cyan not printing- Canon Pixma Pro9500 Mark II

[The Hat]

OK lets say for argument sake that the purge unit is some how clogged or blocked with old ink, and you have rightly pointed out that the printer has not been used for many months and yet all but one of the heads were completely cleaned by the same purge unit.

I will accept that you have some valued points, but if you go back and read the OP first post you’ll see he has already run 3 x deep head cleans, and that is a huge amount of cleaning and purging, and more than enough to clear out any residue of old ink.

The original owner of this printer probably sold it because they had no ink left or the print head was looking suspect and didn’t want to spend another $ on it, so not having a previous nozzle check we’ll never know that.

A purge unit in any condition working or otherwise cannot damage a print head, it’s the opposite in fact a printer without a properly functioning purge unit will not print properly because this unit is solely responsible for creating the vacuum and capillary action between the nozzles and the cartridges..

 

[palombian]

The chance that the previous owner had profound knowledge on the state of his printer is limited, so he probably just was fed up with the ink cost.

Buying a second hand printer always is a gamble, even a perfect printhead can fail the next day.
If the nozzle checks are not immaculate (inspect with a magnifying glass) after one or two cleaning cycles, go away, the printer is worn out, neglected and/or used with junk cartridges.
You still can find printers with less than 500 pages on their second set of OEM cartridges !

PRO 9500's do not clog easily, I had one standing still for over a year, after changing the cartridges it was fine (the ink dried in the cartridges, especially yellow).
Alas, 6 months later the head failed after showing electrical problems (on the cyan by coincidence).

 

[berttheghost]

OK lets say for argument sake that the purge unit is some how clogged or blocked with old ink, and you have rightly pointed out that the printer has not been used for many months and yet all but one of the heads were completely cleaned by the same purge unit.

I will accept that you have some valued points, but if you go back and read the OP first post you’ll see he has already run 3 x deep head cleans, and that is a huge amount of cleaning and purging, and more than enough to clear out any residue of old ink.

The original owner of this printer probably sold it because they had no ink left or the print head was looking suspect and didn’t want to spend another $ on it, so not having a previous nozzle check we’ll never know that.

A purge unit in any condition working or otherwise cannot damage a print head, it’s the opposite in fact a printer without a properly functioning purge unit will not print properly because this unit is solely responsible for creating the vacuum and capillary action between the nozzles and the cartridges..

NO!!!!!
You've misrepresented my posts, seemingly for the sake of 'winning' a non-argument! I have not suggested that the OP's purge pump is clogged! I have only suggested that the OP check and potentially clean the cap gaskets responsible for sealing the printhead against the purge unit! THIS IS STRAIGHT OUT OF THE TROUBLESHOOTING SECTION OF THE 9500 SERVICE MANUAL!

My post #8 clearly indicates that I suggested the cap gasket cleaning and why it is so important. And yes, a sufficiently leaky gasket surface along with periodic non-use WILL eventually ruin a printhead by an accumulation of clogged nozzles due to insufficient cleaning power.

BTW, I was under the impression that the inkjet nozzles generate their own vacuum and are solely responsible for drawing ink under normal circumstances.

I think that I should stay away for a while.

 

[western]

@berttheghost, while flooding the purge pad from time to time is not a bad thing to do but in the OP case it won’t help much because if the purge unit was bunged up then the other four colours would be in trouble too, blacks, grey and magenta..

Firstly, hi and welcome.

The 9500 if left unused for months will clog up the head a bit and the best thing to do before installing your new cartridges is to give them a good shake for about 20 seconds.

Now running a head clean is advisable after such a long perio
Under no circumstances should you print anything (Nozzle check excluded) till you can get your nozzle print perfect, doing so will render your print head useless for everyday work.

Running continued deep head cleans should be avoided, because it wastes all of your expensive inks and also if after two deep cleans the nozzle print isn’t clear then you’ll have to clean the print head externally yourself.

Because you don’t have the history of this printer you’ll have to suspect the head is damaged and if it isn’t then it will clean up with a good soaking in warm water, overnight with a couple of drops of washing–up liquid (Dreft/Fairy) and a squirt of Windex mixed in also.

Rinse the head under soft running water for a few seconds then thoroughly dry the head in a warm place before installing it back into the printer, run a normal head clean and do one nozzle print, then check that nozzle print against the previous ones, if clear then great but if not you’ll have to get a new head.

Good luck and please report back to us with any progress..

H

Firstly, hi and welcome.

The 9500 if left unused for months will clog up the head a bit and the best thing to do before installing your new cartridges is to give them a good shake for about 20 seconds.

Now running a head clean is advisable after such a long period of idleness and if that doesn’t work then do a normal head followed by one deep head clean, but after each head clean you must run a nozzle print to check your progress.

Under no circumstances should you print anything (Nozzle check excluded) till you can get your nozzle print perfect, doing so will render your print head useless for everyday work.

Running continued deep head cleans should be avoided, because it wastes all of your expensive inks and also if after two deep cleans the nozzle print isn’t clear then you’ll have to clean the print head externally yourself.

Because you don’t have the history of this printer you’ll have to suspect the head is damaged and if it isn’t then it will clean up with a good soaking in warm water, overnight with a couple of drops of washing–up liquid (Dreft/Fairy) and a squirt of Windex mixed in also.

Rinse the head under soft running water for a few seconds then thoroughly dry the head in a warm place before installing it back into the printer, run a normal head clean and do one nozzle print, then check that nozzle print against the previous ones, if clear then great but if not you’ll have to get a new head.

Good luck and please report back to us with any progress..

 

[western]

The cyan is printing now. I took out the printhead & put it back in. My Canon Pixma Pro 9500 Mark II did an automatic cleaning after I put the ink cartridges back in. I did a nozzle check & the cyan works fine! Canon customer service told me that taking out the printhead and putting it back in would re-seat the printhead. This worked. I didn't need to soak the printhead. Canon rep said to print once a week.
Thanks for the great advice!

 

[The Hat]

Thank you @western for reposting back to us and especially that you’re back in business again, I love successful outcomes..