Error 031A410001 "Sensor auto calibration error" message on the Connect+ Series, SendPro P

Remove the tape from the franking machine, turn the franking machine off, replace the tape then restart the franking machine to resolve the error 031A410001 "Sensor auto calibration error".
Products affected: Connect+® 500W, Connect+® 1000, Connect+® 2000, Connect+® 3000, SendPro® P1000, SendPro® P1500, SendPro® P2000, SendPro® P3000


The franking machine displays error 031A-41-0001 "Sensor auto calibration error" and does not run mail.


A tape sensor failed to calibrate.


Follow these steps to calibrate the tape sensor:

  1. Remove the tape from the system.
  2. Press Home.
  3. Select the Gear from the lower right corner.
  4. Select Shut down from the menu.
  5. Select Shut down on the pop-up window.
  6. Insert the tape one inch into the tape feed area.
  7. Wait for the screen to turn black and for the blue light on the front of the machine to go out. This may take several minutes.
  8. After the machine has been off for 10 seconds, press the power button to turn the franking machine back on.

UPDATED: 15 June 2023

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