![docker - Unable to add printer: Unauthorized when adding a printer using the CUPS web interface - Unix & Linux Stack Exchange docker - Unable to add printer: Unauthorized when adding a printer using the CUPS web interface - Unix & Linux Stack Exchange](https://i.stack.imgur.com/sHKEj.png)
docker - Unable to add printer: Unauthorized when adding a printer using the CUPS web interface - Unix & Linux Stack Exchange
![I get a CUPS Server error: 'server-error-internal-error' when I try to connect a network printer - YouTube I get a CUPS Server error: 'server-error-internal-error' when I try to connect a network printer - YouTube](https://i.ytimg.com/vi/GXzoJsm2Xu8/mqdefault.jpg)
I get a CUPS Server error: 'server-error-internal-error' when I try to connect a network printer - YouTube
![printing - "Unauthorized" error when adding printers through CUPS using Google Chrome in Ubuntu 18.04 LTS - Ask Ubuntu printing - "Unauthorized" error when adding printers through CUPS using Google Chrome in Ubuntu 18.04 LTS - Ask Ubuntu](https://i.stack.imgur.com/ZFCf8.png)
printing - "Unauthorized" error when adding printers through CUPS using Google Chrome in Ubuntu 18.04 LTS - Ask Ubuntu
server print error and fails to link CUPS when printing · Issue #75 · OCA/report-print-send · GitHub
![printing - error during the cups operation 'client-error-document-format-not-supported' - Ask Ubuntu printing - error during the cups operation 'client-error-document-format-not-supported' - Ask Ubuntu](https://i.stack.imgur.com/vF6On.gif)