1.  Ribbon rewind spindle 
2.  Print head pressure position adjustment knob 
3.  Print head pressure adjustment knob 
4.  Print head release lever   
5.  Ribbon supply spindle 
6.  TSC website QR Code 
7.  Label supply spindle                                                                           
8.  Media near end sensor 
(movable, MH240T Series only) 
9.  Label roll guard 
10. External label entrance chute 
11. Damper 
12. Print head 
13. Platen roller 
14. Front label guide   
15. Ribbon sensor 
16. Black mark sensor (shown as↓) 
17. Gap sensor (shown as  ▽)