| Solution | If you cannot remove dirt or dust on the image sensor (CMOS) even by using the sensor cleaning function on your camera, or if your camera does not have a function for sensor cleaning, you can clean the sensor on your own by using a commercially available blower. IMPORTANT The surface of the image sensor is extremely delicate. If the sensor needs to be cleaned directly, it is advisable to contact a Canon Service Center.
CAUTION - For the power source, using an AC Adapter Kit is recommended. The AC Adapter Kit that can be used differs depending on the model. For details, please see the list below.
- If you use a battery, make sure it is fully recharged. If the battery grip with size-AA/LR6 batteries is attached, manual sensor cleaning will not be possible.
AC Adapter Kits and DC Coupler Kits for each model | Model Name | AC Adapter | | EOS-1Ds Mark III | AC Adapter Kit ACK-E4 (bundled accessory) | | EOS-1Ds Mark II | DC Coupler Kit DCK-E1 (bundled accessory) | | EOS-1Ds | DC Coupler Kit DCK-E1 (bundled accessory) | | EOS-1D Mark IV | AC Adapter Kit ACK-E4 (sold separately) | | EOS-1D Mark III | AC Adapter Kit ACK-E4 (bundled accessory) | | EOS-1D Mark II N | DC Coupler Kit DCK-E1 (bundled accessory) | | EOS-1D Mark II | DC Coupler Kit DCK-E1 (bundled accessory) | | EOS-1D | DC Coupler Kit DCK-E1 (bundled accessory) | | EOS 5D Mark III | AC Adapter Kit ACK-E6 (sold separately) | | EOS 5D Mark II | AC Adapter Kit ACK-E6 (sold separately) | | EOS 5D | AC Adapter Kit ACK-E2 (sold separately) | | EOS 7D | AC Adapter Kit ACK-E6 (sold separately) | | EOS 60D | AC Adapter Kit ACK-E6 (sold separately) | | EOS 60Da | AC Adapter Kit ACK-E6 (bundled accessory) | | EOS 50D | AC Adapter Kit ACK-E2 (sold separately) | | EOS 40D | AC Adapter Kit ACK-E2 (sold separately) | | EOS 30D | AC Adapter Kit ACK-E2 (sold separately) | EOS 20D
EOS 20Da | AC Adapter Kit ACK-E2 (sold separately) | | EOS 10D | AC Adapter Kit ACK-E2 (sold separately) | | EOS REBEL T4i/EOS 650D | AC Adapter Kit ACK-E8 (sold separately) | | EOS REBEL T3i/EOS 600D | AC Adapter Kit ACK-E8 (sold separately) | | EOS REBEL T2i/EOS 550D | AC Adapter Kit ACK-E8 (sold separately) | | EOS REBEL T1i/EOS 500D | AC Adapter Kit ACK-E5 (sold separately) | | EOS DIGITAL REBEL XSi/EOS 450D | AC Adapter Kit ACK-E5 (sold separately) | | EOS DIGITAL REBEL XTi/EOS 400D DIGITAL | AC Adapter Kit ACK-DC20 (sold separately) | | EOS DIGITAL REBEL XT/EOS 350D DIGITAL | AC Adapter Kit ACK-DC20 (sold separately) | | EOS REBEL T3/EOS 1100D | AC Adapter Kit ACK-E10 (sold separately) | | EOS REBEL XS/EOS 1000D | AC Adapter Kit ACK-E5 (sold separately) | | EOS DIGITAL REBEL/EOS 300D DIGITAL | AC Adapter Kit ACK-E2 (sold separately) | | EOS D60 | Compact Power Adapter CA-PS400 and DC Coupler DR-400 (bundled accessory) |
NOTE This section explains the cleaning procedure using the EOS REBEL T3i/EOS 600D. Depending on the model you are using, the content displayed on the LCD monitor might be slightly different from what is shown on your camera, but the procedure is almost the same.
1. Detach the lens before you start cleaning. 2. Set the power switch to ON. 3. Press the MENU button to bring up the menu display. 4. Select [Clean manually] or [Sensor cleaning].
 The cleaning procedure differs depending on the model. For details, please see the list below. | Model Name | Manual cleaning procedure | | EOS-1Ds Mark III | Select <  > tab, [Sensor cleaning], then press the <SET> button. On the next screen, select [Clean manually], then press the <SET> button. | | EOS-1Ds Mark II | Select <  > tab, [Sensor cleaning], then press the <SET> button. On the next screen, select [OK], then press the <SET> button. Press the shutter button completely. The reflex mirror will lockup and the shutter will open. Go to step 7. | | EOS-1Ds | Select <  > tab, [Sensor cleaning], then press the <SET> button. On the next screen, select [OK], then press the <SET> button. Press the shutter button completely. The reflex mirror will lockup and the shutter will open. Go to step 7. | | EOS-1D Mark IV | Select <  > tab, [Sensor cleaning], then press the <SET> button. On the next screen, select [Clean manually], then press the <SET> button. | | EOS-1D Mark III | Select <  > tab, [Sensor cleaning], then press the <SET> button. On the next screen, select [Clean manually], then press the <SET> button. | | EOS-1D Mark II N | Select < > tab, [Sensor cleaning], then press the <SET> button. On the next screen, select [OK], then press the <SET> button. Press the shutter button completely. The reflex mirror will lockup and the shutter will open. Go to step 7. | | EOS-1D Mark II | Select < > tab, [Sensor cleaning], then press the <SET> button. On the next screen, select [OK], then press the <SET> button. Press the shutter button completely. The reflex mirror will lockup and the shutter will open. Go to step 7. | | EOS-1D | Select < > tab, [Sensor cleaning], then press the <SET> button. | | EOS 5D Mark III | Select <  > tab, [Sensor cleaning], then press the <SET> button. On the next screen, select [Clean manually], then press the <SET> button. | | EOS 5D Mark II | Select <  > tab, [Sensor cleaning], then press the <SET> button. On the next screen, select [Clean manually], then press the <SET> button. | | EOS 5D | Select [  Sensor cleaning], press the <SET> button. | | EOS 7D | Select < > tab, [Sensor cleaning], then press the <SET> button. On the next screen, select [Clean manually], then press the <SET> button. | | EOS 60D/EOS 60Da | Select <  > tab, [Sensor cleaning], then press the <SET> button. On the next screen, select [Clean manually], then press the <SET> button. | | EOS 50D | Select < > tab, [Sensor cleaning], then press the <SET> button. On the next screen, select [Clean manually], then press the <SET> button. | | EOS 40D | Select <  > tab, [Sensor cleaning], then press the <SET> button. On the next screen, select [Clean manually], then press the <SET> button. | | EOS 30D | Select [  Sensor cleaning], press the <SET> button. | | EOS 20D/EOS 20Da | Select [ Sensor cleaning], press the <SET> button. | | EOS 10D | Select the menu [Sensor cleaning], press the <SET> button. | | EOS REBEL T4i/EOS 650D | Select < > tab, [Sensor cleaning], then press the <SET> button. On the next screen, select [Clean manually], then press the <SET> button. | | EOS REBEL T3i/EOS 600D | Select < > tab, [Sensor cleaning], then press the <SET> button. On the next screen, select [Clean manually], then press the <SET> button. | | EOS REBEL T2i/EOS 550D | Select < > tab, [Sensor cleaning], then press the <SET> button. On the next screen, select [Clean manually], then press the <SET> button. | | EOS REBEL T1i/EOS 500D | Select < > tab, [Sensor cleaning], then press the <SET> button. On the next screen, select [Clean manually], then press the <SET> button. | | EOS DIGITAL REBEL XSi/EOS 450D | Select < > tab, [Sensor cleaning], then press the <SET> button. On the next screen, select [Clean manually], then press the <SET> button. | | EOS DIGITAL REBEL XTi/EOS 400D DIGITAL | Select < > tab, [Sensor cleaning: Manual], then press the <SET> button. | | EOS DIGITAL REBEL XT/EOS 350D DIGITAL | Select < > tab, [Sensor cleaning], then press the <SET> button. | | EOS DIGITAL REBEL/EOS 300D DIGITAL | Select < > tab, [Sensor cleaning], then press the <SET> button. | | EOS REBEL T3/EOS 1100D | Select < > tab, [Clean manually], press the <SET> button. | | EOS REBEL XS/EOS 1000D | Select < > tab, [Sensor cleaning], then press the <SET> button. On the next screen, select [Clean manually], then press the <SET> button. | | EOS D60 | Select the menu [C.Fn], [C.Fn13 Sensor cleaning], then press the <SET> button. On the next screen, select [1:Enable], then press the <SET> button. Press the shutter button completely. The reflex mirror will lockup and the shutter will open. Go to step 7. |
5. Select [OK], then press the SET button.
 6. The reflex mirror will lockup and the shutter will open. 7. Using a commercially available blower, blow dust that is stuck to the surface while preventing the blower from directly touching the sensor.
 8. After ending the cleaning, set the power switch to OFF. CAUTION - While cleaning the sensor, never do any of the following. If the power is cut off, the shutter will close and the shutter curtains and image sensor might get damaged.
- Setting the power switch to OFF. - Opening the battery compartment cover. - Opening the card slot cover. - The surface of the image sensor is extremely delicate. Clean the sensor with care.
- Use a plain blower without any brush attached. A brush can scratch the sensor.
- Do not insert the blower tip inside the camera beyond the lens mount. If the power is turned off, the shutter will close and the shutter curtains or reflex mirror might get damaged.
- Never use canned air or gas to clean the sensor. The blowing force can damage the sensor or the spray gas can freeze on the sensor.
- If a smudge that cannot be removed with a blower remains, having the sensor cleaned by a Canon Service Center is recommended.
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