How to clean just the black on pro9000 head.

rodbam

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Gday All. My Pro9500 is now going to E-waste & I have to go back to using my Pro 9000 mk2. It seems the black is the only colour needing a clean out & I was wondering if there's a way to just clean out that one channel without upsetting the the other colours as the nozzle check on them looks good.
I have tubing which which fits over the head intakes so should I just fill that tube on the black channel?
I found a cleaning solvent mix on the net which is 10 parts dist water, 2 parts Iso pro, & 1 part ammonia. or is the Pharmacists solution of 3% PG glycol, 20% Iso pro, dist water the best way?
Here's my nozzle check & test pattern.
_MGL2972.jpg
_MGL2973.jpg
_MGL2974.jpg


I seems like all the colours are printing fine with some lines in the black or dark areas.
 

The Hat

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Gday All. My Pro9500 is now going to E-waste & I have to go back to using my Pro 9000 mk2.
Hi @rodbam, Sorry for your loss.. :sick :sick.... Beg borrow or steal a Pro 10...;)
you should know of all people not to be printing sample prints when you don’t have a complete nozzle check.. ! !

I have tubing which which fits over the head intakes so should I just fill that tube on the black channel?
Now don’t go in blindly and make matters worse, let the printer do the cleaning because it can do it better.

The first thing to do wound be to replace the black cart with a known good one, then let the printer do a normal head clean, followed by a nozzle check, if that was not successful then run one deep clean and follow that again with a nozzle check.

You can then compared both nozzle prints to see if there were any improvements, if yes then let the printer sit and don’t print anymore nozzle checks, (Return to normal printing) if no improvement then try flooding the purge pads with window cleaner and then run another normal cleaning cycle.

Wait 15 minutes and then try another nozzle check, you can save some ink by only cleaning one side of the print head (1), and cross your fingers that you get a 100% good nozzle print.. this time, otherwise you know what the dreadful outcome will be….:th

Capture.1234JPG.JPG
 

stratman

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Sorry to hear about your 9500. :hit

I think the method recommended by The Hat is the one I would try. Start with a new Black cartridge to rule out the most simple fix. Flush and refill a used cartridge is an alternative, but how do you know that cartridge doesn't have issues. Then proceed to the rest of the recommendations.

Unfortunately your printer cannot clean just the Black nozzles. From your User Manual:

1626189479751.png


You will burn through more than Black ink, so have full ink in all cartridges for the task ahead.


PS If Aussies are from the land down under, does that make @The Hat from the land up over??? ;)
 

rodbam

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Thanks The Hat & Stratman:) I bought a new oem Canon black cart & then did a deep clean & a nozzle check & it looks just the same to me. I let the printer sit for quite a while & did another nozzle check which also looks the same.
Do you think I should just nuke the black channel with Pharmacists solution with a tube full of solution?
Strat I think the anthropologists are still trying to work out where the Irish are from:)
_MGL2977.jpg
 

stratman

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Before going the tube route, try @The Hat's recommendation:

if no improvement then try flooding the purge pads with window cleaner and then run another normal cleaning cycle.

Wait 15 minutes and then try another nozzle check,

After a try or two I would flood the purge pads again, close the lid and let sit over night. Then try a nozzle check the next day. Let us know what happens.

You can always go later on to the tube or the print head flush and soak if all else does not improve the nozzle check.

I think the anthropologists are still trying to work out where the Irish are from
Pretty sure aliens. :gig:hide
 

rodbam

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I have been looking for a used Pro 10 but the closest places I have seen one is over 1,000 miles away in Melbourne. I wouldn't buy one without seeing it working.
 

rodbam

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Of course I forgot about flooding the purge pads I will do that & see what happens, Thanks:)
 

rodbam

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Flooded the purge pads with windex but no change in the nozzle check. I've just mixed up some Pharmacist solution & warmed it up & gently injected it just through the black channel. I got what looked to be a nice spray from the nozzle so I dried the head to give it a try out.
I did the clean nozzle thingy in the printer & then did a nozzle check with no discernible change so I will leave it overnight & do a nozzle check in the morning.
 

The Hat

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Strat I think the anthropologists are still trying to work out where the Irish are from ...
If you find out .. Then let me know and I’ll go visit and frighten the shite out of them all..:gig
I have been looking for a used Pro 10 but the closest places I have seen one is over 1,000 miles away in Melbourne. I wouldn't buy one without seeing it working.
I wouldn’t turn my nose up at a chance of a Pro 10 if I were you, the only caution needed is to have the print head removed while been transported, anyway a trip to Melbourne in the middle of winter is not recommended, that lot don’t know if there’re down under either..:lol:
P.S. I hope @3dogs is not tuned in…:hide

I reckon the head is lost on that printer too..Sorry...:( P.S. You should start your own landfill..
 

stratman

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nozzle check with no discernible change
Comparing the July 12 and July 13 nozzle checks seems like the July 13 image is brighter / more contrast and I can see more detail in the blacks of the vertical bars. Based on this, it looks like the the July 13 is worse, though on your end they may look essentially identical.

I do not like the loss of black at the ends of the vertical bars. This loss is constant despite your maneuvers. Depending on today's nozzle check you may have to resort to the tube or pulling the print head and do a couple weeks to a month of flush and soaks. At that point, you have little to lose, though you may want to grab a "new" printer like the Pro 10 The Hat suggests.

The bestand securest way of buying a used printer is to go see the condition of it, what cartridges are installed and if anything looks unusual about them, and run a nozzle check on the spot. The Pro 10 nozzle check will also tell you the number of pages printed, though it may have been reset with a Service Tool.

https://support.usa.canon.com/kb/index?page=content&id=ART151227
 
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