Question about Brother MFC 9700 All-In-One Laser Printer

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Former assistant dismantled Bro MFC-9700 in order to replace the fuser, BUT FAILED to mark, code, diagram or otherwise identify the plug connections (primarily 4-pin) to the circuit board at the rear, upper section of the unit.Does anyone out there happen to have a Wiring Diagram, or at least a Connection for the MFC-9700? PLEASE!! Unfortunately, this Printer belongs to my WIFE's Attorney! Soo, you can just imagine the PRESSURE! Thanks! --- Ted.

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  • Brother Master
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Here is a link to the service manual. I downloaded it to my hard drive (since I do printer repairs).
Click on download link. On the next page, click on free user. Then let the timer time out. You will see a download button. Save it to your drive. Then extract it, you will have to put the password:
printer1.blogspot.com in the box when asked.

http://printer1.blogspot.com/2008/12/brother-mfc-9700-service-manual.html


Click on this link or copy and paste the complete link into your browser.
If I could be of further assistance, let me know. If this helps or solves the issue, please rate it.
Thanks, Joe

Posted on Jan 11, 2009

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  • Master
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2 Answers

What battery is inside the mfc 9700 and how do i replace it? I am referring to the battery that keeps the time and date if the machine is shut off.


I ran a search for the "Battery" in the service manual. It does not have a battery. The Time and Date clock function is control by an IC chip EEPROM on the main logic board.

Perform a Google search for the MFC 9700 service manual and the link will pop up,

If I could be of further assistance, let me know. If this helps or solves the issue, please rate it and give a testimonial for my response

Thanks, Joe

May 30, 2011 | Brother MFC 9700 All-In-One Laser Printer

Tip

Brother MFC 8440 showing error code MACHINE ERROR 6A or 6E


Hi.

Both errors are signalling a temperature problem in fuser assembly.

The solution below applies to several Brother models. Depending on the model, the reset procedure may be different.

Brother Error 6A means that the thermistor located in the fuser assembly did not detect that required temperature had been reached in valid time.

First you can try entering in maintenancemode and clearing the error. If that does not work, that means that the thermistor, the lamp, or the whole fuser assembly must be replaced.

Error 6E is similar. 6E is diplayed when thermistor detect that the fuser temperature is not going up at least at 2°C every for 5 seconds.

As for 6A, first reset the code. If the error does not clear the fault can concern the thermistor, the fuser lamp or the power supply to the fuser assembly.

To reset the error code follows these steps:

1. Press MENU *,2,8,6,4 . Press keys within 2 seconds.
2. The machine beeps and display shows “maintenance".
3. Look for Init or Reset on menu, and enter the corresponding parameter.
4. To exit press 99.

This procedure above usually works on MFC-8xxx model. On other models you may need to do the following:

1) Unplug machine.
2) Hold down menu key. Plug in machine.
3) Release menu key.
4) Enter 91
5) Enter 99

or:

1) Disconnect the printer power cord.
2) Hold down the menu key while plugging in machine at same time.
3) Enter 99 while holding down menu key
4) After menu says " wait" push the stop/exit button to get out of the maintenance mode.


If that does not work, it means that the fuser assembly must be replaced. Here the part for MFC-8440: Genuine Brother Mfc8440 Fuser Assembly.


Regards.

on Apr 08, 2010 | Brother MFC 8440 All-In-One Laser Printer

2 Answers

Mfc 8480dn error code 78


error code 78 is a fuser error. You will need to replace the fuser with a new one.

May 04, 2011 | Brother MFC-8480DN All-In-One Laser...

1 Answer

I have a smudged line down every page. Replaced toner, replaced drum - now what can I clean?


open the back cover and see if there is any mark on the fuser hot roller. if the fuser hot roller is damaged the mark will appear on the page.

Jan 08, 2011 | Brother MFC 7420 All-In-One Laser Printer

1 Answer

I can not find the power switch on the Brother 9700 MFC


get the manual from here.

see the diagram on page 36.

Mark the problem as solved.

Cheers!

Aug 01, 2010 | Brother MFC 9700 All-In-One Laser Printer

1 Answer

MAchine error 72 on the brother MFC 9700.


this code say that Cannot detect Beam Detect signal
u should call an engineer or if u wish to try ur self try
replace the toner and drum. verifie cables were pluged in correctly. clean sensors
good day

Jun 02, 2010 | Brother MFC 9700 All-In-One Laser Printer

1 Answer

Brother MFC-9700 Machine Error 71


71 says the fuser unit is not installed, it means the fuser lamp is burned out, or the temp. sensors are bad. In either case the best repair is a new fuser which you'll find at www.precisionroller.com

Jan 18, 2010 | Brother MFC 9700 All-In-One Laser Printer

1 Answer

Fuser problem with Brother MFC 9420CN laser all in one


Unplug the printer and allow it to cool.  Then gently wipe off the surface of the photo-sensitive drum with a cotton swab.  If this doesn't work you may need to replace the drum.

Nov 20, 2008 | Brother MFC-9420CN All-In-One Laser...

2 Answers

76 error on brother 8840d


the error code should reset after replacment. If it did not you may have a bad fuser or all connectors to the fuser are not connected or are bad or you may have a bad logic or power pcb.
Hope that helps...

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1 Answer

Fuser MFC 9420CN


The fuser replacement interval is 60,000 prints . The machine will print indefinately otherwise.The message is just a reminder.

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