User`s manual

3.8 Remarks for installation and uninstallation

*The serial port settings on both the printer and PC need to match. If the setting does not match, it may

cause no printing, garbage characters printing and so on.

*If the driver uses COM port, other application to use same COM port may not work. In this case, you

may be able to avoid the trouble by changing the COM port of the printer driver tentatively to other port.

* Once a USB port is used for driver installation,

please do not use other USB port. If other USB port

is used, it may not be possible to print correctly. If it

happens, it may be necessary to uninstall the driver

and install the driver again.

*If POS Printer Utility is used right after driver

installation through Plug & Play port, it may cause

communication failure. If it happens, reboot PC to

have stable communication.

* When you try to install the driver, if the driver for

same model already exist on the same PC, please

uninstall the existing driver first and then run Setup

software. To uninstall the driver, please follow the

instruction depending on the installation type. If the installation is done by Setup software,

uninstallation should be done as mentioned in former section 3.4. If the driver installation is done by

manually, uninstallation should be done manually. The installation manual for manual installation

explained for that. And the document is supplied separately.

* With USB interface, installation failed by some reason and not possible to uninstall, printer may be

recognized as Unknown device in Device Manager of Control Panel. In such case, delete the unknown

device from Device Manager.