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

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Unable to clean

Hi I have the brother mfc5840-cn and it reads unable to clean. I have pulled out and placved the ink cartridges back in the printer, I have turned it on and off. Do you have any ideas?

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

Posted on Jan 13, 2009

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New FULL ink cartridge empties instantly when inserted. Brother MFC425 CN.


I assume there is something wrong with ink indicator electrical pin connection. This can be due to a dirty contact on the back of cartridge holder. Please try to clean contacts on cartridge and printer with soft cloths and some ethanol.

Feb 09, 2015 | Brother MFC Printers & Copiers

1 Answer

Error message reads "unable to


It means that the printer is unable to clean the print head number(s) 46. The print head is located under the ink cartridges. Remove the cartridges, and you should see a plastic piece with a hole in it to put your finger under and snap open. This allows you to see the print heads. The print heads look like a sponge type dabber on top of a plastic case. Grab a hold of the print head and pull it out. Look for ink that has spilled behind it or on any of the brass colored computer connections. use warm water and a lint free cloth to scrub it off. Press the print head sponge with your finger and make sure that ink primes and fills the head then put the printer back together and try a test page. If you stll get the error then you need to contact brother for a print head replacement.

Jun 29, 2011 | Brother MFC-465CN InkJet Printer

1 Answer

Hi I have Brother dcp 350 printer. I have the error 46 unable to print/clean i cant get the printer back to normal functions. I have change the inks (all) and I am still get the same error message 46....


The messages unable to print, unable to clean, unable 36, error 46 and error 32 are all print head errors.

1. Remove all the ink cartridges from the machine
2. Clean the contacts on the cartridges as well as inside the machine itself with a small amount of warm water or alcohol on a cotton swab until no ink comes off on the swab.

Note: if any of the other cartridges are low, empty, leaking or bulging replace them

3. Then turn off the machine and unplug it for 70 seconds
4. Plug it back it and wait for the insert cartridges message
5. Insert the cartridges and check to see if the problem is still there. If it is it means the print head has failed and in order to fix this the print head inside the printer needs to be replaced. The print head is the part of the printer that puts ink from the cartridges onto the page

Unfortunately this can sometimes cost more to replace then the machine itself.

Apr 18, 2011 | Brother DCP-350C InkJet Printer

1 Answer

Just got a brother mfc 5840 cn from a yard sale and plugged it in and have a unable to clean. Trouble shooting and routine maintenance chapter in the users manual. It didnt come with one?


and plugged it in and have a unable to clean.
Are you saying it has an ERROR message "unable to clean..."?
if so, it just may need new ink cartridges.

Aug 14, 2009 | Printers & Copiers

1 Answer

Unable to Init. 46


Your Ink Absorber box is full. The machine cleans its print nozzles by blasting them out with ink; it collects that waste ink and pumps it into a plastic box filled with thick, felt pads. After a certain number of cleaning operations, it decides it's not safe to squirt more ink into the box and gives this Error 46. Replacing the ink absorber box and flushing box and resetting the purge counter is fairly complex. Maybe someone has instructions all typed out, but your best bet is probably to take it to a Brother tech.

Jun 11, 2009 | Brother MFC-465CN InkJet Printer

1 Answer

Ricoh service tech. needing help with Brother MFC 5840cn


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

Dec 16, 2008 | Brother MFC-5840CN All-In-One InkJet...

1 Answer

Brother printer MFC 420 CN


I wouldn't be surprised. Since you're going to need black ink eventually anyway, put in a new black cartridge and find out.

Sep 16, 2008 | Brother MFC 420CN All-In-One InkJet...

1 Answer

Brother MFC5840 CN Print heads


I guess you have used generic ink carts.

You should buy an original brother ink cart.

When done so make sure all other carts are at full level:
Press menu then start b/k copy then fourtimes arrow up (tel.index). Machine will be in maintenance mode. press 7 then 6 then 4 then start b/k copy. Machine will refresh ink within tubes and print head and do some power cleaning. when finished press 7 then 6 then 3 then start bk copy to run an extra power purge.
Leave maintenance by pressing 9 then 9.

Do run a quality test print.

If you re lucky the it will work again.

THERE IS NO WAY TO CLEAN THE PH OUTSIDE EXCEPT BY Power Purge (7-6-3) within maintenance mode.

If you like to save money refill ORIGINAL Carts by drilling a 2mm hole into the top (O of brother brandname) . You can leave the hole open to refill the cart next time directly without taking it out of the printer.

Mix some 3ml 85%-glycerin alc (drugstore) with 3ml of distilled water and 5 ml of DYE(!) ink and refill the c/y/m cart.

For bk mix 1 ml glycerin alc with 4ml dest. water and 15 ml bk DYE ink (shake well before refill).

This is -nearly- the exact mixture of original brother ink.

Mar 12, 2008 | Printers & Copiers

1 Answer

Brother MFC5840 CN Print heads


Stuts,

I guess you have used generic ink carts.

You should buy an original brother ink cart.

When done so make sure all other carts are at full level:
Press menu then start b/k copy then fourtimes arrow up (tel.index). Machine will be in maintenance mode. press 7 then 6 then 4 then start b/k copy. Machine will refresh ink within tubes and print head and do some power cleaning. when finished press 7 then 6 then 3 then start bk copy to run an extra power purge.
Leave maintenance by pressing 9 then 9.

Do run a quality test print.

If you re lucky the ph will work again.

THERE IS NO WAY TO CLEAN THE PH OUTSIDE EXCEPT BY Power Purge (7-6-3) within maintnenace mode.

If you like to save money refill ORIGINAL Carts by drilling a 2mm hole into the top (O of brother brandname) . You can leave the hole open to refill the cart next time directly without taking it out of the printer.

Mix some 3ml 85%-glycerin alc (drugstore) with 3ml of destilled water and 5 ml of DYE(!) ink and refill the c/y/m cart.

For bk mix 1 ml glycerin alc with 4ml dest. water and 15 ml bk DYE ink (shake well before refill).

This is -nearly- the exacte mixture of original brother ink.

Mar 02, 2008 | Brother MFC-5840CN All-In-One InkJet...

6 Answers

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.

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

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