Dariusz, I believe that my colleague pollytintop is right., There is a micro switch that is being engaged ( or disengaged) pending if you use a horseshoe flash. See if that one is stuck. For a more in depth repair, download the service manual for your camera [http://www.keepandshare.com/doc/3164925/canon-eos-350d-service-and-parts-copy-pdf-september-27-2011-8-58-am-66-4-meg?da=y|from here] It is a large document and depending on your connect speed may take a while ;-) Let us know how it is going and good luck.
Dariusz, I believe that my colleague pollytintop is right., There is a micro switch that is being engaged ( or disengaged) pending if you use a horseshoe flash. See if that one is stuck. For a more in depth repair, download the service manual for your camera [http://www.keepandshare.com/doc/3164925/canon-eos-350d-service-and-parts-copy-pdf-september-27-2011-8-58-am-66-4-meg?da=y|from here] It is a large document and depending on your connect speed may take a while ;-) Let us know how it is going and good luck.
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