Epson TM-L90 Developer's Manual page 127

Confidential
Note:
The printer comes with hexagon lock bolts with bolt-head thread designed to inch specifications. Users
with interface cables that use metric thread screws can replace the inch thread lock bolts with the
metric lock bolts that come with the printer using a hexagonal (5 mm) screwdriver.
With hole threaded in inches
3. For interface cables equipped with a ground line, attach the ground line to the screw hole
marked "FG" on the printer.
4. Connect the other end of the interface cable to the host computer.
IEEE Interface Models
1. Press the connector on the end of the interface cable firmly onto the interface connector
located on the connector panel.
2. Press down the clips on either side of the connector to lock it in place.
3. For interface cables equipped with a ground line, attach the ground line to the screw hole
marked "FG" on the printer.
4. Connect the other end of the interface cable to the host computer.
USB Interface Models
1. Attach the locking wire saddle at the location shown in figure below.
2. Hook the USB cable through the locking wire saddle as shown in the figure below.
Note:
Hooking the USB cable through the locking wire saddle as shown in figure below will prevent the
cable from coming unplugged.
USB downstream connector
(Only for USB HUB: UB-U01)
D-2 Connection of Cable and Option
Identified by encircling line mark
Hexagon Bolts Threaded in Inches and Millimeters
USB upstream connector
DM connector
Attaching Locking Wire Saddle
With hole threaded in millimeters
UB-BOARD
Locking wire saddle
USB cable
Rev. A