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Freddy M.
Freddy M., Technician
Category: Printers
Satisfied Customers: 18409
Experience:  Years of experience
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I've just switched on my Pixma 9500II after it's been in storage

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I've just switched on my Pixma 9500II after it's been in storage for a year.
I've swapped out all of the ink cartridges and replaced with new. I've gone through the process of cleaning and deep cleaning the print heads / nozzles.
When I print the test pattern, all of the inks look fine... with the exception of yellow, which simply is not printing at all.
I've gone through the cleaning process 6 times and I've deep cleaned too. It hasn't made a difference.
Can you help?
Hello my name is***** look forward to assisting and am very sorry to hear that you are having this problem.
I want to warn you that it is possible you will need to replace a part in order to fix this.
There are a few different things that can cause this and a couple different parts so we would need to troubleshoot to find out for sure.

Let's try doing a manual cleaning of the machine and see if that helps at all.
If you have any trouble or get stuck at any point please let me know so I can help you.

Remove all the ink cartridges from the machine.
Then clean the contacts on the cartridges as well as inside the machine itself.
Do this with a small amount of warm water on a cotton swab until no ink comes off on the swab.
If any of the other cartridges are low, empty, leaking or bulging replace them.

Now once you have done all of that turn off the machine and unplug it for 70 seconds
Plug it back it and wait for the insert cartridges message
Insert the cartridges and check to see if the problem is still there.

If this did not work please come back and let me know by clicking on reply to expert so we can continue.
If it did work please don’t forget to leave a positive rating it is greatly appreciated.

Customer: replied 3 years ago.


I've just been through the process you suggested and I'm afraid it has made no difference.

All of the inks are printing on the test pattern with the exception of the yellow one.

It sounds like the nozzle is clogged, have you used anything else to clean yet?
Customer: replied 3 years ago.

I've just tried with warm water on a cotton swab

Ok the next step would be to try a print head cleaning kit like this one: Click Here It says Brother but it works with all brands as all kits come with the same thing. It comes with solution that dissolves dried ink that may in the ink line a syringe and instructions. If this still does not work it is it means the cradle you insert the cartridges into has failed. In order to fix this the print head inside the printer needs to be replaced.

I really hate to have to tell you this but after the troubleshooting we have done if the problem is still there I am sorry to say you indeed are going to require a new part. I know this is not what you want to here but I want to make sure I am honest with the information I provide you. You would need to replace the part you insert the cartridges into inside the printer itself in order to fix this issue. If you have any questions at all click on reply to expert and let me know. If not please don’t forget to leave a positive rating for my help - it is greatly appreciated. Please note you are rating me only not this site or your Canon.
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