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