Error 1805 on the SendPro CX Series
If error 1805 appears and the device will not refill funds or sync data, reboot your device and sync the data again.
Products affected: SendPro® CX 100, SendPro® CX 200, SendPro® CX 300 and SendPro® CX 500
Issue
The error 1805 appears and the device will not refill funds or sync data.
Resolution
- Unplug the power cord. The screen turns off after 10 seconds.
- Wait 30 seconds.
- Plug the power cord directly back into a wall outlet. Check that the wall outlet is working correctly.
- Quickly tap and release the power button to turn the device back on.
- Once the network icon in the upper right shows a connection, manually upload the transactions again.
- Tap Settings.
- Scroll down to the Mailing Settings section.
- Tap Sync USPS Transaction Data or Sync Transaction Data. A series of messages appear on the screen, starting with Preparing Transaction Data followed by Sending Transaction Data.
- Once you upload the transactions, the message Transaction Data Sent appears.
- Tap Settings.
UPDATED: October 13, 2026