Sharp XE-A407 Instruction Manual page 108

Paper positioning
guides
Print roller arm
106
4.
Feed the end of the paper along with the paper positioning guides
as per the diagram.
5.
While holding down the paper, slowly close the print roller arm
of the receipt side, and push down the arm until you hear a click
locking the arm.
If the print roller arm is not securely locked, printing is
NOTE
not done right. If this problem occurs, open the arm,
and close the arm instructed above.
6.
Cut off the excess paper.
7.
Lift up the print roller arm of the journal side.
8.
Set a paper roll in the paper roll cradle of the journal side as per
the diagram.