3-in-1 Gear Drive Kit for ET-8550 – Cam Holder Assembly, Transmission Slider / Change Gear Assembly, Capping Station Drive Gear

This listing is for a 3-in-1 Drive Kit for the Epson ET-8550. The kit includes three related assemblies that work together to control how drive force is transferred between the paper-feed system, capping station, and paper-pickup mechanism.

The drive path changes according to the position and movement of the CR carriage.

Kit Includes

1. Cam Holder Assembly

The cam holder assembly uses a small detection notch to identify when the CR carriage is in the parking position. It helps position the transmission slider, also known as the change gear, so the printer can engage the correct drive function.

This assembly helps control whether the printer operates the capping-station cleaning mechanism or redirects power to the paper-feed system.

Includes:

• 1 cam cover

• 1 slider select gear

• 1 spring

2. Transmission Slider Assembly

The transmission slider, also called the change gear, determines whether drive force from the PF rod is transferred to the capping station.

When engaged, the slider moves into the capping-station drive position and allows the PF rod to operate the cleaning and maintenance mechanism.

Includes:

• 1 transmission slider

• 1 spring

3. Capping Station Drive Gear Assembly

The capping-station drive gear receives force from the PF rod and transfers it into the internal capping-station mechanism.

Includes:

• 1 capping-station drive gear

• 1 spring

How It Works

When the CR carriage moves to the right toward the parking position, it pushes the transmission slider to the right. The capping-station drive gear follows under spring tension and engages the capping-station mechanism.

This allows the PF rod to power capping-station functions such as cleaning, pumping, and raising or lowering the cap assembly.

When the CR carriage moves away from the parking position, the transmission slider and drive gear move back to the left. This disengages the capping station and redirects the drive force toward the paper-pickup mechanism.

The cam holder assembly helps control this shifting process and ensures the gears engage and mesh correctly.

Complete Package Contents

• 1 Cam Holder Assembly

  • Cam cover

  • Slider select gear

  • Spring

• 1 Transmission Slider Assembly

  • Transmission slider

  • Spring

• 1 Capping Station Drive Gear Assembly

  • Capping-station drive gear

  • Spring

Important

This listing includes only the parts specifically listed above. The complete capping station, PF rod, CR carriage, paper-pickup assembly, and other printer components are not included. Please review the listing photos and package contents carefully before ordering. Proper diagnosis and installation are the buyer’s responsibility.