Rm1-2316 Schematic [better] -

HP RM1-2316 Go to product viewer dialog for this item.

The is a 220–240V Low-Voltage Power Supply (LVPS) board assembly, primarily used in the HP LaserJet 1018, 1020, 1020 Plus and compatible Canon models like the LBP2900 .

1. Executive Summary

• HP 8594E Service Manual, Section 8 – Power Supply (HP Part No. 08593-90082)
• “Application Note U-96” – UC3842 Current-Mode Control (Unitrode/TI)
• EEVBlog Forum Thread: “Rm1-2316 Replacement Success!”

+24V output --- R_divider_top (47kΩ) --+---> TL431 Ref | GND --- R_divider_bottom (10kΩ) --------+ | TL431 Cathode --- Optocoupler LED (PC817) --- +24V via R_bias (1kΩ) Optocoupler Transistor --- Pin 2 (FB) of RM1-2316 Rm1-2316 Schematic

OEM New

: Genuine parts from HP Inc. or Canon, offering the highest reliability. HP RM1-2316 Go to product viewer dialog for this item

Key Components:

Power switch connector, input AC power socket, internal DC converter circuits, fuser power connector 2. RM1-2316 Schematic & Functional Block Diagram HP 8594E Service Manual, Section 8 – Power

Practical Applications: Where You Would Find an Rm1-2316

Voltage Support

: Typically designed for 220V–240V AC operation.

Pin9 DRV1 ---[22Ω]--- Gate of IRF540 (Primary MOSFET) Source of IRF540 ---[0.1Ω]---(Pin13 CS) + GND Drain of IRF540 --- Primary of ferrite transformer