Canon Photo Interrupter Sensor WG8-5935-000 for PIXMA MAXIFY Printers

Infrared precision at 940 nm — the Canon Photo Interrupter WG8-5935-000 delivers uncompromising paper detection and carriage positioning for your PIXMA or MAXIFY printer. A genuine OEM replacement, it restores original performance to your device's paper handling system.

Overview

Engineered for reliability, this transmissive optical sensor combines an infrared LED emitter and phototransistor detector in a compact 4-pin through-hole package. Operating at 5V DC, it outputs a clean digital logic signal for accurate detection of paper presence, leading edge, and carriage position. The 3–5 mm gap accommodates standard paper thicknesses, while the durable plastic housing withstands continuous printing stress. Directly replaces Canon part number QL2-1049.

What stands out

• Transmissive optical sensing with 940 nm infrared LED for high immunity to ambient light
• Digital output provides direct interface with printer control logic
• Through-hole mounting ensures secure PCB attachment and alignment
• Genuine Canon OEM part guarantees compatibility and longevity
• Wide 3–5 mm gap accommodates various paper weights and conditions

Technical details

• Part Type: Photo Interrupter Sensor
• Detection Principle: Transmissive Optical
• Emitter Type: Infrared LED (940 nm)
• Detector Type: Phototransistor
• Output Type: Digital (Logic Level)
• Operating Voltage: 5V DC (Typical)
• Number of Pins: 4-Pin Connector
• Mounting Style: Through-Hole PCB Mount
• Primary Function: Paper Detection, Encoder Reading
• Compatible Devices: Canon Inkjet Printers, Multifunction Devices
• Gap Width: Approx. 3–5 mm
• Housing Material: Plastic
• Condition: New OEM Part
• Application Area: Printer Paper Path, Carriage Position Sensing
• Model Series Compatibility: Canon PIXMA, MAXIFY (various models)
• Replacement Part For: QL2-1049

Our verdict

When your printer's paper feed or carriage alignment falters, this sensor is the definitive fix. It meets Canon's exacting standards, ensuring your device operates like new.