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It's possible that the cartridge, refilled, is not recognized by the printer... unless it is a genuine Primera OEM original cartridge. In which case a reset would not help the situation.
In that event, trying another (not refilled) cartridge would be the likeliest course to a solution.
If it is not that sort of situation, then trying the LX900 reset would most likely not harm anything and might help... but tell me what reset you mean, please. Thanks.