Question about HP Photosmart C6180 All-In-One InkJet Printer

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Will not print cartridges out of date

Does anyone know where the cmos battery is on the Hp C7180 printer I was told that if you remove the cmos battery your printer will print if the cartridges are out of date. they have a date stamp on them even if the cartridge are full it will not print if they are out of date. What a waste my printer is A hp Photosmart C7180

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It's located just behind the power button near the front of the unit, on the right side (if you are facing it)

Posted on Dec 29, 2011

  • Waverly Hill Jan 01, 2012

    The information I gave is for the c7180, not the c6180.The cmos battery location for the c7180 is just behind the power button near the front of the unit on the right side (if you are facing it)


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Your link does not actually link to printers.. only to HP PC's but seems to be a mis-label by HP... no surprise there.

Posted on Mar 04, 2009

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My printer is the HP Officejet Pro L7580. Had the same problem with cartridge expiration date. Tried setting date backwards, but did not work. Learned that removing the battery should work. Only problem, where is the battery? Its position varies depending on the model. For mine, it is on the right side.

1) Remove the power and USB cable from the back.

2) Remove the two torx T-20 screws from the right plastic panel that surrounds the power and USB jacks.

3) Open the printer top to the second level (below the glass) and remove the one torx screw.

4) Slide the right side panel off to expose the green circuit board.

5) The battery is on the medial (toward the middle) side of the circuit board, so the circuit board has to be removed from the frame. Remove the 6 torx screws.

6) Gently pry (you may need a small screwdriver for some edges) the circuit board out. Be careful not to overly stretch any of the electrical wiring when handling the circuit board.

7) Flip the circuit board over to expose the battery, in my case, a CR2032. Pry the battery out with your fingers.

8) Fashion an insulator to fit between the terminals. I cut a disk out of an old bicycle inner tube. A disk cut from an old plastic credit card should work; just don't include the magnetic stripe! Insert insulating disk.

9) Put everything back together and test.

Posted on Nov 03, 2011

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I never heard of that for the C7180 all-in-one. Remove the ink cartridges. Dampen a rag with water. Slide the cartridges across the rag until you see ink. If yes, than good. Grab a couple of cotton swabs & drip a couple drops of alcohol onto a tip. Wipe the copper contacts off on the ink cartridges. Do the same to the contacts within the ink carriages. Replace the ink into the carriage.
From your computer, open Printer and Faxes. Make sure your HP C7180 all-in-one printer has a check mark next to it. If not, left click the C7180 once so its high-lighted. Than click "File" in the upper left corner of the window. Left click, "Set as Default printer". Than right click once on the C7180 & slide to & left click on Properties. In the next window click "Printing Preferences", Another window will open. Left click the "Services" tab. Click the "Service this device" button.
Than click, "Clean the Print Cartridges". When the printer finishes, click "Print a Test Page", button. (If you do not see ink on the test page than your ink cartridge are too clogged & you'll have no choice but to replace them).

Using the damp rag loosens possible clogged/dried up ink. Cleaning the contacts with alcohol removes oil from touching the copper contacts with your fingers, also removes dust. Always keep a cover over your printer when not in use. My current ink cartridges are at least 1+ year old. HP & other manufactures do use tracking software to monitor your ink cartridges in this fashion. If you remove an empty cartridge & re-fill it & replace the cartridge the software knows. Each cartridge has a tiny chip attached to it.
The internal software knows when you fill a ink cartridge & can shut down your ability to print. Forcing you to buy new ink cartridges. Below is the HP link for your C7180 printer.

Good luck timmer047!

Posted on Dec 17, 2008

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