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Thanks for using JustAnswer, the internet's independent site for Q&A consulting. I'm "DrKlahn," and I'd like to help you with this question.
I have a vertical line on my scanned images which gets darker with each scan. I have a Canon Pixma 922. I've tried cleaning the glass but still have the same problem
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Thank you. I suspect a pixel failure in the scan bar, so let's see if that fits with the problem details.
About how wide is the vertical line?
about an eighth of an inch, max...it started as a hairlilne
Where is the line located?
straight down the middle
In the exact middle, or off to one side a bit?
just one moment...
slightly to the right
No problem. Proceed at your own pace.
Are the edges sharp, or are they fuzzy? This may be hard to determine if the failure started out light and is getting darker.
they appear sharp to me
This is consistent with a progressive pixel failure starting with one bad scan element on the scan bar.
Is the entire line the same darkness or does it shade from center to the edges?
wow...i have not had this printer 6 months...the line is dark grey the entire line is the same darkness
Without putting the scan bar on the factory's testing equipment this is an educated guess, but I think that one pixel on the scan bar failed, and the failure is progressing outward from there. As each element fails the one next to it then is stressed, and so the failure proceeds outward.
This is fully covered under the Canon one year warranty.
Depending on where it was purchased, the printer might be returnable to the point of purchase or it might need to go to a Canon repair center.
Okay...i will check with canon...it was purchased from a Best Buy
Best Buy can be sticky about exchanges if the "extended purchase coverage" is not purchased. In my own opinion that is a waste, since most electronics is covered for a year, and when it is purchased with an American Express or Visa card, the card generally doubles the manufacturer's warranty.
Please bear with me a moment while I get you the contact information for Canon's support.
By the way, this is not your fault and nothing you did caused it.
You have provided excellent service; I still have the manual with the mfg. contact information. THANKS!
OK. Here's the online contact link in case you need it:
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No thanks, XXXXX XXXXX need to pay the rest of the fee.
I thought maybe there were special cleaning instructions available
No, when there is a scratch on the glass it generally looks like a light gray streak on the scan. When that happens it can often be somewhat alleviated with an automotive windshield glass crack filler, but the real solution is to not put any documents with staples on the glass without exercising care that the staples do not scratch the glass.
Scanner plates are always glass and never plastic, by the way, because plastic scratches far too easily.
Any household glass cleaner will do to clean a scanner plate as long as none of the solution gets over the edges of the plate. Safer to apply the cleaner to a soft rag than to spray it on the plate.
will plain water work?
It will, and it will work fine as long as the glass is relatively clean to start with. If any grease or fingerprints are on the glass, either glass cleaner or one drop of detergent in a glass of water will clean it up.
If liquid gets around the edges of the plate it can drip into the electronics, so use cleaner sparingly.
Is there any other computer-related problem I might be able to help with tonight? If not, let me know and I'll bring in the closing information so that I don't delay you unnecessarily.
no...nothing else is needed.
Thank you. Here's the closing information, then ...
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