Question about Canon EOS 400D / Rebel XTi Digital Camera

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Camera fails to take pictures consistently and reports error 99

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  • 133 Answers

It`s a common problem found in Canon DSLR,
the solution is by upgrading the firmware inside the DSLR system
you can download it from official Canon website

Posted on Jan 03, 2011

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Shooting is not possible, turn the power switch to off and on or reinstall the battery


Hi there :the Error 99 is a comunication error between camera body and lens .are you using Canon lens?Try the camera body with a/another Canon lens in Camera body and try the lens on another Canon camera.With this troubleshoting you can know if the camera body is failing or lens is failing.I hope this information will help you.

Nov 29, 2011 | Canon EOS Digital Rebel XS / 1000D IS...

1 Answer

ERROR 99....WHAT THE MEANING....HELP ME/ model canon 1000 D


Error 99 means "other error", so there are may possible causes. However, in most cases it refers to a communication problem between camera body and lens.

Try the following:
  • Remove the lens.
  • Check the contacts at the lens mount and contact pads at the lens for damage and dirt. If necessary, carefully clean them.
  • Power on the camera, without a lens attached. Does the error recur?
  • If the error did not occur without a lens, re-attach the lens and try again.
  • If this did not solve the problem, try a different lens
If this didn't solve your problem, please report what happened when you performed these steps.

Mar 10, 2010 | Canon Cameras

1 Answer

Error 99 found what can i do


Heres the fix clean the lens connectors with an eraser (on pencil). make sure the lens connectors are pointing down to avoid dirt and dust being dropped into the mechanism. Same with connectors inside camera Point camera opening at floor. Blow out well after to ensure no rubber shavings are in the camera. Reconnect and turn on it should now stop reporting that error

Aug 30, 2009 | Canon Rebel XT / EOS 350D Digital Camera

1 Answer

Error 99 appears when I use the canon EOS 350D


I think I answered this earlier did you ask this question more tan once?

well here you are a simple fix from experience.

The guy at Canon tech support listened to my woes and then told me that the lens contacts were dirty and to get a pencil with an eraser on the end, just a regular old pencil with a red rubber eraser. Detach the lens from the camera, hold it so that the lens’ gold contacts are pointing down and lightly erase their exposed surface, cleaning them of any hand oil that might have gotten on them. Do the same thing with the gold contacts inside the camera body. This is a bit harder but it’s doable: just hold camera so lens opening points down so no gunk falls in. Erase lightly. I used a lens cloth and dabbed at the contacts rather than blow them so as not to blow the erasings inside the camera.
I did this to each of my three lenses just to be sure. Lo and behold, it worked (so far anyway). I’ve shot numerous pictures with each lens and have not gotten a single error 99 message.

Please rate this help to keep the service online

Aug 21, 2009 | Canon Rebel XT / EOS 350D Digital Camera

1 Answer

Error 99! Wont' take picture, the message states


Go to the www.canon.com website and find out what Error 99 means. ted10

Apr 18, 2009 | Canon EOS 400D / Rebel XTi Digital Camera

2 Answers

Error 99 appears in pattern, every time


Not sure about the pattern of errors, but the advice for error 99 diagnosis is to try the following diagnosis steps to isolate the cause of the issue:-
1. Turn off the camera.
2. Remove the lens, battery, and CF card.
3. Allow the camera to sit without power for approximately 20 minutes.
4. Insert only a fully charged battery, and turn on the camera.
5. Depress the shutter button as you would to take a picture.

Does the “ERR 99" message appear? If so, the camera may be faulty and requires a service. If it does not, then: -
1. Turn off the camera.
2. Insert the CF card.
3. Turn on the camera.
4. Format the CF card in the camera.
5. Depress the shutter button as you would to take a picture.

Does the “ERR 99" message appear? If so, then the CF card is faulty. Try a different card. If the message does not appear: -
1. Turn off the camera.
2. Clean the gold contacts on the lens by GENTLY rubbing them with a pencil eraser or soft cloth. Keeping the camera face pointing down, also clean the gold contacts on the camera, being careful that you do not let any debris fall into the camera body.
3. Reattach your lens.
4. Turn on the camera.
5. Depress the shutter button as you would to take a picture.

If the “ERR 99" message only appears when one particular lens is attached, then that lens should be examined by a service technician.
If you see the “ERR 99" with a different Canon lens attached, then the camera is faulty and should be serviced.

Feb 09, 2009 | Canon Digital Rebel / EOS-300D Digital...

1 Answer

ERROR 99


if you have a DSLR and your'e getting this "error 99" it may be associated with the particular lens youre using. try turning off the camera and removing the battery, the lens, and the memory card. let it sit for half an hour. reinsert the battery only and depress the shutter button as if you were to take a normal picture. if error 99 occurs again, then the camera needs servicing. if it error 99 doesn't occur at this point, turn the camera off and install the memory card. format the memory card while it's in the camera and press the shutter button as if youw ere to take a normal picture again. if you see error 99, then the problem probably lies with the memory card. if it doesn't occur, turn off the camera and install the lens. again, power on the camera and press the shutter as if you are taking a normal picture. if the error occurs, then it's with the lens. try to clean the lens including the connection points both on the camera and the lens. if the error code still occurs, try different lens to narrow it down to which particular lens is giving the issue. if it happends with all the lens, then the camera needs to be serviced.

Sep 16, 2008 | Canon Cameras

2 Answers

Error 99 on 30D Canon


Had this problem before and i found this guide online

1. Turn off the camera.
2. Remove the lens, battery, and CF card.
3. Allow the camera to sit without power for approximately 20 minutes.
4. Insert a fully charged battery, and turn on the camera.
5. Depress the shutter button as you would to take a picture.
Does the “ERR 99′ message appear? If it does, then the camera should be
serviced. If it does not, then please proceed to the next set of steps:
1. Turn off the camera.
2. Insert the CF card.
3. Turn on the camera.
4. Format the CF card in the camera.
5. Depress the shutter button as you would to take a picture.
Does the “ERR 99′ message appear? If so, then the CF card is the most
likely source of the issue. Try using a different card.
If the message does not appear, please complete the following steps:
1. Turn off the camera.
2. Clean the lens contacts by gently rubbing them with a pencil eraser
or soft cloth. Be careful that you do not let any debris fall into the
camera body.
3. Reattach your lens.
4. Turn on the camera.
5. Depress the shutter button as you would to take a picture.
If the “ERR 99′ message only appears when one particular lens is
attached, then that lens should be examined by a service technician.
If you see the “ERR 99′ with a different Canon lens attached, then the
camera should be serviced.

Feb 22, 2008 | Canon EOS 30D Digital Camera with 18-55mm...

3 Answers

I have error 99 in my camera canon 400d


Error 99 is a general fatal error.
which includes the problems above mentioned by Q4SteveB but also many others.

It can be caused by a dicky shutter, problems with the CF card interface.

If cleaning and trying a different lens has not worked. Not definitive but as a rule of thumb...
If it letting you take one picture then giving error 99.. and the picture is saved to the card (but may just be black) this is most likely the shutter needs replacing..

If it takes a picture and gives error 99 but there is no picture on the card or the picture is 0KB its a CF interface problem.

If you get an error 99 when you plug in the USB its a USB interface error, you can try a different cable but unfortunately in most cases if another lens or cable wont work it needs repair

Feb 22, 2008 | Canon EOS 30D Body Only Digital Camera

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