Ricoh DD 4450 - Thermal Head Replacement

Master Feed
C279 4-38 SM
4.7.3 THERMAL HEAD
1. Remove the master making unit ( p.4-37 "Master Making Unit")
2. Open the platen roller unit [1].
3. Remove the following:
[A]: T/H upper cover (
× 2)
[B]: T/H side cover (
× 1)
4. Close the platen roller unit [1].
5. Remove the thermal head [C] (
× 2).