I have a cannon ip5200 and the amber light flashes 7 times. canon online says this is a deffective print cartridge or a cartridge installed incorrectly, but i replaced them all and verified correct installation and i still have the light.

Press the "Stop" button and hold it down until the amber light stops flashing that should reset it.

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I too went through all the cleaning processes on my i860 with its amber light blinking five times to one of green. After all that time and effort, I ordered a new head, replaced it, put the old ink carts back in, and presto, worked like a charm. Don't waste time and money doing anything else.

Need more information how many times flashing orange light to target where the problem.

5 flashes indicates a faulty printhead or possibly a problem with the p/head contacts. Try removing the head which is easier if you take the cartridges out first(no tools required) and re-seat it having checked the contacts for dirt.

If that doesn't work it may be that the waste ink tank is full. Try this ...

Canon S9000, S300, S400, i550, i560, i850, i860, i865, i9100, i9950, PIXMA iP3000 above,
1. Turn off printer
2. Hold down Resume button and press Power button.
3. Keep holding down Power button and let Resume button go.
4. Press Resume button 2 times then let BOTH buttons go.
5. Green lights will flash and then stop blinking.
6. When green lights are solid, press the Resume button 4 times.
7. Press the Power button and the printer should turn off, if not, press the Power button once more.
8. Your printer should respond as normal.

it is problem your printer is wast tank is full it is service error

UR ink pad needs to be replaced

I believe that 7 amber flashes refer to a cartridge error. Check that the cartridge is seated correctly.

This might have something to do with canon's absurd print cartridge limitation agreement.... where the print cartridge will only print for a certain limit and then locks

According to the service manual, that is an 'ASF (cam) sensor error' and solution being to replace the 'Sheet feed unit'.