Question about Lexmark X4550 InkJet Printer
There are a small number of #23/#24 cartridges that are not properly recognized by the printer. Lexmark has a firmware upgrade to correct this issue. The upgrade for the X3430 is available from Lexmark at:
To install the firmware upgrade,
When the update finishes the printer will restart and will accept the cartridges. Please contact Lexmark support if this does not fix the problem.
This works for the X3550 and X4550 models. A similar patch is available for the X3430 and Z1420 models. See http://bit.ly/LoXxv
Posted on Jun 25, 2009
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Posted on Jan 02, 2017
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