How do I unjam my CPI/MEI/Mars validator's bill path?

Please view and follow along with the pictures below to properly unjam your Mars/MEI validator bill path.

Step 1:

Push up on the metal bar on the bottom of the validator.

Step 2:

Carefully start pulling out the bill path while pushing up on the metal bar. Some models are harder to pull out.

Step 3:

Slowly pull the bill path away from validator to expose jammed bills.

Step 4:

Pull the bill path completely out and remove the jammed bills. Then, carefully insert the bill path back into the validator until the metal bar clicks in place.