The Magpies are understood to be facing a fine after their first-team stars refused to carry out media duties ahead of the 2018-19 season, such as their pre-match walk-ons for television graphics.
Players also declined interviews with journalists in the mixed zone following last week's defeats to Braga and Augsburg, but skipper Jamaal Lascelles has indicated that an agreement over this term's bonus structure has now been agreed and a line has been drawn under the matter.
Lascelles, Jonjo Shelvey and others are believed to have filmed their shots in front of the green screen on Wednesday afternoon.
The club captain is quoted by The Mirror as saying: "We've managed to sort the off field stuff out. With that out of the way there is no reason why we can't go out and put in a good performance."
Newcastle begin their campaign with a home match against Tottenham Hotspur on Saturday lunchtime.