I've read the knowledge base at the Canon web site and this tells me I probably have a bad printhead. It powers on with green and then does 7 orange flashes and the printhead will not come to the center when the cover is opened. So I got a new printhead and installed it, and of course there is no change, still same 7 orange flashes.
So now I supposed someone is going to tell me,... well I guress it must be the main logic board then,... right. I hope someone else has a better diagnostic way to tell me what is really wrong. I'm getting tired of "Shotgunning" this thing and buying parts that are not broken.
I had the same problm the printer made loud noises, the head did not move and the light flashed orange. At the right most position where the print head rests there is a gear, gunk had the gear jammed I cleaned it with a paper towel lots of black ink came out, it is working fine for a couple of days now.
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Carefully slide and top covers off to reveal the print head. There is a device that slides back n forth and acts like a window cleaner squeegie on the printhead. This mechanism is probably stuck at its full extention rather than being back at home base. Every time you turn it on and off you should see it try to move but it will seem to be stuck. Give it a little assistance and that should release it. It can get glued up with drying ink. The mechanism that drives the sliding squeegee relies on a spring for it to return and the spring isn't strong, so the whole thing jams up...
which is probably what the code means - jammed mechanism.
There are probably flashing lights which tell you the problem, it flashes orange and green lights with a longer green flash and starts over again. There is probably a problem with the purge assembly which won't release the printhead lock. Sounds like a shop repair.
hi guys, Flash in orange 5 times indicates that the printhead is faulty so that the printer cannot detect the printhead. Rarely, faulty logic board and carriage unit may cause the same problem. Regards,