Ethernet Receipt Printer Setup

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Use the steps below to set up and start using your Star TSP100 Ethernet receipt printer with Green Bits.

Note: these steps apply only to Ethernet models. The TSP100 Eco USB printer, though similar, is not compatible with Green Bits.

1. Connect the printer to your network and load paper

Connect the power cord to the back of the printer, but don't turn the printer on yet.

Connect an Ethernet cord to the 100/10 BASE port on the back of the printer, then connect the other end to your network.

Depending on your specific setup, this may be by connecting directly to a router, or to another networking device such as a network switch or Wi-Fi extender, or possibly to a wall-mounted Ethernet port that is connected to the network.

Open the top cover to load a roll of 3.125"-wide thermal receipt paper, with the lead of the roll toward the front of the printer, as shown in the diagram below.

2. Test the printer connection

Press and hold the FEED button on the front of the printer. While continuing to hold FEED, power on the printer by flipping the switch on the left side

Continue holding FEED for 3-5 seconds, or until the printer starts printing a diagnostic sheet, then release the FEED button.

Disregard the first sheet that reads "TSP100LAN". On the second sheet, find the IP Address listed under Current IP Parameters Status.

IP Address and/or "Didn't obtain" will indicate that the printer is not connected to your network. This may be due to a physical disconnection of the Ethernet cord either from the back of the printer, or from your network device(s). Verify that the Ethernet cord is securely connected to both the Ethernet port on the back of the printer, and to a network device (typically a router, network switch, or wall-mounted Ethernet port). 

3. Confirm the connection on your iPad

On your iPad's home screen, tap Settings, then tap Wi-Fi or Ethernet, depending on how your iPad is connected to your network. Most iPads use Wi-Fi, and if no Ethernet connection is present, the Ethernet option will not appear. If you see an Ethernet option, this is most likely how your iPad is connected.

iPad with Wi-Fi connection:

Verify your iPad is connected to your store's Wi-Fi network, then tap the "i" in the blue circle off to the far right of your network name.

On the next page you'll see an IP Address listed. Verify that the first 3 sets of numbers here match the first 3 sets of numbers on the Current IP Parameters Status sheet from the printer (the last set of numbers will be different for each device on the network).

In this example, our printer is connected to according to the printout shown above, and our iPad is connected to, which indicates both are on the same network. Proceed to step 4 below.

Tip: By default, your iPad will automatically change Wi-Fi networks if it detects a stronger signal that is not password-protected, such as from a neighboring business, or even a nearby Wi-Fi hotspot such as a customer's smartphone. If your iPad changes to another Wi-Fi network, it will lose connection with your Ethernet receipt printer and also any Ethernet label printers

Therfore, we strongly recommend turning on the "Ask to Join Networks" setting. Scroll to the bottom of the Wi-Fi menu to toggle on this setting.

iPad with Ethernet connection:

Tap Ethernet and note the IP Address in parentheses.

In this example, our iPad is connected to, which matches our printer's IP

4. Connect the printer to the cash drawer

The receipt printer controls the automatic opening of your cash drawer, even when you don't print a receipt.

Locate the cable that was included with the cash drawer, and connect the narrower end of this cable to the port on the back of the printer labeled DK. Connect the wider end of the cable to the coresponding port on the under side of the cash drawer.

Note: Although the DK port appears identical to a standard landline phone jack, a phone-type cable is not compatible with the cash drawer. Please ensure you're using the cable that was included with the drawer.

5. Connect the printer to Green Bits

Sign into the Green Bits register app, tap on the stacked white lines in the top left corner to open the menu shown below, then tap Settings.

Tap Receipt Printer.

Tap TSP143 to select the printer and assign it to this iPad.

If you have multiple Ethernet receipt printers connected to your network, all printers will be listed here, identified by their IP addresses. The currently selected printer is denoted with a check mark on the far right.

Tap Test Print to confirm the connection.

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