GE MAC 5 A4 Operator's Manual page 30

Equipment Setup
If the paper
size is
Modified
letter
7. Move the screw at the bottom of the device.
The screw position depends on the paper size.
30
Then
Move the two paper latches to the position of "Letter", and fasten the screws
using a PH 1x150 mm screwdriver.
MAC ™ 5 A4/MAC ™ 5 A5/MAC ™ 5 Lite 5864335-001-1