Overview
The HP RC1-5038 duplexer feeder assembly is a genuine replacement component for HP Color LaserJet printers. This assembly mounts on the back of the transfer belt and provides the mechanical feed path required for automatic duplex (two-sided) printing. The RC1-5038 is essential for any duplex-equipped printer model and ensures consistent paper handling during double-sided print cycles.
Key Features
- OEM-quality duplexer feeder assembly with proven durability
- Direct mounting on transfer belt assembly for reliable operation
- Enables automatic two-sided printing without manual intervention
- Compatible with HP Color LaserJet 4700 series, CM4730, and CP4005 lines
- Drop-in replacement for RM1-1785 part number
Technical Specifications
| Part Number | RC1-5038 |
| Alternate Part Number | RM1-1785 |
| Manufacturer | HP (Hewlett-Packard) |
| Component Type | Duplexer Feeder Assembly |
| Compatible Printer Series | Color LaserJet 4700, CM4730, CP4005 |
| Installation Location | Transfer Belt Assembly (rear mounting) |
| Function | Automatic duplex (two-sided) print feed mechanism |
Typical Applications
The RC1-5038 is used to restore or upgrade duplex capability in:
- HP Color LaserJet 4700 — Enterprise-class color printer requiring reliable two-sided feed
- HP Color LaserJet CM4730 — Color multifunction device with duplex output requirement
- HP Color LaserJet CP4005 — Department-level color laser printer with duplexing support
Common replacement scenarios include worn feed mechanisms, failed duplexer motors, or paper jam history repairs where the feeder assembly requires replacement.
Compatibility & Replacements
Compatible With
- HP Color LaserJet 4700 (Q7491A)
- HP Color LaserJet CM4730F (CB481A)
- HP Color LaserJet CM4730FSK (CB482A)
- HP Color LaserJet CM4730FM (CB483A)
- HP Color LaserJet CP4005N (CB503A)
- Transfer belt assemblies for 4700/CM4730/CP4005 series
Replaces / Drop-In Replacement For
- RM1-1785 (primary alternate part number)
Works With
- HP Color LaserJet maintenance kits and upgrade kits
- Duplex printing workflows in network and standalone configurations
- HP printer control panels supporting two-sided print settings










