Continuity mistake: During the pursuit of the armoured van when the gang open fires on the police car, the amount of damage to the car keeps changing throughout the scene.
Visible crew/equipment: As Robocop first drives out into the city, there is somebody's head in the extreme right side of the frame, even though he's alone in the car.
Continuity mistake: While Clarence is interrogating Murphy, Emil is holding his shotgun by his side. In the next shot, he is holding it across his stomach with both hands. (00:21:25)
Revealing mistake: As Boddicker swings the bar at Murphy, as Murphy's head drops down while deflecting the bar, the skin make-up at the line where it meets the part covering the back of his head wrinkles up a moment.
Continuity mistake: When ED-209 is firing rockets at Robocop, the launcher pops up, and the first rocket launches. A moment later, the launcher pops up again, but the top tube has a rocket. The second tube launches, the top tube is empty. Obviously a re-use of the original shot.
Visible crew/equipment: As Robocop walks through the abandoned house, his memories of what it used to look like come into play. The gold vases in his memory reflect the camera crew and equipment.
Continuity mistake: At the convenience store, Robocop stops the burglar from fleeing by knocking him on the jaw, making him fall backwards. A frame later Robocop's arm is extended and the man is flying forward, falling face first.
Visible crew/equipment: Right after Clarence Boddiker blows off Murphy's hand with a shotgun, Murphy turns around grasping his wrist and begins to face the four criminals that are about to kill him. During this scene of him turning around, you can see a crew members fingers move in the bottom right corner of the frame. We know it's not Boddiker's fingers, as he was just wearing black gloves when he shot off Murphy's hand. (00:22:35)
Continuity mistake: When the ED-209 shots and kills the guy in the suit, his body changes angle and position with respect to the robot.
Continuity mistake: Robocop is being hounded by reporters through his view point at the City Hall. When the camera switches back, he is away from them, near a car.
Revealing mistake: When Bob gets killed by the main bad guy, his pants have unusual bulges in them, the blood packs.
Revealing mistake: When Robocop throws the robber through the food machine, just before he hits the glass, it is break away and almost looks as if it is already broken.
Continuity mistake: When Reed is going to Fredrickson's locker, his left hand is going to the handle. In the next shot, as he is taking the nameplate off, you see his fingers of the left hand by the nameplate.
Continuity mistake: The final fight scene at the ruined industry area starts in darkness, but ends at daylight, switching several times.
Continuity mistake: At the shooting range, the bullet holes on Murphy's cardboard target differ between the front and back shots.
Continuity mistake: After the ED-209 kills the business man, the blood on the city scale model disappears. (00:12:00)
Other mistake: Just after Dick is fired, Robocop shoots him. Robocop shoots Dick twice and we see two exit wounds on Dick's back. Robocop fires a third time, and two more exit wounds appear simultaneously lower down. (01:35:50)
Continuity mistake: When Dick Jones goes to see the head of OCP, he leaves the door ajar. However, later in the scene it is closed. Neither of the men in the room goes near it.
Continuity mistake: The first time Murphy is chasing the criminal van, the headlights on the police Taurus change from double round to single square (stock) repeatedly throughout the scene.
Continuity mistake: In the scene where Lewis is hit by the black guy at the steel mill, her body changes direction when she falls.
Answer: According to Wikipedia the ED-260 is an upgradeable version of the ED-209.