Installing a security screw on the Engage One head unit and 
VESA mount
You can insert a tamper-resistant security screw into the computer’s VESA mount with a T-10 screwdriver to 
prevent access to the computer head unit’s release button.
1. Press the rear cover release tab (1) on the VESA bracket, and then pull the rear cover o the VESA 
bracket (2). Then remove the security screw (3) from inside the VESA bracket, and then replace the rear 
cover (4).
2
. Press the head unit onto the VESA mount (1) if it is not already attached, and then install the security 
screw (2) in the release button hole on the VESA mount.
Removing and replacing the column printer
1. Prepare the computer for disassembly (Preparation for disassembly on page 19).
2. Remove the receipt paper from the printer.
3. Disconnect the printer and system power sources and any attached devices.
4. Place the computer with the display panel face down on a at surface covered by a soft clean cloth, and 
then remove the I/O connectivity base (Attaching an I/O connectivity base to the Engage One 
on page 20)
5. Remove the USB-C power cable.
6. Loosen the captive screw that secures the stand base to the printer base plate (1).
Installing a security screw on the Engage One head unit and VESA mount 35