ECU & LSU KIT | Engine Control Unit RM1-3404 + Laser Scanner | HP 3050 3055 MFP
Product details
| Management number | 41748446 | Release Date | 2026/01/20 | List Price | $13.80 | Model Number | 41748446 | ||
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This is an Essential Electronic and Laser Control Kit for your HP LaserJet Multifunction Printer. This kit includes both the Engine Control Unit (ECU) and the Laser Scanner Unit (LSU), which together manage the printer’s core functions: motion (ECU) and image creation (LSU). This is ideal for technicians needing to troubleshoot complex mechanical failures, motor issues, or severe print quality defects.
Key Components Included
Component Technical Name Primary Function
Control Board Engine Control Unit (ECU) / RM1-3404 Controls motor timing, paper path, fuser, and all mechanical actions.
Laser Unit Laser Scanner Unit (LSU) / RM1-2033 Creates the laser image on the toner cartridge drum for printing.
Note: Verify the Part Numbers RM1-3404 (ECU) and RM1-2033 (LSU) on your specific pieces.
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Item Condition: USED
Functional Status: Original OEM parts. Both units have been tested together in a working printer. The LSU mirror is clean, and the ECU functions correct
| Category | Electronics > Computers & Laptops > Printers |
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| Size | N/A |
| Brand | HP |
| Condition | Good |
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