A37U-542070 A37U542079

A37U‑542070 / A37U542079 (Man Roland): these codes refer to electronic control circuit boards or modules used as spare parts in Man Roland offset printing presses (commonly in R‑series models like Roland 300/700/900). Such PCBs handle communication and control tasks within the press’s electrical system, linking sensors, actuators, and the main controller to support automated operation and diagnostics. Parts with the A37U… prefix are typical of Man Roland’s internal electronic assemblies sold for maintenance and repair