Syntax int TMC34LT_SetBrightness (int nBrightness) Argument nBrightness : This specifies the Value of brightness (0 to 255). 0 means minimum brightness and 255 means maximum brightness. Return Value Set the media source. This API will be success only when the roll paper cover is closed without media and printer status is ready. Syntax int TMC34LT_SetPrinterBin (long nBin, PTSTR pMessageBuf) Argument nBin : This specifies the media source. pMessageBuf : This specifies the address of error message store area. Error message is returned by Unicode. Return Value 126 Return Value Description 0 Success -1 Parameter is in error. Specify an appropriate value and re-execute.
Other than the above Failed (Returns an OS error code.) TMC34LT SetPrinterBin _ Setting Value Media source 0 Roll media 1 Fanfold media Return Value Description 0 Success Less than 0 Failed 1 Mechanical adjustment inside printer is required. Contact the store where you purchased the product or an Epson service center.