Chapter 5 The Self Test

The purpose of the self test

The self test checks whether the printer has any problems. If the printer does not function properly, contact your dealer. The self test checks the following:

Control circuit functions

Printer mechanism

Print quality

Control ROM version

DIP switch settings

Presence or absence of a validation detector

nRunning the self test

Make sure the ribbon cassette and paper roll have been installed properly. Make sure the printer cover and the take-up device cover or the roll paper cover are closed properly.

Turn on the power while holding down the FEED button. The self test begins.

First the self test prints the current printer status, which provides the following information:

Control ROM version

DIP switch settings

After printing the current printer status, it prints “Self-test printing. Please press FEED switch”. The PAPER LED blinks and the printer enters the test printing standby state. Press the FEED button to restart test printing.

After the printer com- pletes a certain number of lines, it prints “* * *

completed * * * ”, and stops printing automati- cally.

*The printer goes off-line during and after self-test printing. Turn the power off and on again to put the printer on-line before transmitting data from

the host computer.

TM-U300C/U300D

TM-U300PC/U300PD

 

Self-test Printing Sample

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Epson TM-U300PD Purpose of the self test, Running the self test, Host computer TM-U300C/U300D, Self-test Printing Sample

TM-U300PD, TM-U300PC, TM-U300C, TM-U300D specifications

The Epson TM-U300 series is an esteemed collection of impact receipt printers that have carved a niche in retail and hospitality industries, due to their reliability, speed, and ease of use. This series includes models: TM-U300D, TM-U300C, TM-U300PC, and TM-U300PD, each specifically designed to offer unique attributes suited for various operational needs.

One of the primary features of the TM-U300D is its compact design, which allows it to fit seamlessly into limited counter spaces. The device is equipped with a rugged and durable structure, ensuring longevity even in high-volume environments. With a print speed of up to 200 mm per second, the TM-U300D enables swift transaction processing, significantly enhancing customer experience during busy hours.

The TM-U300C model focuses on versatility, offering multiple interfaces including USB, serial, and parallel connections. This feature enables easy integration with an array of point-of-sale (POS) systems, ensuring that businesses can keep their existing systems intact while upgrading to this efficient printer. It also supports multiple languages, catering to businesses operating in multicultural environments.

For those requiring both printing and validation functions, the TM-U300PC is the perfect choice. This model boasts a built-in barcode reader, allowing it to scan and print tickets and receipts with unparalleled efficiency. This feature makes it particularly suitable for theaters and events, streamlining operations and reducing waiting times during peak hours.

Lastly, the TM-U300PD is designed for printing and issuing customer-facing printed materials. Ideal for hospitality settings, this model can print two-color receipts with both black and red ink, enhancing visibility for promotional offers and important information. This feature not only aids in marketing but also enhances the overall customer experience through attention-grabbing receipts.

Collectively, the TM-U300 series showcases advanced technologies such as ESC/POS command set compatibility, which simplifies integration into existing systems, and advanced paper-saving functions that optimize operational costs. Each model in this series embodies Epson's commitment to high-quality printing, durability, and user convenience, making them an excellent choice for businesses looking to enhance their point-of-sale solutions. These printers stand out as reliable workhorses that can efficiently handle the demands of modern retail and hospitality environments.