W701588450 - Assy Linear Encoder LEJ-640

Roland LEJ-640 Linear Encoder Assembly — Part No. W701588450

The linear encoder assembly is an essential component of the positioning system in Roland UV flatbed printers. It consists of the encoder strip and associated components that enable precise reading of the carriage position.

On the LEJ-640 model, this part ensures perfect alignment of print passes and faithful reproduction of images, even at high resolution. It is essential for the proper functioning of the X-axis movement system.

The OEM part number W701588450 corresponds to the complete assembly, making replacement easy and ensuring perfect compatibility with the machine.

Technical specifications

• OEM part number: W701588450
• Type: linear encoder assembly
• Components: encoder strip + mounting components
• Function: carriage position detection
• System: optical linear encoder
• Application: X-axis (carriage movement)

Compatibility and use

• Roland UV Flatbed: LEJ-640

Function

• Enables precise reading of the carriage position
• Ensures alignment of print passes
• Guarantees image quality and sharpness
• Synchronises movement with printing

Possible symptoms in the event of wear or contamination

• Visible horizontal banding
• Print misalignment or double imaging
• Carriage positioning errors
• Irregular or unstable printing
• Encoder error messages

Important: the encoder belt is sensitive to UV inks, dust and residue. Regular cleaning with a suitable product is recommended before replacement.

Replacing this assembly restores the system’s precision and prevents critical print defects on UV flatbed machines.

♻️ DG Spare Parts — global specialist in Roland UV and large-format parts.