@sebastian-roth A fourth colleague had the same problem today so I restarted fog service, it takes a while but photocop_rgi printer has been connected after that :
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--------------------------------PrinterManager--------------------------------
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18/02/2021 15:37:55 Client-Info Client Version: 0.12.0
18/02/2021 15:37:55 Client-Info Client OS: Windows
18/02/2021 15:37:55 Client-Info Server Version: 1.5.9.60
18/02/2021 15:37:55 Middleware::Response Success
18/02/2021 15:37:55 PrinterManager Adding printers
18/02/2021 15:37:55 PrinterManager \\impression\Compta already exists
18/02/2021 15:37:55 Printer Adding: \\impression\Photocop_RGI
18/02/2021 15:37:55 PrinterManager PrintUI return code = 0
18/02/2021 15:37:56 PrinterManager Invoking add \\impression\Compta for all users
18/02/2021 15:37:56 PrinterManager PrintUI return code = 0
18/02/2021 15:37:56 PrinterManager Invoking add \\impression\Photocop_RGI for all users
18/02/2021 15:38:26 PrinterManager PrintUI has not finished in a timely fashion, abandoning process
18/02/2021 15:38:26 PrinterManager Restarting spooler
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I’m just unable to explain this problem…