Description
HP RG5-4125 LaserJet Printer Control Board PCB Assembly 3KS
The HP RG5-4125 is a printer control board (PCB assembly) designed for HP LaserJet laser printers. This board serves as a core electrical assembly within the printer, integrating control circuitry, power regulation components, and interface connectors that coordinate communication between the printer's mechanical subsystems and its logic/formatter functions. The board is revision 3KS and carries barcode reference 18131250.
Specifications & What's Included
- Manufacturer: HP (Hewlett-Packard)
- Part Number: RG5-4125
- Revision: 3KS
- Barcode Reference: 18131250
- Type: Printer Control Board / PCB Assembly
- Form Factor: PCB board
- Notable components visible: power transformer, electrolytic capacitors, IC chips including FA5317, multi-pin board-to-board connectors, and through-hole passive components
- Country of manufacture: Japan (per board markings)
- Included: board only — no cables or accessories
Applications
The RG5-4125 control board is a replacement / service part for HP LaserJet printers. HP LaserJet printers have been a staple of office and workgroup printing environments since the mid-1980s, using electrophotographic (laser) technology to produce high-quality monochrome and color output. Control boards like this one are typically replaced during depot-level repair when a printer fails to power on, displays controller errors, or experiences intermittent electrical faults traced to the main board. This board is well-suited for repair technicians, printer service centers, and facilities that maintain fleets of HP LaserJet hardware and need cost-effective spare parts sourced from functioning machines.
This HP RG5-4125 LaserJet printer control board has been inspected and is in good used condition. It was pulled from a working environment where it was in active use and functional. The board shows normal handling wear consistent with prior installation but has no visible damage to components, traces, or connectors. Please view our photo set and contact us if you have any questions.
Warranty Information
Additional Information
Brand: |
HP (Hewlett-Packard) |
Model: |
RG5-4125 |
MPN: |
RG5-4125 |
Type: |
Printer Control Board / PCB Assembly |
SKU: |
34570 |
Revision: |
3KS |
Barcode / Part Reference: |
18131250 |
Compatible With: |
HP LaserJet (see compatible models) |
Form Factor: |
PCB / Board |
Condition: |
Used – Pulled from Working Environment |
Seller Notes: |
Board only. Pulled from a working environment. No accessories included. |
Country/Region of Manufacture: |
Japan |
Condition Notes: |
HP RG5-4125 LaserJet control board in good used condition. Pulled from a working environment where it was in use and functional. Normal handling wear; no visible damage. Please view photos and contact us with questions. |
