S1F2 Card Reader

Aug 20, 2026Aug 20, 2026

The Adyen S1F2 terminal is a wireless countertop terminal for Quilt brands such as eTailPet. This card reader accepts chip, contactless NFC, or swipe and comes with an attached thermal receipt printer. Connect it to a local Wi-Fi network, enter the pairing code, and start taking payments in minutes. 

The S1F2 device is also low-maintenance with no additional upkeep required. Updates happen automatically using the Wi-Fi network with no interruptions.

To view the terminal’s parts and features, see the Castle S1F2 product sheet.

 
 

Support and Features

Supported Countries

  • United States - USD
  • Canada - CAD

Supported Payment Methods

  • PIN Debit
  • Interac
  • Visa, Mastercard, Discover, American Express, Diners Club

Supplies and Components

  • USB cable and region-specific power plug for charging
  • Receipt paper roll

Features

  • Contactless Payments
  • EMV Enabled (Chip Cards)
  • Touchscreen
  • Wi-Fi Connection
  • USB-C Charging With 15-Hour Battery Life
  • 1-Year Limited Warranty
  • Integral thermal receipt printer using 58mm wide / 40mm diameter rolls.

 

Load/Replace Receipt Paper

To load or replace receipt paper in the S1F2 terminal, do the following:
Diagram of the S1F2, showing how to load receipt paper.

  1. Hold the cap (the top of the device with the Contactless icon) of the device on either side from the end and pull up away from paper output.
  2. Next load the receipt paper face-down with the paper coming feeding out from the bottom.
  3. Once the paper is loaded, close the lid and snap it into place.
Please Note: If the paper prints blank, swap the direction of the paper. 

 

Power On/Off the Terminal

If the payment terminal is turned on for the first time, or after it was off for a long time, it may need to check for updates, which can take 10 to 20 minutes.

While the terminal is updating, the screen may flash or appear to turn off. Once the update is done, the screen will turn on.

When you first receive the device, it should come partially powered up. Use the supplied wall charger to begin charging the device to full power.

Turn On the Terminal

  1. Once charged for at least 30 minutes, press and hold the power button until the display turns on.

  2. If necessary, connect the terminal to a power supply to charge the battery.

  3. Once the device is powered on, press the power button once to sleep or wake the device.

Turn Off the Terminal

  1. Press and hold the power button until a dialog box appears.

  2. Confirm you want to turn off the terminal.

Please Note: You should power off the terminal every evening and power it on every morning to receive automatic software updates.
 
 

Connect to the Internet

The terminal must be connected to the internet before it can be paired or updated. For best performance, it should be connected to the same network as the point-of-sale computer.

Wi-Fi

  1. After selecting the language on the Welcome screen, select the arrow button:
    Image showing an arrow that displays in the S1F2 terminal.
  2. On the Setup Wi-Fi screen, tap the + (Plus) sign.
  3. Turn on the WLAN toggle switch.
  4. Select a Wi-Fi network from the list.
    • You can also select the + sign and add the name (SSID) of the Wi-Fi network.
  5. Enter the Wi-Fi password.
  6. Tap OK. A Wi-Fi icon will be displayed at the top of the screen.
Please Note: The Wi-Fi network must use WPA-Personal or WPA2-Personal encryption and be password-protected. Wi-Fi connection is not supported for non-password-protected networks or enterprise networks.
 

Select the Store

Once the device is powered on and connected to Wi-Fi, it will ask you to select a store. It should appear with your address, but if it doesn’t, you can skip this step until after you pair the terminal.

If the correct details do appear, you should tap the blue arrow to continue.

 Image showing an arrow that displays in the S1F2 terminal.

 

Pair the Terminal

To pair an S1F2 terminal with eTailPet, do the following:

  1. Log in to your eTailPet Dashboard.
  2. In the upper right, click your User Icon > Settings.
    ucf01
  3. Click on the eTail Payments Reader tab.
    Image highlighting the Etail Payments Reader tab and the Add New button.
  4. Click on Add New.
    Image of the Add New form in the Etail Payments Reader tab.
  5. Enter the name of the terminal.
  6. Select the Store.
  7. Select the Register that is getting paired to the terminal.
  8. Enter the serial number as the pairing code.
  9. Mark the reader as active.
  10. Click on the Save button to complete the setup.
Please Note: The serial number can be found on the box the device came in, the serial number can also be found on the terminal by selecting Settings > Device info.
 

Accessing Settings

On the S1F2 terminal, you can open the Settings page by doing the following:

  1. Click on the Gear icon in the bottom-left side of the screen.

  2. Once you click on any of the settings, it will ask for the PIN.

  3. Enter 3191.

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