I’m having issues with the foot pedal. A screw on the underside of the bumper fell to the floor causing the carriage not to go all the way back to the inking drum unless we pushed the spring back. It seems like there is too much slack in the chain and nothing is lifting the foot pedal off the floor. Whatever links the foot pedal to the bumper seems to be not working. After putting the screw back in, I pushed the carriage back to the inking drum and it is now making a popping noise when it gets back to the inking drum position.