FAQ

Check by supports

Check by problems


Power does not turn on

If the Power LED does not turn on even when the power is turned on, it may mean that the power cable is not properly connected. Please check.
Check and make sure that the power socket is not loose and that it is securely connected.

Connect Power Cable

Cannot establish USB communication

The USB cable connection method varies depending on the operating system of your PC, tablet, or smartphone. Check whether the cable is connected correctly.

  • The connector may also be loose. Check that the USB cable is correctly connected to both the printer and the PC, smartphone, or tablet.
  • The USB cable may have been damaged. If this error recurs after the cable is connected again, connect another cable, and check the status.
  • If the USB cable is connected and then immediately disconnected, the printer may not recognize the USB cable when it is connected again. If this occurs, turn the power off and back on again.
Connect USB Cable

The USB-A port provides communication with and supplies power to Android smartphones and tablets, as well as USB-connectable devices*. It only supplies power (1.5A max.) to other USB devices.

* USB-connectable product: BSH-20U, BSH-20B, BSD-40U, BSH-32U, BSH-32B, SCD222U, BCR-POP1, USB HID class (keyboard mode) devices

The USB-C port communicates with Windows, Android, Mac, and Linux devices. It does not support connections with other USB devices.

This product does not support USB connections with an iPad, iPhone, or iPod touch.

If you are using an iPad, iPhone, or iPod touch, use network communications.
Connect LAN Cable Connect Tablet/PC (LAN)

Cannot establish network communication

Please check that the Power LED is turned on.

Power LED is not illuminated
Check whether the power cable is correctly connected to the printer and whether the power socket is loose.

Connect Power Cable

Check that the Power LED has lit up blue and that the Network LED has lit up green.


Network LED is not illuminated
LED display shows "Link down: Physically disconnected". Check and make sure that the LAN cable is correctly connected.

  • The connector may also be loose.
    Confirm that both the LAN connectors of the printer and network device (router, hub and such) are securely connected.
  • The LAN cable may have been damaged.
    When the Network LED does not light up even if the LAN cable is reconnected, confirm by connecting a different LAN cable.
  • Check and make sure that the network device to be connected is working correctly.

Network LED is blinking
The LED display shows "Link down: IP address cannot be obtained". When a DHCP server is provided, check whether it is available.

LED Display

If the printer network settings were changed using Web Configuration or the utility and the printer has become unable to connect to the network, initializing the network may make it possible for the printer to connect.

Perform "Initialize Communication Settings" once, and then check the connection.

Initialize Communication Settings

Cannot connect to the Web Configuration

To connect to Web Configuration, please enable the JavaScript setting in your web browser (Active Scripting in Internet Explorer).

Up to 2 PCs, tablets, or smartphones can access Web Configuration at the same time.
If more than 2 PCs, tablets, or smartphones need to access the site, please try after data of the previous 2 devices is completely read (after more than 5 seconds).


Web Configuration is not displayed correctly.

If “https://[Printer IP address]” (SSL/TLS communication) was specified when connecting to Web Configuration, Web Configuration may not be displayed correctly.

When opening Web Configuration, use “http:// [Printer IP address]” (non-SSL/TLS communication).


Please check that the Power LED is turned on.

Power LED is not illuminated
Check whether the power cable is correctly connected to the printer and whether the power socket is loose.

Connect Power Cable

If blank paper is being ejected, then the paper roll is set in the wrong direction. Check the direction of the paper roll to make sure that the paper is set correctly.

Paper Setup

As this product is a thermal printer, it will not print on ordinary paper.
Also, if there are issues such as faint printing of words, the cause may be that the paper does not meet the specifications, or the paper has become old and deteriorated. Check the appropriate paper roll specifications and use paper that meets the printer's specification.

Paper Roll Specifications

If the Power LED is blinking or the Error LED is lit/blinking, refer to the LED lamp display and check the status of the product.

LED Display

If you can hear the printer operating but the paper is not being ejected, there is a possibility that a paper jam is occurring or the paper is being rolled onto the rubber roller.
If a paper jam is occurring, refer to the "Paper Jam" section and remove the paper in question.

Paper Jam

Check whether Self-Printing works correctly.
When Self-Printing works correctly, check whether the app, software, and printer settings are correctly configured.
When using a Windows PC or tablet, check whether a suitable printer queue has been specified at the output destination.

Self-Printing

Paper jams

Do not touch the paper or block the outlet while the paper is being discharged.
Also make sure that discharged paper does not accumulate at the paper exit.

Prevent Paper Jam

It may be that the paper thickness and such do not meet the required specifications.
Check the appropriate paper roll specifications and use paper that meets the printer's specification.

Paper Roll Specifications

The printer cover does not close

If the printer cover does not close, confirm that the diameter of the paper roll is 83mm or smaller. Check the appropriate paper roll specifications and use paper that meets the printer's specification.

Paper Roll Specifications

Cannot open the printer cover

If the printer cover does not open even when you push the open lever, it is likely that a paper jam has occurred, and locked the cutter.” Refer to "Cutter Lock" to release the lock.

Cutter Lock

The tablet cannot be charged

Check that the Power LED of the main unit has lit up.
USB peripherals such as tablets can only be charged while the power of the main unit is on.

Turn On Power

Confirm that the USB cable for the tablet is connected to the USB-A port (Android USB-A) on the main unit.

Connect USB Cable - USB-A Port
Set Up External Devices - USB-A Port

If the device is connected to USB-C (Windows USB-C) , charging is not performed. With Windows, Mac, or Linux, communication and charging cannot be performed simultaneously.

To charge the device, use the USB-A port (Android USB-A) .

Connect USB Cable - USB-A Port
Set Up External Devices - USB-A Port

The maximum power supplied from the USB-A port (Android USB-A) is 1.5A. Check whether this is sufficient power needed to charge the USB device that you are using.

Connect USB Cable - USB-A Port
Set Up External Devices - USB-A Port

Other questions

Start Quick Setup Utility can be used to easily check the TSP100IV settings. You can also check settings using the Self-Printing function.

Use App
Self-Printing