Toyota RAV4 Camshaft Timing

If The Timing Belt Or Chain Cut And The Engine Has No Specific Timing Mark..how Can We Set The Timing Correctly Timing Belt Or Chain

Few Months Ago, I Was Told To Change Timing Belt And Yesterday Another Technician Told Me My Car Does Not Have One And No Need Of Changing...

Four Cylinder Front Wheel Drive Automatic. Trying To Find Out How To Set The Timing. Thought That I Had The Marks Lined Up. Also, Trying...