updated March 18, 2002

vOnce characters are downloaded to the printer, they remain valid until you redefine them. This is true even if power to the printer is removed.

vBefore the characters are defined, the sector of the flash EPROM which stores this data must be erased. (See “Erase Flash EPROM Sector” on page 121.) Also, the character matrix for the code page must have already been defined. (See Table 15 on page 123, MCT# 3, 4, and 5.)

vFlash EPROM sector 4 contains all user-defined code pages for the thermal printhead. To redefine a code page, you must erase and reprogram all of them.

vFlash EPROM sector 3 contains both user-defined code pages for the impact printhead. To redefine a code page, you must erase and reprogram both of them.

vThermal height must be even.

vThere is no way to redefine one character only. You must redefine a whole code page.

vIf the parameter s, n, or m is out of range, the command is discarded and the remaining data is processed as print data.

vThis command should be sent only when the data buffer is empty. See the description of bit 6 in “Status Byte 2” on page 161.

vASCII characters 0 through 31 are reserved for RS-232 functions and cannot be defined.

Thermal Code Page

You define the character matrix for each code page with MCT #2, MCT #3, MCT #23, and MCT #24 for thermal code pages 1, 2, 3, and 4, respectively. See Table 15 on page 123.

The number of data bytes per character loaded is 2 × the character height. The total number of data bytes for this command is 2 × the character height × (1+m−n).

Example: 10 wide × 20 high

Appendix C. RS-232 Programming Information 113

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IBM TI5, TM7, TF7, TG5 manual Thermal Code, Example 10 wide × 20 high
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TI5, TG5, TM7, TF7 specifications

IBM has long been a pioneer in the field of technology and enterprise solutions, consistently delivering innovations that redefine industry standards. In line with this tradition, IBM has unveiled its latest offerings: TF7, TM7, TG5, and TI5. Each of these models is designed to cater to specific needs within the growing arena of data processing and management.

The TF7 system stands out for its remarkable performance and efficiency in managing large datasets. It harnesses AI-driven analytics to provide insights at unprecedented speeds. The architecture is built on IBM’s Power10 technology, which enhances computational power while reducing energy consumption. This model supports a hybrid cloud strategy, making it versatile for organizations looking to integrate on-premise capacities with cloud solutions seamlessly.

On the other hand, the TM7 is geared towards transactional workloads, particularly in industries that demand high availability. With its robust security features and built-in redundancy, the TM7 ensures that transactions are processed reliably even in high-stress scenarios. Moreover, the system employs advanced encryption protocols that safeguard sensitive information, making it an ideal choice for financial institutions handling vast amounts of transactions.

For businesses that prioritize graphics-intensive applications, the TG5 is a game-changer. It comes equipped with powerful GPUs, offering lightning-fast rendering and superior graphic capabilities. The TG5 leverages AI tools for enhanced visualization and modeling, making it suitable for sectors like gaming, animation, and scientific simulations. Its modular architecture allows easy upgrades, enabling users to stay ahead in a rapidly evolving technological landscape.

Lastly, the TI5 model excels in delivering high-velocity data processing. It features IBM’s latest quantum-safe cryptography, ensuring long-term data protection against evolving threats. The TI5 is optimized for Internet of Things (IoT) applications, allowing organizations to process and analyze real-time data from connected devices swiftly. Its scalability makes it perfect for businesses looking to expand their IoT footprint without compromising performance.

In conclusion, IBM’s TF7, TM7, TG5, and TI5 systems exemplify cutting-edge technology tailored to meet diverse industry needs. Each model integrates robust features, advanced security measures, and efficient processing capabilities, ensuring organizations can thrive in an ever-changing digital landscape. Whether for data management, transaction processing, graphics rendering, or IoT applications, these solutions pave the way for a more connected, efficient, and secure future.
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