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Author Topic: Canon S-400
Robert Gutermuth
Posts: 1
From: Leominster, MA, USA
Registered: Jan 2015

 - posted October 26, 2017 10:02 AM      Profile for Robert Gutermuth   Email Robert Gutermuth   Send New Private Message       Edit/Delete Post 
Hi All,

I have a few Canon S-400 projectors that I love using as part of my video transferring business. I have many others too (chinon, Sanyko, etc) but for silent film, I love the Canon's

Anyways my question is this - on many or all of my units, even after I clean the glass on both sides, I still see greyish vertical lines/bars/streaks - in some cases they are light, in some cases they are more pronounced.

Does anyone have a solution to this problem? could the blades of the shutter cause this? new bulb, lens is perfect (swapped them to be sure, no change) - I just want a nice uniform white screen!

Thanks to all of you! - looking forward to hearing back on your ideas, esp if you know this projector, and you understand what Im talking about


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frank arnstein
Jedi Master Film Handler

Posts: 534
From: Gold Coast. Australia
Registered: Jan 2005

 - posted October 27, 2017 07:06 AM      Profile for frank arnstein   Author's Homepage     Send New Private Message       Edit/Delete Post 
Hi Robert

Your answer may be found in this old thread from 2011..

Topic: Sankyo Dualux 1000 Image Vignetting. starring Janice....

You can soon look it up doing a search.

To sum it up though.....the cure is to replace the discolored glass heat shield with a new one or simply remove it altogether. If you do remove it then watch out for a burnt film frame if the projector stops with the lamp still on.

good luck with it...

dogtor frankarnstein [Smile] [Wink]

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