Can I repress a transfer if pressed incorrectly?

Yes.
Often, If part of the design didn’t fully bond (or a corner lifted during peel):

  1. Lay the film back down carefully (or cover with baking paper / parchment)

  2. Repress with correct temperature + firm, even pressure

  3. For fine detail, try a warm or cold peel so the adhesive has time to stabilise

  4. A quick second press can help ensure full bonding

Light pressure is one of the biggest causes of partial transfer... if the print isn’t being pushed into the fabric weave, it can lift.