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- Re: Printer will not print black after changing cartridge

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01-11-2013 05:28 PM
I am not an HP employee.
01-12-2013 11:02 AM
This solved my problem of Black not printing on HP Officejet 6310 Printer. You need to keep the cartridge print head for black ink in hot water for 2 minutes (dip only the bottom of the cartridge in water) and then take it out and dab with tissue paper to dry it. Put it back into the printer.. viola, it starts working.
The dipping in hot water causes cartridge printhead to hydrate. See this video how to clean cartridge printhead in hotwater:
http://www.youtube.com/watch?v=Ztl_SiUdPLw
01-12-2013 11:05 AM
The dipping in hot water causes cartridge printhead to hydrate. See this video how to clean cartridge printhead in hotwater:
http://www.youtube.com/watch?v=Ztl_SiUdPLw
02-02-2013 01:17 PM
I tried what is written below. I was hopeful, but it had no effect on this problem for my Photosmart C309g
" I looked at several blogs on the HP site which concerned problems similar to mine. I combined several approaches and now have a printer that works correctly. I removed the print head and soaked it for three 5-minute cycles in hot (~170 F) distilled water about 3/4 inch deep with continuous mild agitation. The first soaking quickly turned the water black, the second ended with the water a dark grey color, but the third rinse was nearly clear. The hot distilled water dissolved the dried ink in the small ink passages from the cartridges to the ink ejection part of the print head. I then carefully dried the print head as per instructions, cleaned the electrical contacts on the printer, and placed the print head and the ink cartridges in the printer. I turned off the printer, then unplugged it for one minute. I the plugged it in and turned it on, allowing it to print an alignment sheet. Because some water remained in the ink passageways, the sheet had some blank areas but a homemade test sheet which has small samples of many color dots and words in every Word color was then printed with very good results. The printer has now worked perfectly for a week."
