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

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420CN waste tank


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Re: 420CN waste tank


Its the 7th picture waistinktank: "ALTTINTENTANK"

Posted on Nov 16, 2007

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How to clean waste tank?

The waste ink tank is on the Drum, you have to disassemble the drum to clean and remove the wasted/old ink. Please follow the instruction provided here.. FixYa's Tips on how to remove the waste ink from the waste ink tank (laser printer)
I hope you can follow the simple instructions.
Good luck.

Thanks for using FixYa.

Jun 27, 2010 | Samsung CLP 300 Laser Printer

2 Answers

Waste Toner Error Message For Samsung CLP 550

Dr. P,
Printer will display "Waste Toner Tank Full/Not Installed" error message if the waste tank is full of toner or not installed.
  • Open the waste tank door and check for the waste toner tank.
  • If the tank is full or not intalled, install a new tank.

If you have user guide, it will show you how to install the waste toner tank.

Sometimes you will also get this error message if the Waste Toner sensor is covered with toner powders.
  1. Remove your waste tank and look for the black plastic on the right side after removing the waste tank.
  2. You sould find small openings on each side in the black casing.
  3. Use Q-tips or thin cotton object to clean the inside the small opening.
for user manual just click here:

If this solution works, please don't forget to rate it fixya

For any more question just ask me.


Apr 14, 2008 | Samsung CLP-550 Laser Printer

2 Answers

Waste tank is full for my samsung CLP-300 printer. i don't know where is the waste tank located and how to clear the waste tank.

The waste tank is inside the front cover of the CLP 300 on the left of teh four toner drums. Itgoes down the side and then along the bottom. You can empty it into a bin and then reuse the same container. No need to buy a new one

Jun 25, 2010 | Samsung CLP 300 Laser Printer

5 Answers

I have a samsung clp500 color printer but it is not working .it show only waste tank is full/ not instaled what should i do.

The "waste tank" is located behind the front panel that has the SAMSUNG name on it. Press on the upper corners of this panel and it will open up to reveal a clear plastic tank on the right side.

This tank pulls out easily and has two holes for excess toner to flow into it.

Look at the side of the tank that has the holes. You should see a part of the tank that extends out from the tank but ends in a clear square. The waste tank sensor "looks" thru this clear plastic square to determine if the tank is full. I.e. if toner is in this area and you cannot clearly see thru both sides, the sensor will tell the printer that the tank is full and needs to be changed.

If the tank is not full, use a long cotton swab and clean out the inside of this area. Once you can see thru both sides, carefully replace the tank back into the printer and turn the printer back on.

If done properly, the error should go away and you should be able to continue printing. I have doen this and it works fine.

(Some posts have had people cut this part of the tank off and simply tape over the hole that is made with strong tape. This bypasses the sensor and would allow the printer to run again. I have not done this as I do not want the possibility of toner spilling in my office.)


The sensor could be bad and causing the issue. If this is the case, it may be cheaper to purchase a new printer - CLP-620 ND is a duplex, networked color laser jet that is selling from for $315.

Apr 30, 2010 | Samsung CLP-500 Laser Printer

1 Answer

Mirror images after downloading drivers

Dear Sir,

It seems to be problem with printer not with your leopard.
so follow these steps
1.check your printer catridge,make sure that ink is full.
2.If printer catridge is good then align printer catridges,you can find alignment option in in printer setting or properties page.
3.If above mentioned steps not solves your problem then may be your printer ink waste tank is may need to replace waste tank,if your printer is new there is no question of waste tank.
i think it helps
if you find any difficulty leave a feedback regarding this issue,we will glad to assist you.

Have a nice day!
good luck

Sep 12, 2009 | Brother MFC 420CN All-In-One InkJet...

1 Answer

Printer que " unable to clean see troubleshooting in manual"

Unable to clean usually means the waste ink tank is full, the only repair is to replace the tank, aprox. $10.00 and reset the counter to clear the error. If you clear the error without a new tank you risk ink overflow inside the machine and on your table...

Aug 19, 2009 | Brother MFC 420CN All-In-One InkJet...

2 Answers

Samsung clp 300 shows waste tank full

You will have to buy a new waste tank/bin for it as the old one is now full.
They are relatively cheap.
It looks like this:
If you don't want to spend any money you can remove it and try to empty the powder into a bin but it can make a big mess.

Please rate the answer if it helped you.

Jul 13, 2009 | Samsung CLP-550N Laser Printer

1 Answer

Message "wasted ink tank near full" on Canon Multipass F80

Inkjet printers have a fibrous pad inside them that collects the waste ink from cleaning the print head. Over time, this pad fills up with ink and can no longer hold any more. When this occurs, the printer indicates a "waste ink tank full" error.

Replacing the waste ink absorption pads is something an authorized canon service facility can take care of for you. Once they are replaced, it'll be functional again.

May 17, 2009 | Canon MultiPASS F80 All-In-One InkJet...

1 Answer

Printer not printing

On the machine there is a sensor that looks trough the waste tank even though you have wiped it clean the likely thing is that the sensor cannot see through the plastic waste tank.

I suggest vacuum the waste tank out until all the toner has gone then install it. If you cannot get rid of all the toner then wash the tank out and leave to dry then install it.

Hope this helps you
Thanks J

Jan 05, 2008 | Samsung CLP-500 Laser Printer

2 Answers

Waste ink tank full

please help me for repair waste in tank full canon ip3300.

Nov 01, 2007 | Canon PIXMA iP3300 InkJet Photo Printer

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