Brother PJ-722 Online User's Manual page 163

Product Dimensions
Mounting Notes
Secure the battery cavity mounting block to the printer first.
*1
Secure the battery cavity mounting block to the desired surface.
*2
Brother Testing Conditions
These values are not guaranteed. When mounting the printer for use, make sure the printer is mounted securely.
Size: Use M2.6 tapping screws; Screw hole depth: 6 mm; Tightening torque: 2.2 kgf·cm; Material: Steel
*1
55
47
1.36" (34.5 ) 1.36" (34.5 ) 34.5
30
15 3.1
17
155