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

Posted on 2009-07-01
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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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Question by:wojtow
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by:☠ MASQ ☠
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Are the cartridges in date?
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by:wojtow
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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?
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by:wojtow
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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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☠ MASQ ☠ earned 250 total points
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Yes unfortunately it does know the printheads are out of date.  It also knows how long exisiting printheads have been in use.  Some forums report you can wind back the system clock on your PC (just adjusting the year) to fool the hardware into allowing the cartridges to run but I've never seen this demonstrated.  The printheads usually have three years on them from purchase.  It may be your only solution is to buy in date printheads for the colors affected.  You should be able to get printhead status via the HP driver information in Windows.
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