Canon MFDs re-prompt for trust after each cert renewal
Canon copiers and printers prompt users to re-trust the Papercut server certificate after every Let's Encrypt renewal.
Tier II · Emerging Problems that are still building up.
3 public reports · first reported 6 October 2026 · last reported 6 October 2026
What's going wrong
Owners of multifunction copiers and printers that connect to Papercut report that the devices ask for certificate approval each time a publicly trusted certificate renews.
AI-assisted: written with the help of AI from the reports. The idea report has the full summary.
In the idea report
- The full summary.
- The products the 3 reports are about, and how many came each month.
- Related problems.
No business has been found with this problem yet, so the report has no contacts. All sales are final — no refunds. Pricing.