I opened the unit to picture the insides and found an alternate part # so I listed them both.

The gasket that sealed the lid was dried out and needs replacing.

Allen-Bradley 2755-L7RX5X Industrial Barcode Laser Scanner with Integrated Decoder
Medium Speed Raster Scanner • 350 Scans per Second • Manufactured 1997Genuine Allen-Bradley (Rockwell Automation) fixed-mount laser barcode scanner from the Bulletin 2755 series. This unit features a medium-speed raster scan head with built-in decoder, designed for reliable barcode reading in industrial automation environments such as conveyor systems, material handling, warehouse tracking, and PLC-integrated production lines.Key Specifications & Features

Catalog Number: 2755-L7RX5X
Scan Rate: 350 scans per second (medium speed)
Scan Type: Raster (multi-line scanning for better read reliability on imperfect or angled barcodes)
Laser: Visible laser diode with dedicated "LASER" on/off switch
Status Indicators: PWR (Power) and VALID (Valid Read) LEDs
Connectors:
- 17-pin circular "DECODER" output connector
- Smaller circular "PACKAGE SENSOR" input connector
Internal scan mechanism visible through front access window (see detailed photos)
Manufacturing Date: August 14, 1997
Additional Markings: Sales Order 2755-L7RX5X, ESPM R, VRCK, JB4000151, and other factory labels clearly shown

Perfect Applications

Conveyor line barcode reading and sorting
Integration with Allen-Bradley PLC-5, SLC, or legacy control systems
Industrial automation, manufacturing, and logistics setups
Replacement or spare for existing 2755 series installations

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Brand	Allen-Bradley
MPN	2755L7
Country of Origin	China

Allen-Bradley 2755-L7RX5X Barcode Laser Scanner Decoder Raster 350 Scans/sec

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