Purpose
Identify and remove duplicate printer definitions that cause multiple receipts to print.
Used for Trouble: Receipt Printer Prints Duplicate Receipts
Applies To
Environment: Store
OS: Linux
Preconditions
- POS is operational
- Printer is printing duplicates consistently
Steps
- Log into the store server as hds.
- Open the printer configuration interface (CUPS).
- Review the list of configured printers.
- Identify duplicate entries pointing to the same physical printer.
- Disable or remove the duplicate printer configuration.
- Verify the printer is assigned to only one station or role.
- Restart the print service:
sudo systemctl restart cups - Wait 10 seconds.
Validation
- Send a single test order
- Confirm only one receipt prints
Notes
If duplicates continue after removal, escalate for application-level resend or network retry review.