Power On Self-test

The DPP350’s LF switch/button is used for entering various printer modes. These modes can be used to assist developers in debugging problems related to programming and communication. The following explain how to access the various operating modes.

Step #1: Make sure the printer is OFF (On-line LED is OFF) before performing step #2.

Step #2: Press and hold the line feed button (LF). While pressing the (LF) button, press the (ON) button momentarily and release when the LED turns green. Release LF button after the printer Beep once. Shortly after the LF button is released the printer will print the internal test pattern on the right.

LF Button Operation Modes

Short Push	N/A	Paper feed

	1 - beep	Self-test print
Push and
Push and	2 - beeps	Hex Dump mode
Hold -	2 - beeps	Hex Dump mode
release after
release after
the number	3 - beeps	Long-test print
of beeps
of beeps	4 - beeps	Program mode
	4 - beeps	Program mode

Table 5

Note: Care must be taken when entering operating modes to prevent the clearing of factory preset configuration information.

Infinite Peripherals, Inc.

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DPP-350 User Manual v1.09

DPP-350 specifications

The Infinite Peripherals DPP-350 is an innovative mobile point-of-sale (mPOS) solution that is designed to meet the demands of businesses seeking efficiency and convenience in payment processing. As a compact and versatile device, the DPP-350 provides a reliable platform for merchants and organizations to manage transactions seamlessly.

One of the standout features of the DPP-350 is its lightweight and compact design, making it highly portable for users on the go. Weighing less than a pound, it can easily fit into a bag or be mounted on a countertop without taking up too much space. This mobility is ideal for various settings, from retail stores to outdoor events, enabling businesses to accept payments anywhere.

The device utilizes Bluetooth technology, allowing it to connect wirelessly to smartphones and tablets. This wireless capability not only streamlines the connection process but also enhances flexibility in transaction setups. With support for leading mobile operating systems such as iOS and Android, the DPP-350 ensures compatibility with a wide range of applications and devices.

Additionally, the DPP-350 supports multiple payment types, including magnetic stripe, EMV chip, and contactless payments. This versatility allows merchants to offer customers a range of options, enhancing the overall shopping experience. The device is equipped with robust security features to protect sensitive payment information, adhering to the latest PCI compliance standards.

With a high-capacity battery, the DPP-350 boasts an extended operational life, allowing for uninterrupted processing throughout the day. It features a user-friendly interface that simplifies training for staff, reducing the learning curve associated with new technologies.

The DPP-350 also supports various printing capabilities, making it easy to provide customers with physical receipts. This feature is especially valuable for businesses that prioritize customer service and retention.

In conclusion, the Infinite Peripherals DPP-350 is a powerful mPOS solution tailored for mobile payments. Its compact design, wireless connectivity, support for multiple payment types, and robust security make it an ideal choice for businesses embracing the future of payment processing. As businesses continue to adapt to changing consumer preferences, the DPP-350 stands out as a reliable partner in the evolution of transaction management.