Now we calculatethe verticalnumericalvaluesof the columnsof dots, and enter them underneaththe grid. Each verticalcolumnis first dividedinto three groupsof eight dots. Each group of eight dots is ~presented by one byte, whichconsistsof eightbits.

That’swherethenumbersdownthelefi sideof thegridcomein.Noticethat them is a numberfor each row of dots and that each numberis twice the numberbelowit. By makingthesenumberspowersof two we can take any combinationof dots in a verticalcolumnand assignthem a uniquevalue.

Assigningthe Index Tabledata

Unlikedefiningin theStandardmode,youmustassigntheIndexTablewith the IBMmode.

This IndexTableis preparedfor the informationof each chamcterattribute data, such as character type (Normal 24-dot high, or 30-dot high block graphics),the dotpatterndatain thememory,andthecompressionmaskbit data.

Each characterrequires9 indextable data.

The first andthe secondbytes(ml andm2)indicatesthepositionof the first dotpatternin thememory.ml is thehighorderbyte,andti is theloworder byte.

Thethirdbyte,m.?,indicatesthecharactertypeandthedotpatterndatawidth in the memory.

If the character is normal, simply, enter the width of dot pattern in the rriemory.If your characteris block graptics, add 128to the width of dot patternin the memory.

Ourtelephonesymbolis normalcharacterandthewidthof dotpatternin the memoryshouldbe 25, so thisvalueis 25.

The fourthbyte, m4, indicatesthe printingattribute. Thisbyteindicatesthe characterwidthto be printed,andinformationof the repetitiondots for blockgraphicscharactem.

If yourcharacteris a normal character,add 192to the characterwidth.

If your characteris a blockcharacter,and it shouldbe printedas line draw character,add 64 to the characterwidth.If the blockcharacteris not a line draw character,this byte shouldbe the same as the characterwidth.

Ourtelephonesymbolis normalpicacharacter,sothecharacterwidthis 35, and this byte shouldbe 227.

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Star Micronics XB-2420, XB-2425 user manual Assigningthe Index Tabledata
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XB-2425, XB-2420 specifications

Star Micronics has long been a leader in the development of innovative printing solutions, and the XB-2420 and XB-2425 models are no exception. These two versatile printers are designed to meet the dynamic needs of various industries, offering a mix of performance, reliability, and advanced technology tailored for today’s businesses.

The XB-2420 and XB-2425 are thermal receipt printers that support high-speed printing, making them suitable for retail, hospitality, and other operational environments where efficiency is key. Both models are equipped with a state-of-the-art thermal printing mechanism that enables a print speed of up to 300 mm per second. This rapid output reduces waiting time for customers, contributing to a seamless transaction experience.

One of the standout features of the XB series is its compact design. Measuring just a few inches in height and width, both printers can fit into tight spaces, making them ideal for small counters or mobile workstations. The aesthetic design ensures that they blend effectively into modern retail and business settings, while their robustness guarantees long-term performance.

Connectivity options are another highlight of the XB-2420 and XB-2425. They come with standard USB interfaces, but users can also choose models with Bluetooth or Ethernet capabilities. This flexibility allows for easy integration into existing systems, whether it be in-store POS or mobile solutions, ensuring that businesses can operate efficiently without the limitations of wired connections.

Durability is a critical factor, and Star Micronics has engineered the XB series to withstand the rigors of daily use. With an IP54 rating, the printers are resistant to dust and splashes, making them suitable for both indoor and outdoor environments. Additionally, the built-in auto-cutter feature enhances operational efficiency by neatly cutting each receipt, reducing clutter and improving the overall customer experience.

Moreover, the XB-2420 and XB-2425 support advanced printing technologies such as the Star Line Mode, which allows users to create customized receipts and enhance branding through logos and graphics. With the capability to print barcodes and QR codes seamlessly, businesses can provide their customers with digital coupon opportunities, further modernizing the retail experience.

In summary, the Star Micronics XB-2420 and XB-2425 printers combine high-speed performance, compactness, flexible connectivity options, and durability in one package. These features make them essential tools for businesses looking to enhance operational efficiency and customer satisfaction, standing as a testament to Star Micronics’ commitment to innovation and excellence in the printing industry.
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