ok to the ear, but resistance may be the factor in reducing the level of the tone that the fax requires to hear and then activate send or receive.It reports poor line condition and even poor memory because it keeps loading to send.

If it does it on the mainline as well then I would be considering a technical call for help. There may be a fault in the unit.

please rwte my help++++Thanks for using FIXYA

Nov 24, 2009 | Brother MFC 7840W Printer

1 Answer

How to scan with brother mfc 7840-w


Usually with new Brother mfc 7840-w you get also CD with PaperPort 11 LE. It is very good program for scanning and editing images.

Oct 24, 2009 | Brother MFC 7840W Printer

1 Answer

Not able to send fax to an eFax number


I've had the same problem before. I don't know if it will solve your problem directly but I can offer a work around or two.

1. I have an efax number but with a company called callwave.com , I fax stuff to other customers using callwave and my MFC 7820n completes each fax successfully. So if you can get yourself a callwave efax number you can fax to yourself and forward fax as an email to your intended party.

2. Or, you can use your mfc 7820n to scan your fax docs as a pdf directly to your computer and then emailing them to your intended party.

Unfortunately it might be a brother issue because at the office when I use the hp fax machine instead of the brother machine, the hp faxes to efax numbers without a problem.

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