Bent memory card reader pin on canon 350d

The repair shop, probably will charge more then a new camera, even newer than yours will cost. In my young years I had to learn to adjust relay contacts, and that was not easy, if you want them to survive all. I won't say it is impossible, but it would be a nasty job.
If it is only one pin you have bent, you could try to use one or two little knives or other small and flat tools, and coming from a different side, you could try to come on the pin. If they are not bent that much, you could try to use an old and defect CF card,
Use a little saw, to saw from top to bottom so you are left with a pice with just a few rows of contact holes. you could try to place the piece of the old memory card on a few pins endif they fit, careful press the part of the card down. Or if the pins are bent a lot. shift the part over the pins and try to bent them straight.
I don't know how far the pins are bent, but just try something, without opening the camera.

If they are only slightly bent you may be able to straighten them with a small flat screwdriver blade. If they are bent all the way down they will have to be replace - not a job for an amateur! If the two center pins are bent over and touching other pins, then there may be circuit damage - they are the power pins and touching other pins that are output pins blows part of the CF control circuit. This would require replacement of the rear circuit board, which requires programming with Canon software (which they do no supply to anyone)

Hello

The issues you are running into are indicative of two possible issues.

First, the memory card may simply be bad. But before you purchase or try another memory card, you need to look for the second possible issue. The second issue, which is typcially more common, is that inside the card slot on the camera, there are pins, it is possible that one or more of these pins has become bent or damaged. If you look inside you can usually see a pin or pins out of alignment or bent over. If that is the case, the camera will need to go in for service.

if camera pins are bent then CF card want sit properly you have repaire CF unit.

LOOK INSIDE THE CAMERA Card SLOT AND SEE IF ALL THE PINS ARE STRAIGHT You may have bent the pins which is easy to do. If they are bent it will be a serviceman job to replace the module

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The memory card could be bad, try formatting the memory card, or the camera could be damaged. Look inside the memory card door, take out the memory card and look at the little pins in the camera that the memory card connects to. If any are bent or missing then the camera will need a major repair to be fixed. This is something for Canon or qualified technician to fix.

It sounds like you have some bent pins in the card slot. Take it to a reputable camera repair and they can look and tell you for sure.

You need to send your camera in to Canon for repair. Sorry!

I've uploaded an expanded schematic of the 350D to this site which should hopefully appear in the next day or two - it gives you an idea of how to disassemble without being explicit instructions.
Hopefully this will help.

Very delicate - those pins can easily break off . Best to send it in for professional repair.