1. Interface Connector Wiring
  2. Universal Serial Bus (USB) Interface
Universal Serial Bus (USB) Interface

Universal Serial Bus (USB) Interface

Review the cable wiring and pinouts you will need to use the printer’s USB interfaces.
When using third-party USB cables to connect the printer, look for cables or cable packaging that bears the Certified USB™ mark as a guarantee of USB 2.0 compliance. See usb.org for details.
The A-type connector is shown on the left, and the B-type connector is shown on the right.
USB Connector “A” Wiring
Pin no.
USB Connector “B” Wiring
Vbus (+5V DC)
1
Vbus (not connected)
D- (data signal, negative side)
2
D- (data signal, negative side)
D+ (data signal, positive side)
3
D+ (data signal, positive side)
Shell (shield/drain wire) shell
4
Shell (shield/drain wire) shell
USB Host +5 VDC power source is shared with serial port phantom power. It is limited to 0.5mA per USB specification and with on-board current limiting. The maximum current available through the serial port and USB port will not exceed a total of 0.75 Amps.