Question about HP OfficeJet t45 All-In-One InkJet Printer

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HP Officejet T45 keeps telling me I have the wrong Ink Cartridge

I havean HP Officejet T45 printer. I replaced the Black Ink Cartrage HP45 with a New HP 45 Black Ink Cartridge and I keep getting the message "Wrong Black Ink Cartrage, Replace with correct cartrage."

I had a second HP45 Black Ink Cartrage and when I placed it into the printer I again get the same message.

I called my local printer service company and he told me that HP does not sell parts for thetheir HP Officejets and I should just buy a new printer.

How do I fix my HP Officejet T45 printer?

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  • Anonymous Jan 27, 2009

    Just bought three T45 B/W cartridges from CartridgeWorld, returning one out of a previous lot of three that wouldnt be accepted. The first two of the new lot are rejected as "wrong cartrige"; I haven't bothered to open the third.

    What gives? Does the HP OfficeJet T45 self destruct after a certain amount of years? Mine has had only light use.



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Clean the cartridge contacts and the printer contacts as shown here.

Bob Headrick, Microsoft MVP Printing/Imaging

Posted on Sep 19, 2009

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My hp deskjet is tellin me i have the wrong ink but its not

Posted on Mar 16, 2010


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Had color cartridge refilled, will not recognize cartridge

To safe guard against improper ink usage, it is possible that HP cartiridges will fail upon ink injection.

This is done to help save the printer from being damaged by using the wrong ink. Ink has a certain "thickness" or vescosity (to be technical). If the ink is too thick or not thick enough it can cause problems for the heads within the printer (the little parts that put the ink to the paper). If this is the case the heads can clog or drip which, in the end, causes problems for the printer and not just the cartridge. Problems with the printer will cost more money in the end.

Purchase an HP brand cartridge to replace the one within the printer.

Feb 28, 2011 | HP OfficeJet t45 All-In-One InkJet Printer

1 Answer

I have just unpacked my HP Officejet T45 All-in-one printer (which I bought years back) and I am encountering following problem: I just removed the seal from the cartridges. It keeps saying "Insert...


the seal you peel off has to be removed, so -- no , you did not do anything wrong or damage anything

and yes, after 6-9 months, ink cartridges have a an expiration date
they do not work, as the ink gets hard and canmnot be used.

buy new ink cartridges.. if its a bran new out oif the box item, just replace the consumables -- in this case the ink cartridges.

Oct 27, 2010 | HP OfficeJet t45 All-In-One InkJet Printer

1 Answer

I have an HP T45 that won't print, even with a new cartridge. Any ideas. BTW it has been sitting unused for sveral years.

Inkjet printers that have sat on the shelf for a while usually have dried up ink that is blocking your new ink from coming out.

Take it to a professional for an estimate, but I think you'll find the cost of a new printer to be a better deal in this case.

Good luck! Sorry the news isn't better!

Mar 15, 2010 | HP OfficeJet t45 All-In-One InkJet Printer

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Black Cartridge HP 27
Color cartridge HP 22
Photo cartridge HP 58

Jan 27, 2010 | HP OfficeJet t45 All-In-One InkJet Printer

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I have an hp T45 and it is telling me to clear the pen cartridge jam, what is that?

Your ink cartriges are jammed, I don't think it's economical to have it repaired.

Jul 31, 2009 | HP OfficeJet t45 All-In-One InkJet Printer

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I just installed a new black ink. The error message keeps on saying wrong color cartridge installed. I replaced with the correct one for my officejet v40. Black 15.

did you try changing the color cartridge too? I had problems with ink cartridges that were not HP cartridges.( not made by HP but some other co.)

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Make sure the power is on, and the shield drops, so you can access the black cover.

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Hp office jet t45

If you had inserted the cartridge the correct way the only solution here is the cartridge is faulty. Try installing a different one for your printer. I had that problem with installing the black one saying it wasn't there and the light on the printer of my HP flashed. I used another one and it worked perfectly. Some cartridges are faulty from the factory so return it where you got it and replace it with another one.

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1 Answer

HP t45 won't print after I replace ink cartridge

try original cartiages, that one could have something on it or be missing a contact.

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