Question about Canon CanoScan 8400F Flatbed Scanner

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My CanoScan 8400F stopped working. A local computer shop advised that the power adapter was shot. Rather than spend $60+ with Canon, I bought an after-market through EBAY. When it was delivered I discovered that the plug into the scanner did not match the original although the advertised product specified the adapter was for this model. Can the plug from the dead adapter be spliced into the line from the replacement product?

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While you might be able to make this work, the risk of a short circuit and/or electrocution makes this option not very favorable in my opinion. I would suggest returning the non-compatible part to the seller if possible, and you will get most of your money back.
If you decide to go ahead with this in spite of the above warning, I do have a few thoughts:
If you have experience soldering, you might be able to get a professional grade connection by splicing and soldering the correct end onto the part. Be careful of pin polarity (+or- center pin) to make sure you don't zap your scanner. Also make sure that the new part has the same voltage, amperage, etc. as your old one before that. If you decide to go this way you also should be aware that any warranty, either on the scanner or the part you just bought, will likely be voided by altering the device.

Posted on Mar 15, 2011

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I'd try contacting the seller FIRST and letting him know the product does not work for the models he advertised and you'd like to return the item for a refund. If that doesn't work, THEN file a claim with your credit card company or Paypal (credit card is preferable if you paid by that rather than paypal funds) and say the item was misrepresented.
Rather than splicing anything and damaging anything, I'd do that first. Then find a seller with high ratings for the same product. Ebay is the way to go rather than paying ridiculous factory prices.See if you can find the original manufacturer's part # (possibly off your broken power adapter), rather than just the scanner model #, and search Ebay for it, but click the "Search within description" box, as many bay sellers only include the actual part # in the auction description, rather than just the title.

Posted on Mar 15, 2011

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