OKI Operation Panel for ML3320/ML3321 Dot Matrix Printers (Genuine OEM)

When the control panel on your OKI ML3320 or ML3321 dot matrix printer stops responding—buttons unresponsive, LEDs dark, or the panel physically damaged—productivity grinds to a halt. This genuine OKI operation panel restores full user interface control, bringing your printer back to reliable service without the cost of a new machine.

Who is it for

Service technicians, IT administrators, and businesses that rely on OKI ML3320/ML3321 printers for continuous forms, invoices, or reports. If your printer's panel is cracked, worn, or electrically faulty, this replacement module is the exact part you need.

Main features

• Genuine OKI OEM part (MPN 09002301) ensures perfect fit and function.
• Direct replacement for the original operation panel—no modifications required.
• Includes all push buttons: Line Feed, Form Feed, Select, Tear Off, Park, and more.
• LED status indicators for Power, Online, Error, and Paper Out.
• Internal ribbon cable connector for simple, secure installation.
• Durable plastic housing in OKI's classic grey/off-white finish.

Specifications

• Product type: Operation panel
• Compatibility: OKI ML3320, OKI ML3321 dot matrix printers
• Manufacturer part number: 09002301
• Controls: Multiple push buttons (Line Feed, Form Feed, Select, Tear Off, Park)
• Indicators: LED status lights (Power, Online, Error, Paper Out)
• Installation: Internal replacement module
• Connectivity: Internal ribbon cable connector to printer mainboard
• Power source: Printer-supplied
• Material: Durable plastic housing, electronic components

Tips

Before replacing the operation panel, ensure the printer is powered off and disconnected from the mains. Handle the ribbon cable carefully to avoid damage. Keep the old panel for reference until the new one is installed and tested. For best results, follow the service manual for your specific printer model.