There is too much starch/proofing agent (e.g., ironing aid) in the ironing cloth.
Wash the ironing cloth at 140°F (60°C) using a commercially available multi-purpose detergent.
The laundry is not being drawn into the ironer properly.
Wash the ironing cloth at 140°F (60°C) using a commercially available multi-purpose detergent.
Remove the limescale and starch residues with commercially available liquid dish soap and cleaning agents.