Integrated over-temperature cutoffs designed to prevent fire hazards, especially concerning the fuser power delivery. Key Specifications Specification Compatible Models HP LJ 1018 Go to product viewer dialog for this item. Canon LBP2900 Go to product viewer dialog for this item. Go to product viewer dialog for this item. Output Voltage 24V DC (typical for motor/laser) Input Voltage 110V-127V AC or 220V-240V AC (model dependent) Part Numbers RM1-2316, RM-0373, RM2-8086 (often interchangeable) Connector Type Standard 10-pin arrangement for mainboard communication Troubleshooting and Repair HP RM1-2316-000CN Power supply board assembly - Partshere
The RM1-2316 schematic isn't just a technical drawing; it’s a testament to reliable, mid-2000s office technology. It reminds us that behind every "Print" button click is a complex dance of electrons managed by a single, sturdy piece of green fiberglass and copper. troubleshooting specific error codes related to this power board, or are you looking for a visual breakdown of its components? Rm1-2316 Schematic
AC Line → Bridge Rectifier → Bulk Capacitor (C1, 100µF/400V) | +---> R_start (2x 150kΩ series) --> Pin 8 (HV) | +---> R_brownout (1.2MΩ) --+--> Pin 5 (B/O) | | +--- R_brownout2 (100kΩ) ---+--- GND | Pin 7 (OUT) --- R_gate (22Ω) ---+--- Gate of MOSFET (Q1, e.g., 4N60) | Pin 3 (CS) --- R_sense (0.33Ω) ---+--- Source of MOSFET | Pin 6 (SS) --- C_ss (1µF) --- GND Go to product viewer dialog for this item
While the exact internal schematic of the Rm1-2316 module is proprietary, the is well-documented in HP service manuals (e.g., HP 08593-90082). Let us reconstruct the key functional blocks based on published schematics. troubleshooting specific error codes related to this power
Zener diodes or voltage dividers monitor the output voltage. Spikes that exceed the heater rating trigger a shutdown.