The Rm1-2316 is not a standard commodity IC. You will not find it in catalogs from Texas Instruments, Analog Devices, or Maxim. Its schematic is typically guarded by the original equipment manufacturer (OEM).
The heart of the schematic relies on a pulse-width modulation (PWM) controller IC paired with a high-voltage MOSFET power switch. Rm1-2316 Schematic
If you are dealing with a dead printer or need to check specific component locations on the circuit board, tell me you are servicing and the exact symptoms or errors you see. I can provide targeted diagnostic steps or point you toward the right circuit paths. Share public link The Rm1-2316 is not a standard commodity IC
Based on merchant ratings and professional part descriptions: RM1-2316-000CN HP Inc. Power supply board assembly The heart of the schematic relies on a
: RM1-2316 (Primary 220V regional variant), RM1-2315 (110V variant), RM2-0373 / RM2-8086 (Cross-compatible iterations). Input Voltage Range : 220V to 240V AC (+/- 10%) at 50/60 Hz.
: The printer starts but cycles repeatedly.