Question about Brother MFC-7340 All-In-One Laser Printer

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Mfc 7340 - copy and print is very light

Using non-bro toner cartridge again but this time, copy and print pages are very light. Is there an adjustment on the cartridge itself or a secret menu code to darken toner quality?

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SOURCE: brother mfc 1950mc plus printer

Same problem that I have. MJ

Posted on Aug 31, 2007

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SOURCE: Brother HL 1440 Printer Density Adjustment

Go to Printer and Faxes and select the properties button, then select the maximum dpi in the Advanced tab. You will get the best quality Print

Posted on Feb 08, 2008

  • 1 Answer

SOURCE: Brother MFC 240C alignment problems

I have figured it out! I have a Brother MFC 240CN and I was having the same alignment problem and I followed the instructions from the printer prompt as well as the manual and it does not work.

So, this is what I did. I ran the alignment test print, then when it asked if it matches, I would say "No". And then I would pick number "8" to be the one that most closely matched "0" regardless if it did or not. I did this for the 600 and 1200dpi. Then when I ran the alignment test print again, it looked better! So I repeated it again and again picking "8" each time and it looked better with every test print. After about 4 or 5 tries, it looked normal again!

I hope everyone else with this problem will see this response and I hope it works too. I was getting so frustrated with this problem. Now I don't have to get it serviced or buy a new printer!

Posted on Jun 02, 2009

  • 13433 Answers

SOURCE: Message on Brother MFC

Hello,

Open door
press Clear/Back key
press *00
press OK

Do not choose anything for drum replacement. when drum replacement menu comes up, just press the * and then 00, then just press OK.


that should clear the error message, the printer has a toner life counter that needs to be reset.

Posted on Oct 04, 2010

ross_lovegro
  • 1 Answer

SOURCE: Brother MCF-7340 first time toner replacement

If it is your first toner replacement you shsould only need the TN-360, as the drum should be good for about 12,000 copies. The machine will tell you when you are getting close to replaceing drum unit.

Posted on Oct 13, 2010

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2 Answers

Drum Life Ends soon - Brother


The problem with this is the design. Each toner cartridge has a microchip on it, that counts the pages you print. The company has determined that you get x amounts of prints. Then you have to replace it, empty or not. This printers do not work the same way as an expensive professional business copier. In an pro style there is a spent toner cartridge that collects all of the wasted toner that is on the drum. On a small business/home style this spent toner goes back into the cartridge. There is no level indicator, even on the inkjet printer. They too, have a chip that says you have x amount of prints/cleaning cycles they can go through. Look up inkjet refill kits or inkjet cartridge programmer.

Mar 31, 2014 | Brother Mfc-7340 All-in-one Laser Printer...

1 Answer

Why the print out is black when using printer MFC 7340


May be printer head or cartridge already broken...i think you should change the printer cartridge..


****If you need any technical help on printer then you can reach at here

Mar 04, 2013 | Brother MFC-7340 All-In-One Laser Printer

1 Answer

Error message "put the black toner cartridge back in"


I got this same error message on a newly acquired Brother DCP-7040 that I purchased used off of ebay.

As I was troubleshooting this unit (that I bought untested off of ebay - hey gambling has paid off handsomely for me many times before!), this error message kept popping up.

I checked the COUNTERS (page & Drum life) and found out that the DRUM had 0% life left. BUT, the reason it showed ZERO was because this unit did not have any drum! The toner cartridge (TN-360) needs to sit WITHIN the drum (DR-360) on this DCP-7040 unit, as well as in models DCP-7030, MFC-7340, MFC-7345C, and MFC-7440N.

So perhaps some of these "put the black toner cartridge back in" problems could be related to the DRUM (or lack thereof). A possible tipoff (since the toner cartridge actually does slide into the unit much like other units that do not use Brother's DRUM carrier) seems to be the relative ease with which the toner cartridge slides into the DCP-7040 and really doesn't seem to "lock" into position real firmly.

DCP-7040 USER GUIDES: http://welcome.solutions.brother.com/bsc/public/us/us/en/doc/manual_index.html?reg=us&type2=-1&prod=dcp7040_us_as&c=us&lang=en&flang=all

Apr 23, 2012 | Brother MFC-7340 All-In-One Laser Printer

1 Answer

I have a Brother MFC-7340 and recently replace the toner and now the background is dirty looking when I print, ie grey where it should be white! What can I do to clean it up? Thanks!!


Either you purchased a a bad quality remanufactured toner cartridge or your fuser film is damaged.

If there is some kind of debris in black color that is on printouts, your fuser film might be damaged. Have a printer technician replace it.

If there is no debris, only bad quality printouts, it's the toner cartridge that needs replacement.

Mar 05, 2011 | Brother MFC-7340 All-In-One Laser Printer

1 Answer

How do you reset the toner?


Brother toners don't have chips to start a page countdown like most printers. Instead, they use an ocular device that basically "looks" at the toner through a clear hole in the sides and if the beam goes through the cartridge to the other side, it tells you its empty. If you know there is still toner in your cartridge (TN-330 or TN-360 in your case) you can fix it by simply putting a piece of electric tape (or any other non-transparent tape) over the holes. To the printer that will look like a full cartridge. Look on the side of the cartridge; toward the very bottom and center you should see a hole in the plastic. That is what you need to cover. If you want, you can also cover the actual device on the printer, and since its a piece of tape there's no risk of damaging anything, but that is harder to find. Cover it up and give it a go. That should let you print untill the very end of the cartridge, at which time you will see the print quality start to fade.

I hope this helps! Good luck!

Feb 25, 2011 | Brother MFC-7340 All-In-One Laser Printer

1 Answer

MFC 7340 - I changed the toner cartridge, and cleaned the corona wire as instructed. When I put the drum unit back in, I get the message "Open front cover clean corona wire". I clean the corona...


The drum unit may be at it's end. There is a report you can print that will say "Drum" life at the bottom of the page. I think it's the "User Settings" or something. Though it sounds like you can't print to find this out anyway....Do you recall how many times you've changed the toner without changing the drum? Usually you can expect about 4-5 toners on every drum. Once the drum's photo sensitive coating wears off it is incapable of charging correctly to print. Might just be time for regular maintenance. panderson@cartridgeworldusa.com with questions.

Oct 29, 2010 | Brother MFC-7340 All-In-One Laser Printer

2 Answers

Can i convert the brother mcf 7340 to wireless


i dont know that you can -- you may be able to buy a wirelss adapter for it .. but according to the specs its a 5 in 1 , and wirless capable is not indicated in the specs -- dont take my word for it, call brother 1-877-276-8437


these are the specs i found for your printer

do you have a manual ?

OVERVIEW: MFC-7340 The MFC-7340 is ideal for any desktop or small office with its compact, space-saving design. Get the most out of razor-sharp printing. Make quick copies or send/receive faxes without the use of a computer. Enjoy the convenience of having a high-quality colour scanner, too. Scan multiple pages using the 35-page auto document feeder. Its advanced capabilities allow you to scan to a file, image, OCR or e-mail- all with a touch of a button! FEATURES: MFC-7340
· 5-in-1 monochrome laser printer, scanner, copier, fax & PC-Fax tree.gif
· Fast black and white laser printing
· High quality output even at top speed
· High quality flatbed colour scanning
· Full-featured fax capability with broadcasting and auto-dialing
· Compact, fits almost anywhere
· User-friendly software with easy installation
· Interactive help software
· Cost effective, with high-capacity replacement toner cartridges
· Machine-lifetime toll-free technical support

Brother and its logo are trademarks of Brother Industries, Ltd., Japan. All specifications are subject to change without notice. All registered trademarks referenced herein are the property of their respective companies.

Oct 16, 2010 | Brother MFC-7340 All-In-One Laser Printer

2 Answers

Brother MCF-7340 first time toner replacement


If this model comes with the drum separately of the cartridge, only replace the cartridge. There's no need to change it every time. until prints start to get lines or dots. Don't expose the drum to light too much.

Jul 30, 2009 | Brother MFC-7340 All-In-One Laser Printer

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