Mutoh DE-22136A circuit board B

The Mutoh DE‑22136A Circuit Board A is the main control board used in industrial inkjet printers, housing a microcontroller, power‑management circuitry and multiple input/output interfaces for motor drives, sensors and communication protocols. Common failure points on this class of boards include degraded power supply regulators, burnt or cracked ICs, damaged I/O traces, and connector corrosion that can disrupt printer control signals. Begin troubleshooting by verifying the board’s 12 V/24 V power rails with a multimeter, inspecting for visible damage such as burn marks or loose solder joints, and checking all connectors for proper seating and continuity before reviewing any error codes displayed on the printer’s diagnostic panel.[oss-gpt-20b]

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