Check Scanner Cleaning Card for Panini Brand Scanners Waffletechnology (patented in US, Canada and Australia) cleaning cards dramatically outperform flat cleaning cards. Our unique cleaning card design allows anyone to easily and safely maintain devices without opening the equipment or damaging critical sensors. We use spring loaded waffles on our cards to reach and safely add pressure to sensors, effectively cleaning them. This product features patented Evanish solution that effectively breaks down dirt and debris in the card parth and on theread head for effective cleaning; safe to use on electronic components. Dust, ink and debris can cloud the optical lens causing bad scans. This can make an automated system into a manual entry system increasing processing time, cost of operation and customer dissatisfaction. Clean your Panini Check Scanner every 2000 scans or at least 3 to 4 times per month. Dust, ink and debris can cloud the optical lens causing bad scans. This can make an automated system into a manual entry system increasing processing time, cost of operation and customer dissatisfaction. Clean when experiencing read failiures, misreads, poor print or image quality