Brother Tape Sensor PCB Assembly for QL-820NWB (WASLB9234001)

When a Brother QL-820NWB label printer stops detecting tape correctly, the tape sensor PCB assembly is often the culprit. This replacement part restores the printer's ability to sense label presence, type, and position, ensuring accurate printing and avoiding wasted labels. It is intended for internal repair by technicians comfortable with printer disassembly.

Key specifications

• Part type: Replacement part
• Component: Tape sensor PCB assembly
• Compatibility: Brother QL-820NWB label printer
• Manufacturer part number: WASLB9234001
• Function: Detects label tape presence, type, and position
• Application: Internal printer repair and maintenance
• Installation type: Internal component, requires technical expertise
• Material: Printed circuit board (PCB)
• Condition: New
• Product series: Brother QL Series

Why choose it

This assembly is built to Brother's specification for the QL-820NWB, ensuring a proper fit and reliable tape detection. Replacing a faulty sensor board can extend the life of your label printer and restore consistent print quality.

Ideal use cases

• Repairing a QL-820NWB that fails to detect label tape
• Restoring accurate tape type and position sensing
• Professional printer maintenance and refurbishment

Good to know

Installation requires opening the printer and handling internal electronics. It is recommended for individuals with technical repair experience. The part is new and sold as a single unit.