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4 articles about Troubleshooting
Operation could not be completed error 0x0000074 port is unknown unable to install printers when installing Windows Print App
Some Windows 10 computers encounter an error when installing our Windows Print App driver. The issue is related to permissions and prevents the installation of the Wepa printer port.
This message may appear:
Or this message:
To resolve this issue, please install the Wepa printer port manually and then install the Wepa Print App for Windows.
- Download the Wepa port installer here: https://wepanow.com/downloads/WEPAPortInstaller.exe
- Run WEPAPortInstaller.exe with admin rights
- To verify that the Wepa port was installed, open the Control Panel and choose Devices and Printers. Select the Wepa printer.
- Choose “Print server properties” at the top and go to the Ports tab
- After confirming the presence of WEPAPORT, rerun the Wepa Print App for Windows installer.
Click here for more information about the Wepa Print App for Windows.
Consumable Change and Troubleshooting Guide
Paper Jam Prevention
The printer is set to feed paper from both Tray 1 (top tray) and Tray 2 (bottom tray).
- Always fan the paper stack on all four sides prior to placing the paper in the tray.
- Do not leave space between the paper, guides and rear stopper.
- Do not overfill the paper tray.
- Do not load damaged or warped paper.
- Load only the 8.5” x 11” paper that is provided by wepa into the trays.
- Gently close the paper tray.
- Do not pull the paper tray out during printing.
- Ensure that BOTH trays are set to Letter size.