Question about Canon PIXMA MP540 All-In-One InkJet Printer
I have tried the suggested solutions of unplugging the machine and switching on again, with and without the cover being open. I have removed and replaced the print head and ensured that all cartridges have ink - these have been refilled, but usually the machine works with these. I have read somewhere that you can clean the print head with warm water, but this looks dramatic given the electronic bits therein. Ideas please?
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Posted on Jan 02, 2017
HI. Try holding the reset button for 6 seconds to overide the error. This may dissable the chip so it won't report but will allow you to keep printing. Simply check the ink tanks visually.
Refilling will give the same error too, again dissable the error.
Cheers Bob Monk (ink manufacturer firstname.lastname@example.org)
Posted on Jun 02, 2008
This kind of error indicates that your toner is not properly set or there is some paper jam. so please follow the instruction and open the panel and remove the toner and check for any kind of paper piece and than refit toner properly and close the panel and than check you will definatly able to resolve the problem ok
Posted on Dec 20, 2008
SOURCE: MP730 "wrong cartridge" error
I can tell you what I did.
I came up with this "wrong cartridge" problem today, searched around the web -- there are a number of ideas -- and then started off on my own.
Perspective: I bought this MP730 in 2003 and have been filling the same set of ink tanks since then. Never had a problem with that. Don't know offhand how many pages I've printed, but I refill the ink every couple of months.
What I did...
I removed the ink tanks and the print head. The print head area was all gunked up with ink as well as the flanges the print head sits on (still in the printer). I DID NOT dunk the print head in water. Something in me says water and electronics is not a good thing. The refill ink package I buy comes with printhead and cartridge cleaner -- smells like alcohol, but who knows. I used that and a combination of Q-tips and kleenex to clean any ink away from the print head and nearby surfaces. I also dripped some cleaner into the print head holes the ink tanks plug into and then dried off the whole print head assembly. I purposely did nothing else. That way, I'd know if I'd found the solution.
I put everything back together and fired it up. The printer cycled itself, removed the "wrong cartridge" message and stood ready for me to print. Finished, right??? Not so fast.
I printed out a Windows test page.....it was totally blank!!! Pause....printed out 2 more.... blank... Uh-Oh.
So, I lifted the lid on the printer, lifted the print head lever, jostled the print head a little to ensure good contact, put everything back together and printed another Windows test page....PERFECT!!!
Note: some writers mentioned cleaning a switch off to the right in the printer. I looked at that area and it IS pretty gunked up. But I didn't touch it to clean it up. That way I had a better idea of what DID fix it. I left it gunked. Of course, maybe all I really had to do was wiggled the print head and put it back together. But at least my print head is clean now. ;-)
So, that's all I did. Don't know if it wil help you, but it's a start.
Posted on Dec 29, 2008
Some printer brands have a cute scheme that reads a "new" cartridge as good, but the refilled one has a small fuse link that is burned out by the printer. Try factory new cartridges. Unplug the printer power for a bit to reset the printer.
Posted on Jul 17, 2009
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