Premium Printer Motherboard & Control Boards for OKI A3/A4 Printers
High-quality replacement motherboard, power board, high-voltage board, and motor control board designed specifically for OKI A3/A4 printers. Precision-engineered with durable circuitry and premium-grade components for reliable performance. Multi-layer PCB construction ensures stable power distribution and signal transmission. High-voltage board features reinforced insulation for safety and longevity. Motor control board delivers smooth, precise movement for consistent printing results. Ideal for businesses requiring bulk replacements or repair services. Compatible with multiple OKI models, reducing downtime and maintenance costs. Trusted by professional technicians for OEM-level quality at wholesale prices. Global shipping available with competitive bulk discounts. Stock up now and keep your printers running efficiently.