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Archived This topic has been archived. Information and links in this thread may no longer be available or relevant. If you have a question create a new topic by clicking here and select the appropriate board.
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If you can locate it, it must be easy to replace. All you need is a soldering iron and solder you can get at Radio Shack. They might have the capacitor as well.

I like to have an idea where the culprit is located on the board before taking the printer apart.

I’d appreciate a reply from anyone who can answer my question.

Thanks to this forum…

  

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The right side of the printer take off the coverand then four screws that hold the circuit board in place. It is the one close to the edge of the board. You need to unsolder the bad cap and you can usually tell a bad cap by the swelled up top. When putting in a new one watch for positive and negative side, it needs to be put in the right way. Thats all folks

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Thank you for your reply.

As a matter of fact I already took the capacitor out. You’re right; it must be the heat that makes it expand. I ordered a new one online from http://www.digikey.com/ because Radio Shack doesn’t carry it in store. Fry’s has one 330Mf 16Volts instead of 10Volts which I know shouldn’t be a problem but I didn’t want to take any chances...

I’ll be back with an update as soon as I get it up and running.

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I need help with "inksystem failure" message. After shutting down and restarting, it works for a while then starts all over again with same failure code Oxc19a0035.

 

Help

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I tried everything that has been recommended but the problem is chronic. I have high hopes replacing the capacitor will fix the problem permanently.

I replaced all ink cartridges by genuine fresh non expired HP ones.

I performed deep cleaning and alignment many times.

I did the error reset described above.

I also did the deep reset by removing and reinstalling the CMOS battery on the same board which only helped in resetting the time and the ink expired message from one of the expired cartridges.

But the original problem persisted. It’s obvious it needs surgery by someone who has some knowledge about unsoldering and soldering electronic components.

The circuit board is on the right side of the machine. 3 black screws need to be unscrewed. It’s a bit tricky to remove the plastic side cover as well through some manipulation. Be patient and try not breaking it… Once you remove the plastic cover, you need to unscrew about 5 chrome screws in order to lift the circuit board. The bad capacitor is in very visible in the middle of the board close to the lower edge of the printer. Apparently it’s the only one 330uF 10V that I’m aware of.

God luck to all of us….

Joe

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I installed the capacitor yesterday and it’s been running flawlessly since. I think this is a permanent fix thanks to Andy’s advice.

It might be handy to know how to reset the printer and clear its faults according the above described procedures.

I noticed there is another swollen capacitor on the same board. I think I might replace it soon in order to prevent damage to more sensitive components that could be caused by current leak from the sick capacitor.

Thanks again to Andy and the forum…

Joe,

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I am having the same experience with my All-in-One 7200.  It was working fine until I replaced the black ink cartridge.  It doesn't recognize that I replaced it .  Still says that it is empty.  When I try to print I get error message Oxc 18a 0001 ink system failed, etc.

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This is a different issue you are having. If your new ink cartridge is a refill, I suspect it’s the problem. My understanding there is a microchip in each cartridge that needs to be reset in order to show its actual ink level. You may want to Google HP 02 ink cartridge chip reset: Here is one result: http://www.refillinstructions.com/HP/H36.htm

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the problem started with an upload of an update.  Is there anyway to get drivers with updates through last summer?

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