Black and Red 2Color Ink Roller – Reliable, Clear, and Consistent Printing • Includes 4 individually sealed cartridges to maintain ink freshness and deliver consistent print quality until the moment of use. • Dualcolor output (black and red) ensures clear distinction between different figures, totals, and negative numbers for improved accuracy and readability. • Precisely engineered for compatibility with Casio desk printing calculator models HR100RC, HR150RC, HR170RC, HR200RC, HR300RC, HR100TM, and HR150TM, providing a fit and smooth operation. • Compact, quality construction ensures easy installation and secure placement for uninterrupted printing during busy work sessions. • Durable ink formulation offers longlasting performance, reducing the need for frequent cartridge changes and helping maintain workflow efficiency. Applications and Use Scenarios: 1. Small business accounting – Quickly produce accurate, easytoread printed calculations for sales, expenses, and invoices. 2. Retail operations – Use for pointof calculations, receipts, and daily transaction reports with clear black and red printing that reduces errors. 3. finance management – Ideal for home office use when tracking budgets, taxes, or expenses, providing crisp output for organized record keeping. Whether for professional workplaces or home offices, this black and red 2color ink roller delivers dependable performance, clear dualcolor printing, and precise compatibility with multiple Casio calculator models, ensuring consistent accuracy and readability in every printout.