In November the handbag-sized title will become larger, have bigger pagination and will carry on-magazine promotions.
Jack was published by I Feel Good (IFG), which was acquired by Dennis Publishing in June, along with Viz, Fortean Times and Leeds Leeds Leeds.
James Tye, managing director of Dennis Publishings computer division, said a production review of the entire IFG portfolio was taking place and that a decision was expected within a week.
Dennis Publishings preferred print suppliers are St Ives Plymouth, Polestar Chantry, Southernprint, Benhamgoodheadprint (BGP) and Wyndeham Heron.
Cooper Clegg chairman Ian Cooper said that there was no reason why the Tewkesbury-based printer could not continue to produce Jack.
Have your say in the Printweek Poll
Related stories
Latest comments
"15 x members? Why don't they throw their lot in with the Strategic Mailing Partnership (SMP) and get a louder voice?"
"Some forty plus years ago I was at a "sales" training seminar and got chatting to the trainer after the session had finished.
In that conversation he told me about another seminar he had..."
Up next...
New owner is 'patient, committed investor'
Shareholders green light Royal Mail takeover
Two other tenders also available
House of Commons contingency printing tender live
Wide-format's gala expo
Visionaries welcome
Global Print Expo