Try to clean the belt inside the encoder film ,if it's contaminated with ink residues, the p03 Error will pop up a d you can not print until you resolve the problem.
It can also causes a shadow printing issue if the belt is dirty.
If the printer still shows p03 code then disconnect the power cord and wait for 30 min to reset the Error message and you should be fine.
If not . You may have a mechanical problem that needs a repair .
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3 янв 2020