H9730-marked linear encoder sensor on a green printer adapter board

Printer Motion Sensor

Spare Parts

H9730 Linear Encoder Sensor Board for Wide-Format Printers

Name: H9730 Linear Encoder Sensor Board for Wide-Format Printers
Brand: H9730 marking; manufacturer unverified

#H9730

Optical carriage-position encoder sensor board

Price

Request Quote

This H9730 encoder sensor board is intended for compatible printer carriage-positioning systems. Installed on or near the printhead carriage, it reads a matching linear encoder strip and provides movement feedback to the printer controller. The photographed assembly has an optical encoder module on a green adapter PCB with a white multi-pin connector. Exact wiring, voltage, and pin assignment depend on the board revision and must be verified before connection.

Component: Optical incremental encoder sensor board
Visible marking: H9730
Possible family: HEDS-9730; complete suffix requires confirmation
Sensing method: Transmissive optical incremental encoder
Documented HEDS-9730 output: Two-channel digital output
Documented HEDS-9730 resolution: 480 LPI; verify exact supplied sensor
Adapter PCB: Included as photographed
Visible connector contacts: Four
Pinout and voltage: Require confirmation
Encoder strip: Not included
Availability: Request Quote
Best for: Technician-confirmed wide-format printer carriage-sensor replacement

Request Quote on WhatsApp Contact Form

Function

Carriage-position feedback

Assembly

H9730-marked sensor and adapter PCB

Important

Strip resolution, connector, pinout, and voltage must match

Compatibility Requirements

Confirm the printer model, existing sensor marking, board part number, PCB dimensions, mounting holes, connector, and orientation.
Match encoder-strip LPI, width, marking pattern, sensor-slot width, and distance through the optical opening.
Confirm power, ground, outputs, supply voltage, carriage-board requirements, and complete pinout before connection.
Do not pair this sensor with a different strip resolution unless the printer manufacturer specifies that combination.

Handling Guidance

Disconnect power, use electrostatic precautions, and keep ink, dust, grease, and cleaning liquid away from the optical opening.
Never guess the connector pinout or force the encoder strip through the sensor slot.
Align the strip centrally, verify connector orientation, and complete any required carriage calibration.
Installation should be performed by an experienced printer technician.

Before Ordering

Confirm the full HEDS-9730-family model and suffix, component manufacturer, adapter-PCB manufacturer and revision.
Confirm connector pinout, supply and signal voltage, required strip resolution, cable contents, and supported printer list.
Do not describe this component as universal, Epson-manufactured, or an original Agilent/Broadcom component without documentation.

Product FAQ

What does this encoder sensor do?

It reads a compatible encoder strip as the carriage moves so the printer controller can monitor movement and position.

Is this an Epson encoder sensor?

It should not be described as Epson-manufactured without supporting documentation. The visible sensor marking is H9730.

Which encoder strip works with it?

The exact sensor suffix, strip LPI, width, pattern, orientation, and printer mounting system must all match.

Is this sensor universal?

No. Compatibility depends on the sensor, adapter PCB, connector, pinout, voltage, strip, carriage board, and firmware.

Does it include an encoder strip?

No. The listing contains the sensor and adapter PCB only unless the quotation states otherwise.

Should a technician install it?

Yes. Incorrect wiring or alignment can damage the sensor, carriage board, or printer electronics.