For the Rollo wireless printer. Always ensure that you are connected to the same WiFi name and the same band 2.4Ghz or 5Ghz.
This is not an official Rollo support site, for the official support site, please visit: support.rolloprinter.com
Please take note of your Rollo UPS account number, you will find it inside Rollo ship manager under Connections > Shipping carriers > UPS
Why do I get missing/invalid shipper number errors when attempting to use Rollo ship manager? to fix this please follow the steps below.
• Log in to ups.com (Be sure to use the same User ID and Password that is in Rollo Ship Manager)
• Select Account Summary from the My UPS tab rollover menu.
• Verify that your account is listed; if not, select the Add a UPS Account link
• Follow the instructions to add the account