Sanken Electric RG1-1782 Power Supply HP LaserJet IIP IIIP Printer 100/115V

Sanken Electric RG1-1782 Power Supply HP LaserJet IIP IIIP Printer 100/115V

The Sanken Electric RG1-1782 is the OEM internal power supply unit designed for the HP LaserJet IIP and IIIP laser printers. Manufactured in Japan by Sanken Electric Co., Ltd., this compact integrated module provides the regulated DC voltages the printer's engine and control electronics require. It connects to the printer's main board and motor/fuser circuit via a multi-conductor wiring harness with keyed connectors.

Specifications & What's Included

• Manufacturer: Sanken Electric Co., Ltd. (Japan)
• Model / Part Number: RG1-1782
• AC Input Voltage: 100/115V AC
• Form Factor: Internal integrated module with metal housing
• Connector: Multi-conductor wiring harness with multi-pin board connector and white Molex-style secondary connector
• Compatible Printers: HP LaserJet IIP, HP LaserJet IIIP
• Country of Manufacture: Japan
• Included: Power supply unit with attached wiring harness only — no additional cables or accessories

Applications

The HP LaserJet IIP and IIIP were popular personal and small-office laser printers introduced by Hewlett-Packard in the late 1980s and early 1990s. The IIP (1989) and IIIP (1991) were compact, low-cost derivatives of HP's LaserJet II and III series, sharing the same basic engine architecture in a smaller footprint. The RG1-1782 power supply is the heart of that engine, converting AC line power to the regulated voltages the formatter board, DC controller, fuser, and paper-drive motor depend on. These printers remain in service in offices and organizations running legacy software tied to HP PCL output, and replacement power supplies are a common repair need when the original unit develops age-related failures such as blown fuses, failed capacitors, or intermittent shutdowns. This part is also sought by technicians refurbishing IIP/IIIP units for resale or for use with vintage computing setups.