Making only a half cup of coffee - the rest of the water seems to be pouring back into the resevoir from the vent thing.

if you are not getting any coffee made at all then descaling wont help you. i remove the water container and you will see a little hole with a screen inside of it. i either take tweezers and fish around for any particles that are in there. i was absolutly shocked to find little fuzz pieces. this dust will block up the machine so it wont work. i have also {at work} unplugged unit and take off water resevoir and put sink water into hole for a bit, being carefull not to complety soak whole unit . then i dry it well and plug it back in. works like a charm for me. i have 2 keurigs and 1 that i manage at work. as far as descaling , once its back running you could put a half cup of vinegar and fill the rest with water and keep making fake cups of coffee till empty . then i refill with clean water and run a couple more times. this is really good for keeping the needle free from getting plugged. as soon as i have any problem with my machine not making full cups of coffee i will clean that bottom screen under water resevoir, and it always works for me. good luck.

Hi,

Here is a tip that I wrote that will give you some things to try that will helpyou get your Keurig coffee brewer workingagain.

Keurig CoffeeBrewer not making a full cup of Coffee
heatman101

Hi,

Here is a tip that I wrote that will give you some things to try that will helpyou get your Keurig coffee brewer workingagain.

Keurig CoffeeBrewer not making a full cup of Coffee
heatman101

Hi,

Here is a tip that I wrote that will give you some things to try that will helpyou get your Keurig coffee brewer workingagain.

Keurig CoffeeBrewer not making a full cup of Coffee
heatman101

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Hi,

Here is a tip that I wrote that will give you some things to try that will helpyou get your Keurig coffee brewer workingagain.

Keurig CoffeeBrewer not making a full cup of Coffee
heatman101

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Hi,

Here is a tip that I wrote that will give you some things to try that will helpyou get your Keurig coffee brewer workingagain.

Keurig CoffeeBrewer not making a full cup of Coffee
heatman101

Hi,

Here is a tip that I wrote that will give you some things to try that will helpyou get your Keurig coffee brewer workingagain.

Keurig CoffeeBrewer not making a full cup of Coffee
heatman101

Hi,

Here is a tip that I wrote that will give you some things to try that will helpyou get your Keurig coffee brewer workingagain.

Keurig CoffeeBrewer not making a full cup of Coffee
heatman101

Have you cleaned the exit needle? Seem to be clogged up, more info here: http://www.keurig.com/help/B60_Use&Care_guide_spreads.pdf

Hello,

I assume your coffe maker used to produce more coffee for each use. Roughly 6 ounces per large cup, and now is only making 3 oz. cups.

If your coffee maker is sputtering and not able to "suck" enough water to fill your cups of coffee it is most likely due to cavitation caused in the little pump due to a stoppage, which is most likely lime or scale buildup somewhere in the pump line.

To fix it, don't take your coffee maker apart. Get a bottle of distilled white vinegar, and pour it straight into the empty water resevoir. Press brew with no coffee pod so you are just running the vinegar through the system. Pour the vinegar out of the cup and back into the resevoir. Add some ice to cool it off. Repeat about 10 times. This should clear out the toughest lime scale clog.

After you notice the cups are filling full of water, Replace the vinegar with fresh water. Run about 5 or 6 cups of fresh water through the system to get rid of the vinegar.

Make coffee/tea/whatever.

Jade