Description

🏷️ Product Title

Duplex Paper Exit Swing Gear / Drive Gear for HP LaserJet Pro M501 & Enterprise Series – Part No. RC4-2979 / RC4-2976

📝 Short Description

Replacement duplex exit swing gear / drive gear for HP LaserJet printers.
Controls paper movement during duplex (double-side) printing.
Ideal fix for duplex jams, paper reversing errors, or abnormal noise.

📝 Product Description

The Duplex Paper Exit Swing Gear / Drive Gear (Part No. RC4-2979 / RC4-2976) is a critical mechanical component in the duplex paper exit and reversing mechanism. It ensures smooth paper transfer from the fuser to the duplex path and back into the printer for second-side printing.

A worn or broken duplex swing gear can cause duplex paper jams, paper not reversing, half-printed pages, paper stopping near exit, or grinding noise during duplex mode. Replacing this gear restores proper duplex timing and smooth paper flow.

Commonly used in professional service centers, enterprise printer maintenance, and refurbishment operations.

Designed for printers manufactured by HP.

⚙️ Compatible Printer Models

🔹 HP LaserJet Pro – Single Function

• M305 (M305 / M305d / M305dn)

• M402 (M402n / M402dn / M402dw / M402dne)

• M403 (M403n / M403d / M403dn / M403dw)

🔹 HP LaserJet Pro – MFP

• M426 (M426dw / M426fdn / M426fdw)

• M427 (M427dw / M427fdn / M427fdw)

🔹 HP LaserJet Enterprise / Managed

• M501, M506, M507 , M527 , M528

• E50045, E50145, E52545 , E52645

📌 Grouped Model Reference

HP Pro Series:
305 – 402 – 403 – 426 – 427

HP Enterprise / Managed Series:
M501 – M506 – M507 – M527 – M528 – E50045 – E50145 – E52545 – E52645

🔍 Technical Details

• Product Name: Duplex Paper Exit Swing Gear / Drive Gear

• Part Numbers: RC4-2979, RC4-2976

• Type: Compatible

• Material: High-strength engineering plastic

• Function: Duplex paper exit & reversing drive

• Condition: New

• Application: Duplex unit / paper exit assembly

• Installation: Technician recommended

⭐ Key Features

• ✔ Exact replacement for RC4-2979 / RC4-2976

• ✔ Restores smooth duplex paper movement

• ✔ Fixes duplex jams & paper reversing errors

• ✔ Reduces grinding or clicking noise

• ✔ Perfect fit for HP Pro & Enterprise platforms listed

⚠️ Important Note

• Please confirm printer model and duplex configuration before ordering

• Recommended to inspect duplex solenoid & clutch during replacement

• Installed or used mechanical parts are not returnable

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