Overview
The HP RM1-2664 is an OEM formatter logic board designed for HP Color LaserJet 3600 series printers. This main circuit board manages print job processing, network communication, and printer control functions essential for consistent, high-quality color printing. The RM1-2664 is a direct replacement for failed formatter boards in the 3600, 3600n, and 3600dn models.
Key Features
- OEM HP component with verified compatibility across 3600 series models
- Controls print job processing and network connectivity
- Manages color and print quality settings
- 110V power operation standard for North American equipment
- Drop-in replacement board—no firmware or configuration required
Technical Specifications
- Part Number: RM1-2664
- Cross-Reference: Q7793-60001, Q5987-67903
- Input Power: 110V
- Compatible Printer Models: Color LaserJet 3600, 3600n, 3600dn
- Function: Main logic formatter board
- Type: OEM genuine HP component
Typical Applications
- Replacement of failed or damaged formatter boards in LaserJet 3600 series color printers
- Restoration of printers with print job processing errors
- Network-enabled printing environments requiring stable board operation
- Enterprise or departmental color printing in offices and print centers
Compatibility & Replacements
Compatible With
- HP Color LaserJet 3600
- HP Color LaserJet 3600n
- HP Color LaserJet 3600dn
- Network printing environments (Ethernet-capable models)
Replaces / Drop-In Replacement For
- HP Q7793-60001 (original HP part number for this board)
- HP Q5987-67903 (alternative cross-reference)
- Failed or faulty RM1-2664 boards in Color LaserJet 3600 series
Works With
- HP Color LaserJet 3600 series firmware and drivers
- Ethernet/network printing (where applicable)
- Standard print job queuing and management
- Color and grayscale printing modes




















