4. Use tools to Remove the platen roller dust cap as indicated.
5. Pull up and remove platen roller assembly. Push the platen roller across the slot by holding both the bar and platen roller to left
side and lift up the platen roller about 2mm until the black bar has left the slot. Next, release the platen roller assembly by
pulling both platen roller and black bar to the right side and the platen roller can be removed.
6. Reassemble the parts in the reverse procedures.