Question about Canon PIXMA MP760 All-In-One InkJet Printer

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Prints colour but not text ip4000 I have not used my inkjet printer for over 18 months. I have just replaced all cartridges but the printer does not print black text. I have tried the deep cleaning for the nozzle about 5 times but this makes no difference

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  • Han_Teunisse Feb 13, 2009

    Yes, I have the same problem. My printer (MP760) prints colours but no black. Replaced the Printer Head, but that didnĀ“t solve the problem.



    Please advise how to solve this problem?

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Prints colour but ne text
Epson printer

Posted on Dec 08, 2008

OK Ashok421
This is a suggestion only.
Disclamer, If you do the suggestions below, then it's your fault if you muck up your printer head further, not mine, but they worked for me.

OK its school time.
It could be dried out ink in the channels, the ink flows out of the clear ink cartridge onto a gauze, from there it flows through passageways to the ink jets, where it is spurted onto the paper.

OK its Dr time
If the ink has been alowed to dry out because of lack of use, the longer the printer sat idle, the worse the drying out becomes.

OK its fixit time
So I can only recomend you take out the ink tanks, then lift up the ink base securing leaver to release the ink cradle, take it to your sink and get rid of any ink by turning it upside down, then right it. Next get some blotting or kitchen towel and see if the dry towel will "sponge" the ink out.

If that dosent work, wet the kitchen towel with hot water, then sit the whole unit on the wet towel and allow it to try and soften the hardened ink, (you might have to let it sit there for a few hours).

If the above dosent work then stronger measures are call for.

I heard that Windex, window cleaner might work, No guarantees.

OK its Crowbar fix time.
Fill a syrenge with warm water and spirt it upwards into the jet area itself, then sit it back on the kitchen towell. Do the same from the top ink input end, DONT touch the syrenge to any surfaces or you will scratch or break the unit.

You might have to do this a few times before the ink can flow freely.

There are now 3 other posibilities left, 1st the ink has dried out to a brick like substance, or 2nd the ink jets are fried trying to spurt ink that wont spirt, so the ink goes hard as a stone, 3rd the wires in the flexable membrane has fried. (happenned to me during a very long printout).

After cleaning the ink head, turn it over and look for a pinhead size blackened hole, through the flexable membrane, you could try and bridge the wires if you were technically savy and had experience with SMD devices, but unless you know what you are doing, ..........

If that wont work, count to 1000 and buy another ink doover.
My enquiries today produced a figure about $160 australian. (yep a ripppp offff)

LEAKING INK fix
You have put a new full cartridge in the printer, and within an hour it is empty.
The ink in a mess all inside the ink wells, remove the whole unit and wash in running water.
Dry it in the sun, then take it back to the printer.

Where the opening of the new ink goes is a biggish soft black rubber seal.
Remove the black rubber seal, get a coupple of "ire-lets", they are used in strengthing A4 paper sheets placed in a leavered file,(they look like tiny donuts), then place 2 over each leaking black post.Then put the rubber seal on top of the black post.
This rases the black rubber seal so it will sit snugly against the ink tank(s).



Posted on Oct 06, 2008

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