Here's Steelix with Jen's Morpher
After Jen's morph sequence ends, as soon as you see her Pink Ranger form outside of the sequence then that is when it goes to Sentai footage.
Once the other Rangers show up then that is when it goes to new footage.
Here's new footage of the 2 Green Sabers
Here's another new shot of Steelix
This shot of the Pink Ranger is when it goes back to Sentai footage.
Once you see Eric, it's back to new footage however after his morph sequence ends, it goes right back into Sentai footage with a close-up shot of the Red Ranger.
Here's a shot of the Frozen Mutants in the Freezer

Footage comes from Time Episode 34