Question about Kodak Carousel 4400 Slide Projector

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No light going through lens despite functioning bulb and mirrors

Light source appears to be blocked in front of the lens, no transmission through the lens. Also forward/backward switches do not work, just get a buzzing sound only

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The blackout shutter is on a very sensitive "trigger". When the two silver pressure pads that push against a slide inside the gate (aperture) are flat against the gate- that is no slide in place - the pads are linked to the trigger and make the blackout shutter stay up, blocking light from hitting the screen when no slide is in place. When there is a slide, the pads trigger the spring mounted shutter to fall down.

Least likely but possible is that the spring has come off one end of the shutter.If so, disassembly of the projector casing , not the mechanism, will be needed.

Most likely is that the trigger is out of adjustment. It's fairly simple but if you overcompensate and/or don't understand exactly how it works you can end up with the shutter not working at all.If that happens the projector will still work but the light will flash on the screen at each slide change. So whether you want to tackle it will depend on your comfort zone as far as 'fine" adjustments go. If you don't get it right you may have to do some major dissasembly of the projector to get to the mechanism. You will not need to take any part of the mechanism apart however.

Just thought of one other possibility. Look into the side of the gate where the slides fall into, with a strong flashlight. you'll see the trigger (black, part of the shutter itself) and you may be able to see where it makes very tenuous, light contact with another part of the mechanism (depending on the model). Carefully clean it with a Q-tip and WD 40 or alcohol. Be careful not to leave any cotton behind. Then apply, with the tube of the Q-tip, some very light grease, and only a tiny bit. Recommended is Super Lube with Teflon available from many industrial supply stores and inter net sites.If the old lube and/or dirt have piled up there, this may be all you need to do.

As for docjibe's problem with no forward/advance, it's a common problem and it means a critical nylon link has broken inside. it usually takes an expert to do the job correctly. In a pinch, you can, with some experience to get the right "touch", gently and quickly brush down and outwards with your thumb, on the grey button marked Select.The tray will usually advance.

Posted on Feb 06, 2008

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No light source through lens


The blackout shutter is on a very sensitive "trigger". When the two silver pressure pads that push against a slide inside the gate (aperture) are flat against the gate- that is no slide in place - the pads are linked to the trigger and make the blackout shutter stay up, blocking light from hitting the screen when no slide is in place. When there is a slide, the pads trigger the spring mounted shutter to fall down.

Least likely but possible is that the spring has come off one end of the shutter.If so, disassembly of the projector casing , not the mechanism, will be needed.

Most likely is that the trigger is out of adjustment. It's fairly simple but if you overcompensate and/or don't understand exactly how it works you can end up with the shutter not working at all.If that happens the projector will still work but the light will flash on the screen at each slide change. So whether you want to tackle it will depend on your comfort zone as far as 'fine" adjustments go. If you don't get it right you may have to do some major dissasembly of the projector to get to the mechanism. You will not need to take any part of the mechanism apart however.

Just thought of one other possibility. Look into the side of the gate where the slides fall into, with a strong flashlight. you'll see the trigger (black, part of the shutter itself) and you may be able to see where it makes very tenuous, light contact with another part of the mechanism (depending on the model). Carefully clean it with a Q-tip and WD 40 or alcohol. Be careful not to leave any cotton behind. Then apply, with the tube of the Q-tip, some very light grease, and only a tiny bit. Recommended is Super Lube with Teflon available from many industrial supply stores and inter net sites.If the old lube and/or dirt have piled up there, this may be all you need to do.

As for docjibe's problem with no forward/advance, it's a common problem and it means a critical nylon link has broken inside. it usually takes an expert to do the job correctly. In a pinch, you can, with some experience to get the right "touch", gently and quickly brush down and outwards with your thumb, on the grey button marked Select.The tray will usually advance.

Dec 01, 2007 | Kodak Carousel 4400 Slide Projector

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