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HP Designjet 5000ps won't accept new print heads (reseat error)

wojtow
wojtow asked
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Last Modified: 2013-12-15
We have a Designjet 5000ps.  Some of the print heads need replacing due to normal wear... magenta, black, light cyan.  When I insert any of these new print heads with the exact same part number new ones, the printer says "RESEAT" on the display for that printhead.

Multiple reinsertions do not help.  If I reinsert the old printhead for that color it says OK again and will print normally (though with degraded quality or calibration failure due to the worn print heads)   It is the same for any of the three new printheads in any combination.

I have, of course, removed the protective tape, etc on the new print heads, and inspected them and the contacts in the carriage for any problems... none obvious.    I have also thoroughly cleaned the contacts in the carriage using the official carriage interconnect wiper kit.

Have not tried different new print heads yet, as it seems unlikely that three different new print heads would be bad.

I had the carriage and cable assembly out about 6 months ago for belt replacement, and the cable assembly looked to be in good shape and has been working fine up until now, and it does still work with the old print heads, so I don't think it's the cable assembly.

How do I get it to accept the new print heads?


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Most Valuable Expert 2013

Commented:
Are the cartridges in date?

Author

Commented:
No, it seems that they have expired date wise.   The old ones lasted alot longer than we expected and we just kept printing with them, so the replacements have been around longer.   I understand that they're no longer in warranty and the quality could be impacted, but should it matter to the printer?    Does it have the ability to know?

Author

Commented:
I'll add that the reseat error is 2X06   (where X corresponds to the color such as 5 for lcyan).  According to the service manual, the first digit of 2 means "83 print head in warranty"... as the new ones have 0ml usage on them)

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Most Valuable Expert 2013
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