Question about Brother MFC-5840CN All-In-One InkJet Printer

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Ricoh service tech. needing help with Brother MFC 5840cn

Customer has MFC5840 cn saying unable to init. .There is no paper what so ever jammed in the machine.Is this some thing I can reset in service mode or maybe some thing you have run into and know the prob..Any help would be greatly appr.Thanks thecopierteck@bellsouth.net

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  • JMEA Dec 31, 2008

    I have the same problem. Tried everything I could think of. Cleaned all the inside, reloaded the driver several times. Nothing solved the problem. I can scan and fax but cannot print or photocopy. I noticed that if I put a piece of paper in the feeder, the message goes away as the paper closes a small switch that senses there is a piece of paper in the feeder (the feeder works fine and allows me to scan, but not using PaperPort, though). I am at a loss and would welcome some suggestions as to what to do, besides buying a new printer. John

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No tuwn the machine off and unplug then turn the machine on it will reboot

Posted on Jan 13, 2009

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My brother 5840CN. lit says unable to print. the manual says to take the jam out - there was no jam. Turn it off, then on. i did that. It still says unable to print, look at troubleshooting page


errr.....No, no it does not. The Manual says that "unable to clean" means one of two things.....
1. The MFC has a mechanical problem.-OR-2. A foreign obstacle, such as a clip or ripped paper, is in the MFC.
but regardless, I don't believe it *IS* a 'cleaning' problem per se.Try resetting the power purge counter.



Press menu > Mono Start > 4x Arrow up after another. All lights will flash.
1. Power clean - Press 7>6>4 >Mono? Start.
2. Power Purge: 7>6 >3 >Mono Start.
Press 9>9 to exit maintenance mode. Run a print quality test print.
http://www.brotherprinterrepair.com/cleaning-a-brother-mfc-420cn-printer-head/


Tallon41

Sep 16, 2012 | Brother MFC-5840CN All-In-One InkJet...

1 Answer

My brother printer is saying 'Unable to Init.'


This error message is sometimes due to foreign material under the printhead path or underneath where the printhead stops or parks.

Unplug the unit. Open the cover. Use a flashlight if necessary and carefully inspect the area underneath the printhead path. If the printhead is stopped or parked, gently move it enough to look at the area underneath. Common items are little bits of paper, staples, paperclips, push pins etc. Remove any foreign material.

Close cover. Plug in the machine.





Jan 21, 2010 | Brother MFC-5840CN All-In-One InkJet...

1 Answer

Unable to init.


If there is no jam it is generally a mechanical issue such as...

1. The planetary arm assembly not engaged correctly
2. Ink cartridge/purge switch harness not connected correctly
3. Purge cam switch broken
4. Gear(s) on maintenance unit broken
5. Paper feed motor broken
6. Main PCB defective

I find that if there was a paper jam, and the user pulled the paper out, option 4 is most likely. It is the smallest of cracks but ruins everything!

You will need to contact your local ASC for repair, find it here.
Thank you for using FixYa! – Don’t forget to rate our service.

Dec 20, 2009 | Brother MFC-5840CN All-In-One InkJet...

1 Answer

Unable to initialized


"Unable to Init" indicates a mechanical error, unless you're able to find a stuck paper or parts of a stuck paper or similar, you'll have to send the unit to service to have it fixed.

Jun 03, 2009 | Brother MFC-5840CN All-In-One InkJet...

1 Answer

My screen says unable to init. check manuel


Try cleaning the rollers located around the paper feed and making sure there is no obtructions in the way of the paper.

May 07, 2009 | Brother MFC-5840CN All-In-One InkJet...

1 Answer

Unable to clean


are u usin oem brother ink or generic? generic will not work

Jan 04, 2009 | Brother MFC-5840CN All-In-One InkJet...

1 Answer

Print Unable 50 Brother MFC5460 CN


So dont let me be a withness of murderer:
There is no paper sicking within the machine! The jam had lifted the encoder strip out of the ph. After you have fixed it simppy stick some very thin scotch tape onto the ph cover to avoid further liftings (that will happen quite often...)

same issue: (change the viwing size of your browser to enlage the pics)
http://www.fixya.com/support/t211210-brother_mfc845cw

Mar 17, 2008 | Brother MFC-5840CN All-In-One InkJet...

1 Answer

Print function stopped working. Brother MFC 5840CN


First things first:

press menu then start bk-copy then fourtimes arrow-up button. machine will display an error code no. plz post AS A NEW POST again.

BTW: The update has nothing to do with the stopping of the machine!

Jan 10, 2008 | Brother MFC-5840CN All-In-One InkJet...

2 Answers

UNABLE TO INIT


MENU * 2864 VERY QUICKLY TAKES YOU TO MAINTANENCE MODE, ALL LIGHS FLASH... PRESS 82 SET, YOUR ERROR CODE WILL DISPLAY. THAT IS NEXT STEP.!!!!

Nov 16, 2007 | Brother MFC-5840CN All-In-One InkJet...

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