Description

🏷️ Product Title

Solenoid (Tray 1) for HP LaserJet Pro M403 / 400 Series – Part No. RK2-6939

📝 Short Description

Replacement Tray-1 (manual feed) solenoid for HP LaserJet Pro printers.
Controls paper pickup timing from Tray 1 / Manual Feed Tray.
Ideal solution for paper not picking, double feed, or continuous feed issues from Tray 1.

📝 Product Description

The Tray-1 Solenoid (Part No. RK2-6939) is a precision electromechanical component that controls paper pickup timing from Tray 1 (manual paper tray) in HP LaserJet Pro printers.

A faulty or sticky Tray-1 solenoid can cause manual tray paper not picking, multiple sheets feeding, continuous feed, or frequent paper jams. Replacing the solenoid restores correct pickup timing and smooth paper handling.

This part is widely used in professional service centers, enterprise AMC maintenance, and refurbishment operations.

Designed for printers manufactured by HP and compatible Canon models listed below.

⚙️ Compatible Printer Models

🔹 HP LaserJet Pro – Single Function

• M305 (M305 / M305dw)

• M402 (M402n / M402dn / M402dw / M402dne)

• M403 (M403 / M403d / M403dn / M403dw / M403n)

• M404 (M404n / M404dn / M404dw)

• M405 (M405n / M405dn / M405dw)

• M501dn

🔹 HP LaserJet Pro – MFP

• M329 (M329dn / M329dw)

• M426 (M426dw / M426fdn / M426fdw)

• M427 (M427dw / M427fdn / M427fdw)

• M428 Series

• M429 (M429fdw)

🔹 HP New Generation / Managed / Enterprise

• 4004 (4004 / 4004n / 4004dn / 4004dw)

• MFP 4104 (4104 / 4104dw / 4104fdn / 4104fdw)

• M506 (M506n / M506dn / M506x)

• M527 (M527dn / M527f / M527z / M527dnm / M527cm / M527c)

• E52545 (E52545dn / E52545c)

🔹 Canon Compatible Models

• imageCLASS MF424dw / MF426dw / MF543x

• LBP214dw / LBP226dw

• i-SENSYS MF521dw / MF522x / MF525dw

• imageRUNNER 1643i

📌 Grouped Model Reference

HP Series:
305 – 329 – 402 – 403 – 404 – 405 – 426 – 427 – 428 – 429 – 4004 – 4104 – M501 – M506 – M527 – E52545

Canon Series:
214 – 226 – 424 – 426 – 521 – 522 – 525 – 543 – 1643i

🔍 Technical Details

• Product Name: Solenoid (Tray 1)

• Part Number: RK2-6939

• Type: Compatible

• Function: Paper pickup timing control (Tray 1 / Manual Feed)

• Condition: New

• Application: Laser printer paper-feed mechanism

• Installation: Technician recommended

⭐ Key Features

• ✔ Exact replacement for RK2-6939

• ✔ Restores reliable Tray-1 paper pickup

• ✔ Fixes double-feed & continuous-feed issues

• ✔ Durable coil and spring mechanism

• ✔ Perfect compatibility with listed HP & Canon models

⚠️ Important Note

• Please confirm printer model and tray type (Tray-1) before ordering

• Solenoid replacement may require pad cleaning or damping material

• Installed or used mechanical parts are not returnable

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