Question about Brother MFC 420CN All-In-One InkJet Printer

2 Answers

Brother Mfc 420cn says machine error AF

I have a brother mfc 420cn but it keeps displaying "unable to initialize" when i tried to know the error code, it displays "machine error AF" please help me out

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  • whitehorse jack
    whitehorse jack Oct 23, 2007

    ok thank you i will do just that and get back with the feed back



     

  • whitehorse jack
    whitehorse jack Oct 25, 2007

    thanks i did that but where can i find the main pcb? and what is the full name of pcb please help

  • MAURICIODJ Nov 13, 2007

    i recconet the flat cable but te messaje still apear "unable to init." thanks for your help....

  • suncitygary Dec 02, 2007

    brother 420cn displays error message unable to init.. It just started doing this. I have uninstalled and reinstalled the software and gone to brothers web sit to know avail

    Gary

  • cypher23 Jan 08, 2008

    I am also having the same problem. I inspected the flat cable and although it didn't look loose or have a poor connection to the PCB, I reset the connection anyway. It still displays "Unable to Init." Unable to scan/print/copy.

  • seven2oohsix Mar 26, 2009

    Did anyone find a solution to this problem? I have installed new cartridges, checked the connection on the white flat cable, turned off an on, unplugged and plugged back in. That is all I can think of. This is so aggravating. Thanks in advance.

  • Anonymous Mar 18, 2014

    Brother 420cn unable to intialiaze

  • Ed Wastrodowski
    Ed Wastrodowski Jun 10, 2016

    I had the message "unable to clean" and had to go into Maintenance Mode to reset the purge counter--maybe some such for y'all --http://fix-your-printer.blogspot.com/201... . It fixed my 420cn, even tho' that says 425cn.

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  • Master
  • 832 Answers

Open the small cover that hides the scanner flat cable. It has to be reconnected to the main pcb.

Posted on Oct 23, 2007

  • Mix-it-up
    Mix-it-up Nov 13, 2007

    You have to open the printer scanner cover as you would do to change the carts. Unlock the blue support and lean the scanner towards a support ("L") open the small cover which will be found in the middle and goes to the left side. Beneath that is a white flat cable which simply has to be fixed into the main circuitboard (= pcb = printer circuit board).


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Pcb actually means printed circut board

Posted on Jan 14, 2010

  • craig1302 Jan 14, 2010

    not much to say, basic stuff

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1 Answer

Brother mfc 420ch unable to inti


This ia a mechanical problem with the machine. Can be repaired.

Mar 09, 2010 | Brother MFC 420CN All-In-One InkJet...

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Brother MFC-420cn Message appears,


Hi you can try this is for your error and please call back and let us know if it worked for you so others can do the same.Solution:
  • Machine off
  • Switch on the machine while holding down the “menu”button until all the leds are flashing on/off. Now you are in “maintenance” mode.
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  • Press the “mono start” button several times until you see “purge: xxxx”
  • Press “2783” in order to reset the purge counter. You will see: “purge:0000”
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All the Best: Pineworks


Jan 30, 2010 | Brother MFC 420CN All-In-One InkJet...

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I have a brother mfc-420cn. I am getting a unable to clean messa


Do you mean "unable to clean"?If it this follow this instruction.
Unplug the printer from power cord.Press and hold the "menu" button, then plug the device.You'll see on the LCD screen a "machine error" code.If this code is 40,41 or 4F the print head is defective.If the error is 50 or 51 there is error in Purge unit and printer require service.If the error is 46 the waste ink tank is full.Follow this:Enter 80, then scroll down with the arrow down (round) key. You'll find an entry listed as purge count. If numberis over 6000, enter 2 7 8 3.This will reset the purge count value. Then restart the printer, hopefully without the annoying cannot clean message.

Nov 02, 2009 | Brother MFC 420CN All-In-One InkJet...

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Brother MFC 420cn "Cannot Init"


This is the Head Error 41

Error 41 means there is a major problem with the printhead, usually
requires a print head replacement.

My advice is to take it to a
Brother service centre while if it is under warranty.

If it's out of warranty they are usually a throw away job, the heads cost as much as the printer.

Sorry I know what it feels like, just have a go and see what you can do, clean the heads and so on.

All the Best and good luck: Pineworks

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press menu then start b/k copy then fourtimes arrow-up (tel.index). machine will be in maintenance mode. press start b/k copy: What two digit error code does the machine display? Post here again.

To leave the maintenance mode press 9 then 9.

Mar 07, 2008 | Brother MFC 420CN All-In-One InkJet...

1 Answer

Error message on my Brother MFC-420CN


press menu then start bk copy then fourtimes arrow-up button. Machine will switch to maintaenance mode. You may have to press start bk-copy. The machine will display an error code.

Error code starting with 4 is always a defective print head which needs replacing (except error 46: new waist ink tank needed).

In case it is another error code plz post here again.

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I have the same problem my printer (a MFC-215C) is unable to clean and when I press Menu/set I do not have "Black print"? So what do I do now?????? HELP... Thanks Nathalie

Nov 09, 2007 | Brother MFC 420CN All-In-One InkJet...

2 Answers

Will not initialize


Take it back to the dealer! Better do not fix that problem by opening the printer! If it is a second hand printer, write again here.

Aug 26, 2007 | Brother MFC 420CN All-In-One InkJet...

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