Question about Olympus MJU 400 Digital Camera

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Lens cover doesn't open when switching on

The lens cover doesn't open when switching on the camera. The camera works when in PLAY mode, but the lens coves doesn't slide when in CAMERA mode thus cannot take pictures.

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Not quite certain how the problem actually manifests itself.

If the sliding cover just will not slide back to expose the lens and switch the camera to capture mode then it might be impact damage due to being dropped. However it might also be due to the mechanism seizing up through lack of grease or jamming due to the two small spring loaded bearings that give the mech its snap locking action.

If the cover moves freely but the lens does not extend and the camera does not go to the capture mode of operation then.

You are probably suffering from the most common fault with the MJU 300/400 range of cameras that the black plastic armature operated by the sliding action becomes loosened from the case resulting initially in the cover becoming sloppy and causing the lens to keep closing erratically. More importantly the plastic armature which is positioned to operate a tiny Surface Mounted switch can cause the fragile plastic 'nib' to break off. It is this switch that in effect turns the camera on. If this is what has happened, it is the most common fault, there is very little that can be done as a DIY repair unless you have access to speciallised SMD soldering equipment, experience in this type of repair and most importantly a source of supply for the SMD switch. I have as yet been unable to identify the type or supplier myself. The alternative is to take the camera to an authorised repair shop. This is the expensive route but you might be able to keep the costs down by making it obvious that you know what the fault is etc.


Posted on Dec 24, 2009

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If you've recently dropped the camera you may have damaged the lens tube (housing) or jarred the zoom mechanism off of its track. Either one of those problems will require professional repair. If it hasn't suffered from a drop, your problem may be due to weak/worn out batteries or corrosion on the battery contacts inside the camera which can prevent the full power of the batteries from flowing into the camera. Try this free fix before you do anything else: remove the batteries and wipe the camera contacts firmly with a dry cloth (heavy corrosion may require cleaning with a wire brush, steel wool, or sandpaper). Remove any residue that may have fallen into the battery compartment during cleaning, then wipe both ends of the batteries and place them back in the camera. This cleaning clears the problem about 90% of the time. If it doesn't work for you, your batteries may be to weak/worn to properly power the camera, or the camera may require professional repair.

Posted on Oct 16, 2009

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Posted on Jan 02, 2017

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Hello

The problem is that the lens has become stuck in the barrel. There are some DIY solutions you could try, but the probability is that you will have to get it fixed by a professional.

Use these at own risk as it may further damage the camera.

Firstly , try connecting your ac adapter or usb cable.

Try holding the shutter button while switching on the camera.

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Try hitting your camera near the lens on the body with the soft tissue on the palm of your hand.

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If it is still under warranty I would suggest you take it in before trying any of these steps and remove any off-brand batteries or accessories as some stores are really fussy about warranty repairs on camera's with non-brand accessories.

You can also have a look at THIS link.

Hope the advise is useful. please do not hesitate to let me know if you need any further assistance.

Regards
Andrea

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