"CSD Senior Device has stopped" message on the SendPro C, SendPro+

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Products affected: SendPro® C, SendPro®+ (2H00, 8H00)


The device displays the message "CSD Senior Device has stopped" and will not run mail.


The internal device software has encountered an error.


  1. Reboot the device:
    1. Unplug the power cable. The screen turns off after 10 seconds.
    2. Wait 2 minutes.
    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 back on.
  2. Tap Settings.
    Settings icon
  3. Scroll down to the Envelope Printer Settings section. 
  4. Tap Mail Printer Maintenance.
  5. Tap Print Test Pattern.
  6. Run a test print.
    • If the test print is good, tap Home.
    • If the test print is not good, contact technical support; have your model and serial number ready.
If you need further assistance, please use the Contact Us options below.

UPDATED: September 10, 2021