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I fixed this by changing the Copy Intensity from Auto to Manual I had the same paper jam (caused by pressing Stop during a page going into the ADF), but I had pressed OK as instructed and the page was auto fed back out again. Then I couldnt copy from ADF after that. I tried everything, and then started to retrace my steps of all the things I might have tinkered with to try and get the copying working in the first place, before the paper jam. Then I remembered I had set the Copy Intensity from Manual to Auto (thinking Auto is always best). With hindsight, it now makes sense for it to be manual with the ADF as otherwise how would it load a page, use it to set auto density, and then reload it again for the actual copy to occur. This happens okay on the flatbed scanner as it can scan a little, work out the settings, and then scan for real. Copy Intensity is reached on my Canon MX from the Menu button at the bottom left of the front panel. - Then press the right arrow twice to get to Color Intensity. - Hit OK. - Then right arrow from "Auto" to "Manual Adjust"- Then pick a setting or leave it as half-way between light and dark- Press OK Now every time my ADF copying works a treat. Thats what I get for tinkering in things I didn't need to change in the first place. I was just trying to get a quick copy going from ADF to paper without saving a file up on the computer and then printing.
Symptom: Black or Blank image while copying or scanning. Part suspect rating: Scan head..70% Scan head cable...25% Formatter...5% For tech guys only: Remove ADF unit from the printer, remove both side covers of adf, remove & replace scan head, check... Replace scan head
Check scan head movement while copying/scanning..if its not moving check scan head gear assm any breakage? replace it. If its moving properly and giving blank image scan head faulty(which is moving forward & revers wile scanning or copying) replace it..
If it is only causing an image problem when you copy and not when you print, then there is something wrong with the optics under the glass. Check and see if you have any mirrors out of place or if the scanner looks crooked. If you have the machine set up to scan try and scan to SMB or email to see if it still has the problem. If everything looks correct under the glass and scans to SMB and email look bad like the copies, you may have a bad CCD assembly, or a bad board.
I would type it all out but hp has a great little document - complete with pictures!! The issue is that there is something on the small strip of glass that is used for the feeder and needs to be cleaned.
If the color cartridge doesn't print the color bars on the alignment page (either, redish pink, yellow or blue) then the alignment process will not finish. Same for the black. If the black cartridge is printing ok, then replace the color cartridge and try this again...
Even a single grain of dust or a single strand of hair on the scanning glass will cause the scan head to perceive ink/image where there is none. Deffinetly try cleaning the glass using a good window cleaner, and a cloth that is completely clean, or even a peice of newspaper. If the black line remains, I would suggest taking it into a service center to have the scan head itself cleaned.