Clearing "Ink Out" or "Ink tank not installed" error message on the SendPro CX Series

Replace an empty ink cartridge. Also, remove the ink cartridge and printhead and check the gold pins underneath are not bent if you see the message "Ink Out" or "Ink tank not installed.

Products affected: SendPro® CX 100, SendPro® CX 200, SendPro® CX 300 and SendPro® CX 500

Issue

Your device displays the "Ink Out" or "Ink tank not installed" message.

Cause

  • The ink cartridge is empty.
  • Damaged ink cartridge connector pins.
  • Dirt on the printhead or the printhead is faulty.

Resolution

Solution 1 - device is out of ink

  1. Install a new ink cartridge.

Solution 2 - You have installed a new ink cartridge and are still getting Ink out message

  1. Print a test pattern.
  2. If the lines are unbroken and match the "Good" test pattern, tap Home to return to the Home screen.
  3. Tap Print Postage and if you are still getting the Ink Out error message, proceed to step 4.
  4. Remove the ink cartridge.
  5. Examine the 7 gold pins where the ink cartridge engages:
    ink-cartridge-pins
  6. If the pins look OK, proceed to step 7. If any pins look bent or broken, please contact us for further assistance.
  7. Remove and clean the printhead.
  8. After you have re-inserted your printhead and ink cartridge, reboot your device:
    1. Unplug the power cord. The screen should turn off after 10 seconds.
    2. Wait 30 seconds.
    3. Plug the power cord directly back into a wall outlet. Check that the wall outlet is working correctly.
    4. Quickly tap and release the power button to turn the device on.

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UPDATED: October 12, 2026