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Ian_Hoyle
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problems after replaceing expired ink cartridges

HP Recommended
desighjet z2100
Microsoft Windows 10 (64-bit)

I have replace 2 expired ink cartridges, LM and LC.

I have been able to print pictures, but I am having trouble printing an A3 sheet which is all LC and LM, a graduated background with some text. The sheet prints OK until the last 3 inches when the LC stops and the LM goes striped. I have tried cleaning the print heads and printing test pattern, seems OK, but it prints the sheet as above. I have tried leaving it alone for a week or so, but the print does the same thing again, and again.

I assume the expired ink is partially blocking the system.

What should I do? Should I replace the print head?

Any help much appreciated.

 

Ian

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Repairatrooper
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If you are getting 3/4 of a page normal then it is unlikely that you have clogged heads. As well, expired ink is unlikely to damage the printer, in fact you can run expired ink but you are given a warning. I would suggest that you run the print quality test to see how the print heads are before you go about replacing anything.

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Ian_Hoyle
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Hi Repairatrooper,

 

After the printer has not been used for a while the head check print is good.

 

I replaced the expired ink, with about 20mil left, because of this print problem, so it obviously was not the expired ink causing the problem.

 

It is possible that the ink pressuring mechanism is faulty on those inks?

 

Ian

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