HP330, new printhead alignment fails when new head installed

Hi,

The last couple of times I have installed new print heads, it is near the end of a head calibration, and it cancels, with the message in attached photo.

Has this happened to anyone else, any ideas?

Cheers

Nick

#1 Hi williamsandbrown6666, Try cleaning line sensor maybe it's dirty - https://hplatexknowledgecenter.com/storage/app/uploads/public/5bd/71c/796/5bd71c7962280827239833.pdf