Specifications

• Type: Front operation panel assembly (OEM)

• Printer Compatibility: Roland VersaUV LEF-300 only

• Functions: Key-matrix input (Start/Stop/Menu/Arrow/Enter), status LEDs/buzzer, integrated display (model-matched), panel interface to main board

• Electrical: 5 V logic via FFC from main/controller board (panel electronics; revision dependent)

• Connectors: Keyed flat-flex/board-to-board connectors (orientation keyed)

• Mounting: Pre-drilled to LEF-300 front panel; includes bezel/overlay (per OEM kit contents)

• Materials: High-TG FR-4 PCB with OEM membrane overlay

• Packaging: Anti-static bag and protective film on display/overlay

• Replacement For: Roland part W703566020 (verify your machine’s serial range/revision)

Highlights

• OEM Fit & Finish: Exact alignment, legends, and key feel match the original LEF-300 panel.

• Fast Recovery: Drop-in swap to resolve dead keys, flickering display, or intermittent panel faults.

• Service-Friendly: Labeled headers and keyed FFCs minimize install errors and downtime.

• Durable Build: Production-grade PCB and membrane rated for frequent use.

Use & Details

• Use Cases: Replace unresponsive buttons, broken display/backlight, random menu jumps, or panel-related error beeps after ruling out cabling/main board.

• Installation Notes:

  • Power off and disconnect mains; observe ESD precautions.

  • Photograph connectors before removal; route FFCs with gentle curves—do not crease or twist.

  • Seat latches fully with correct orientation; never force connectors.

  • After install, run panel key test and verify language/contrast/LEDs/buzzer.

• Compatibility Checklist: LEF-300 model → panel part number W703566020 → connector pitch/length → firmware language/key-map.

• Care & Handling: Keep protective film on until mounted; clean overlay with lint-free cloth (no solvents).

Important: Incorrect connection can damage the panel or main board. Professional installation is recommended. Electronics and spare parts are typically non-returnable once installed or unsealed—confirm your model and part number before purchase.