Question about Samsung CLP-550N Laser Printer

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Error Message--Waste Toner Tank Full/Not Install

I was happily printing away when I got an error message about my waste toner tank being full. I emptied it and returned the tank to its place and the printer was just fine for a week or two. Now, it has once again given me the same error message, and I've once again emptied the tank and reinstalled it, but this time the error message won't budge. Help!!

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Re: Error Message--Waste Toner Tank Full/Not Install

What I have started to do is to actually wash the toner tank out with water and make sure it is good and dry then be sure the section that breaks the light sensor is good and clean (it is on the left side as you look at the backside - the side that goes toward the printer - and protrudes out) the tank full indication comes on when the tank gets dirty

Posted on Jan 18, 2007

Re: Error Message--Waste Toner Tank Full/Not Install

The qtip solution noted above worker for me !!!

Posted on Oct 14, 2008

Re: Error Message--Waste Toner Tank Full/Not Install

There was a problem with the waste toner level sensor in some of these machines. I had to have mine replaced under warranty in the end as it was too frustrating to keep the sensor light path spotlessly clear. Stuart

Posted on Jun 24, 2008

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Re: Error Message--Waste Toner Tank Full/Not Install

I did cleaning, drying, etc. as mentioned by caaa, but no result. After noticed a square hole on a waste tank which has to slightly push the black plastic arm in printer by inserting the waste tank. But there is missing something (I don't know the reason, if dropped out, or...) that is over hole about 5mm. Fix this missing distance with small wire (e.g. chipped proper rounded part of paper clip) fitted into the hole. Carefully check if the wire is not big too much, not to brake the arm. Works until now.

Posted on Aug 19, 2007

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Re: Error Message--Waste Toner Tank Full/Not Install

My printer show this message " waste toner tank full/ not install" so I cannot use the printer to print my task. What should I do?

Posted on Jan 17, 2008

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You have to empty out the waste toner bottle... The bottle is a milky white plastic and I believe it is right under the fuser unit. It should slid out toward you. Carefully dump the toner out of the bottle into a plastic garbage bag and re install the bottle and you are done....

Dec 07, 2012 | Ricoh 4506 Copier

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

1 Answer

Waste toner is almost full on Savin C9020

The bottom left portion of the display gave the error message:
Waste Toner Bottle 1 Almost Full. Please call service.

They were still able to print, however this message would not go away.

To Fix:

Power down the printer using the normal shutdown method.

Open the top front door.

Remove the cover directly below the 4 toner cartridges.


The removable cover below the toner cartridges is actually the Waste Toner Bottle.

Bring this to the dumpster.

There is a round, clear-plastic tab on the underside of the "bottle". Remove this.


Shake the bottle around over the dumpster. Continue until all the toner has been removed.

Push the clear plastic tab back in place. Wipe off all toner residue before putting it back into the printer.

Put the waste toner bottle back into place. Power on the Savin. Confirm the message no longer appears and that users are able to print.

Feb 08, 2012 | Savin Printers & Copiers

1 Answer

I keep cleaning the toner/printer waste tank cartridge and the printer continues to stop printing and the same error message displays saying "Replace/Install waste toner printer cartridge.

How are you cleaning the tank? Just dumping the contents into a trashcan may not work. The printer uses a light sensor to detect whether the tank is full. When the light does not shine through the clear window of the tank, the printer thinks that the tank is full. Sometimes cleaning the window with a cotton swab will make it work, but it can be difficult since the location of the window with respect to the opening of the tank is not a straight shot.

Another way to clean it would be dump the waste toner into ther trashcan. Tap the tank a few time to get as much of the toner out. Then add some soap and water into the tank and seal the tank opening with the green lid. Then shake the soapy water in the tank for a about a minute. Then dump the soapy toner/water out. Rinse again with just water and and allow it to dry. You don't have to get the tank completely clean, just enough to stop the waste tank error message.

Hope this helps.

Nov 17, 2010 | Samsung CLX 3160fn All-In-One Printer

1 Answer

"Replace/Install Waste Toner Tank" error message

Take aout waste toner tank (vertical handle left of cyan toner cartridge)
remove waste toner. Make shure that transparent windows are clean (light barrier). Replace aund resart printer

Oct 23, 2010 | Samsung CLX 3160fn All-In-One 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

Error 357 waste toner full

If you dumped out the full waste toner bottle The gear that drives the gear on the waste toner bottle has broken off.

Dec 18, 2008 | OKI C9600hdn Laser Printer

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

4 Answers

"Waste toner tank full"message won't clear

I had the same problem with my printer. On the back of the waste toner cartridge is a tab that sticks out. A photoelectric shine thru this tab to let you know when the cartridge is full. My photoelectric had gone out and was giving the same error message. I took my printer apart and cut the wires loose on each side of the photoelectric and shorted them together to complete the circuit. The only problem in doing this is you have to occasionally check the waste toner cartridge yourself to make sure it does not overfill.

Nov 08, 2007 | Samsung CLP-500N Laser Printer

2 Answers

Waste motor error

The wate motor transfers (you guess it) waste toner to the waste toner bottle. If the bottle fills up, the motor cannot transfer more waste to it. This is rare, for the printer should ask for a new waste toner bottle when the previous one fills. However,it happens frequently when users try to empty and clean the bottle instead of replacing it.

If a new waste toner bottle is in place, then the printer needs a new motor, which can only be purchased through an Authorized Service Center.

Oct 24, 2007 | Samsung CLP-510 Laser Printer

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