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.