How can I top up printer card when the service is down?

Currently, there is a service disruption affecting the purchase of prints on https://minautskrifter.su.se. The error means that it is currently not possible to purchase prints at all and is due to a change of provider for the payment service.
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If you need to top up your print balance, please create a ticket via the link below: https://arendehantering.su.se/NewQuestion.aspx