Sunday, February 25, 2024

How to Change the Glass Tank Ink Lock System

Have you been facing issues with the ink lock system on your Starfire Flex 4head machine? Don’t worry, you’re not alone. Many users have reported a decrease in pressure due to complaints with the glass tank ink lock. In this article, we will guide you through the steps to change the glass tank ink lock system and help you solve the pressure problem once and for all.

Step 1: Understanding the Glass Tank Ink Lock System

Before we dive into the process of changing the glass tank ink lock, let’s take a moment to understand how it works. The glass tank ink lock is a crucial component of the Starfire Flex machine, responsible for regulating ink flow and maintaining consistent pressure. It ensures that the ink is delivered smoothly and evenly onto the printing substrate.

Step 2: Gathering the Necessary Tools and Materials

To change the glass tank ink lock system, you’ll need a few tools and materials. Make sure you have the following items ready before you proceed:

  • New glass tank ink lock
  • Screwdriver
  • Cleaning solution
  • Cloth or tissue paper

Step 3: Preparing the Machine for Maintenance

Before you start working on the ink lock system, it’s essential to prepare the machine for maintenance. Follow these steps:

1. Turn off the Starfire Flex machine and unplug it from the power source.

2. Disconnect any external connections or cables.

3. Place a cloth or tissue paper beneath the machine to catch any spilled ink or cleaning solution.

Step 4: Removing the Old Glass Tank Ink Lock

Now that the machine is prepared, it’s time to replace the old glass tank ink lock with a new one. Here’s what you need to do:

1. Locate the ink lock assembly on your Starfire Flex machine. It is usually situated near the ink cartridges.

2. Carefully unscrew the old glass tank ink lock using a screwdriver.

3. Gently detach the ink lock from the machine and set it aside.

Step 5: Cleaning and Installing the New Glass Tank Ink Lock

Before installing the new glass tank ink lock, it is crucial to clean the surrounding area and ensure there are no debris or residue. Follow these instructions:

1. Dampen a cloth or tissue paper with a cleaning solution.

2. Wipe the area around the ink lock assembly to remove any ink or dirt.

3. Take the new glass tank ink lock and align it with the slot from where you removed the old one.

4. Carefully insert the new ink lock into the slot, ensuring it fits securely.

Step 6: Testing and Adjusting Ink Pressure

With the new glass tank ink lock in place, it’s time to test and adjust the ink pressure. Here’s what you should do:

1. Plug the Starfire Flex machine back into the power source and turn it on.

2. Load a test substrate and initiate a print job.

3. Observe the ink flow and check if the pressure has improved.

4. If the pressure is still not satisfactory, consider adjusting the settings or contacting technical support for further assistance.

Remember, it may take a few attempts to find the perfect ink pressure for your specific needs. Don’t get discouraged if it doesn’t improve immediately.


By following the steps outlined above, you can successfully change the glass tank ink lock system on your Starfire Flex machine and solve the ink pressure problem. Remember to take your time, be patient, and ensure you have all the necessary tools and materials before you begin. If you encounter any difficulties, reach out to the manufacturer or seek professional assistance. Happy printing!

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