If the Ready 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. It also may mean that the electrical outlet is loose. Check and make sure that the power outlet is properly connected.

Please check that the Ready LED is turned on.
If the Ready 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. It also may mean that the electrical outlet is loose. Check and make sure that the power outlet is properly connected.

Please check that the Ready LED is turned on.
If the Ready LED is flashing, please check the LED lamp display content. If the LED display is "Link Down (Physical disconnection)", check if the wireless router and access point of the connection destination are working properly.
In addition, if the LED display indicates "Link Down (IP address not retrieved)", check if the DHCP server is available.

For the wireless router or communication device to be used as the access point, check if the device supports WPS.
Also, this printer only supports wireless channels between 1 and 11. If the access point is set to a channel besides 1 to 11, connection is not possible.

For iOS and Android devices, address management based on a DHCP server is required when connecting via WPS. Check if the DHCP server is available.

Check if "SSID" in **Network Configuration** of the self-printing printout is the network name of the connection destination.
If the network name is not printed, the network connection is not performed correctly. Initialize the network settings and then try connecting again.

After configuring the wireless LAN settings, the network connection settings diagnosis result is printed as **Wireless Network Connection Status**.
If the problem is not solved after trying the following things, please contact the network administrator.

“WPS Connection failed” is displayed in **Wireless Network Connection Status**

Failed to connect the printer and an access point (wireless LAN router or other access point) using the WPS function. Try the action listed below.

• Check that the access point that you will connect to is turned on.
  If the power is not turned on, turn the power on and configure the printer connection settings again.


• Check whether the WPS button on the access point has been pressed.
  As long as an access point supports WPS function, Network setting can be configured correctly even when the manufacturer is different.
  The name of the WPS button may differ depending on the manufacturer.


• Connection may fail when the strength of the wireless LAN communication signal between the printer and your access point is low.
  Review the positions of the printer and your access point and remove any obstacles between them so that the signal can pass between them easily, then restart the printer and configure the connection settings again.
  

If the network settings are correct however an IP address cannot be acquired, the status of wireless LAN communication between the printer and access point may be unstable.

When “Weak” is displayed for the Signal Strength of **Wireless Network Connection Status**, review the positions of the printer and your access point and remove any obstacles between them so that the signal can pass between them easily, then restart the printer and configure the connection settings again.

Depending on the firmware version, the firmware may not support printing of the **Wireless Network Connection Status** after wireless LAN configuration, or the auto reset function when wireless LAN connection fails.

The firmware version can be checked on the Self-Printing.
Self-Printing

Regarding firmware updates, consult our local distributor.

Please check that the Ready LED is turned on.
If the Ready 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. It also may mean that the electrical outlet is loose. Check and make sure that the power outlet is properly connected.

After configuring wireless LAN settings using WPS, HTTP, TELNET, and such, the printer will start in infrastructure mode and AP mode connections will not be accepted.

If an AP mode connection is needed again, initialize the network settings.

Depending on the firmware version, AP mode cannot be used. If you use iOS or Windows 7 which supports Ad-Hoc mode, connect using Ad-Hoc mode.
Regarding firmware updates, consult our local distributor.

If the network environment changes due to a change in SSID, router, or other element, it is necessary to change the wireless LAN settings.
If the network environment that is used is different from the network environment that is set on the printer side, reconfigure the printer or tablet/PC so that the SSID is the same.

After configuring the wireless LAN settings, the network connection settings diagnosis result is printed as **Wireless Network Connection Status**.

If “(Fail)” is listed for the SSID, security type, or security key, the connection failed because there is an error in that item.
To correct it, refer to the following.

If the problem is not solved after trying the following things, or if the SSID, security type, and security key settings of the access point (wireless LAN router or other access point) are not known, please contact the network administrator.

* With the factory setting, the auto reset function is enabled. This initializes wireless LAN settings to the factory setting if the printer power is turned off and back on when “(Fail)” is listed.

“SSID was not found” is displayed in **Wireless Network Connection Status**

The SSID which was entered in the connection settings was searched for but was not found. Try the action listed below.

• Check that the access point that you will connect to is turned on.
  If the power is not turned on, turn the power on and configure the printer connection settings again.


• Check that SSID of the access point that you will connect to has been entered correctly.
  The entered characters are case sensitive. The entered SSID can be checked from **Wireless Network Connection Status**. If the entered SSID was not correct, restart the printer and configure the connection settings again.


• With the TSP100IIIW, it is necessary to enter an SSID in the 2.4 GHz frequency band.
  If an SSID in the 5.0 GHz frequency band was entered, “(Fail)” will be printed even if the SSID was entered correctly. Restart the printer and reconfigure the connection settings to connect to an SSID in the 2.4 GHz frequency band.


• Connection may fail when the strength of the wireless LAN communication signal between the printer and your access point is low.
  Review the positions of the printer and your access point and remove any obstacles between them so that the signal can pass between them easily, then restart the printer and configure the connection settings again.

“Security type was incorrect” is displayed in **Wireless Network Connection Status**

The security type which was selected in the connection settings is not the same as the security type of the network that you are attempting to connect to. Try the action listed below.

• Check the security type that is used by the access point that you will connect to.
  The entered security type can be checked from **Wireless Network Connection Status**. If the wrong security type was selected, restart the printer and configure the connection settings again.
  Compatible security types: WPA2/AES, WPA2/TKIP, WPA/AES, WPA/TKIP, WEP
  

“Security Key was incorrect” is displayed in **Wireless Network Connection Status**

The security key that was entered in the connection settings is not the same as the security key that is set at the access point. Try the action listed below.

• Check that the combination of entered SSID and security key is correct.
  If the combination of entered SSID and security key is not correct, restart the printer and configure the connection settings again.


• Check that security key has been entered correctly.
  The entered characters are case sensitive. If the entered security key is not correct, restart the printer and configure the connection settings again.

If the network settings are correct however an IP address cannot be acquired, the status of wireless LAN communication between the printer and access point may be unstable.

When “Weak” is displayed for the Signal Strength of **Wireless Network Connection Status**, review the positions of the printer and your access point and remove any obstacles between them so that the signal can pass between them easily, then restart the printer and configure the connection settings again.

Depending on the firmware version, the firmware may not support printing of the **Wireless Network Connection Status** after wireless LAN configuration, or the auto reset function when wireless LAN connection fails.

The firmware version can be checked on the Self-Printing.
Self-Printing

Regarding firmware updates, consult our local distributor.

Please check that the Ready LED is turned on.
If the Ready 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. It also may mean that the electrical outlet is loose. Check and make sure that the power outlet is properly connected.

The firmware that supports AP mode does not support Ad-Hoc mode. Use an AP mode connection for all supported operating systems.

iOS and Windows 7 support Ad-Hoc mode.
Android, Windows８, Windows8.1, and Windows 10 do not support Ad-Hoc mode.

If connection is not possible through WPS or AP mode, use an iOS device (iPad, iPhone, etc.) or Windows 7 PC to establish an ad-Hoc connection and perform connection settings.

After configuring wireless LAN settings using WPS, HTTP, TELNET, and such, the printer will start in infrastructure mode, and Ad-Hoc mode connections will not be accepted.

If an Ad-Hoc mode connection is needed again, initialize the network settings.

If an ad-hoc connection is to be used, some time is required before establishing and using the connection. After configuring the ad-hoc settings with a tablet or PC, wait 1-2 minutes and then try searching again with a tool like TSP100III Utility.

If connection using the configured wireless LAN setting cannot be performed, the printer will detect "link down (physically disconnected/IP address not obtained)" and print a warning message according to the setting.
Check if the wireless router, access point and DHCP server of the connection destination are working properly.

The warning message can be set so it will not print.

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

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

Try the following workaround.

1. Check if the tablet and PC are connected in the same network.

2. Turn on the power of the printer again.

3. Close the browser and access again (or reload).

Please check that the Ready LED is turned on.
If the Ready 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. It also may mean that the electrical outlet is loose. Check and make sure that the power outlet is properly connected.

If a white sheet is being ejected, then it may be possible that the paper roll is set in the opposite direction. Check the direction of the paper roll to make sure that the paper is set correctly.

As this product is equipped with a thermal printer, it will not print on ordinary paper. Also, if there are issues such as the printed words being faint, it 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.

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

If you can hear the printer operating but the paper is not being ejected, there is a possibility that a paper jam has occurred 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.

Check that self-printing is working properly.
If self-printing can print properly, then it may be that communication with a host device such as a tablet and PC, is not established. Check the connection setting of the host device to confirm if wireless LAN settings are properly completed.

Do not touch the paper or block the outlet while the paper is being discharged.

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.

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.

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

Confirm that the Ready LED of the main unit is turned on.
Charging USB peripherals such as a tablet can only be done while the power of the main unit is turned on.

Confirm that the USB cable for the tablet is connected to the USB port (Tablet 1.0A) of the main unit.

The USB port on the back of the printer only supports power supply.

Use TSP100III Utility to easily check TSP100III settings. You can also check settings using the self-printing function.

This machine provides the de-curl function to correct curls generated in thermal paper roll. The de-curl mechanism is always running during paper feeding.

• However, this function cannot remove curls completely.
• A receipt may be slightly folded near the top depending on the time in which receipt paper is left during the period from when a receipt is printed until the next one.
• The de-curl effect varies depending on the paper you use or your environment.
• Depending on the type or remaining amount of thermal paper roll, a receipt may be warped in a direction opposite to the normal direction by the de-curl function.