Canon has aggressively pushed firmware updates that block older service tools (e.g., V1040 or V1060). The updated V1074 bypasses newer handshake protocols, working with printers that have firmware versions released in late 2024 through early 2026.
Older versions often crashed on modern Windows 11 24H2 due to driver signature enforcement. The Canon Service Tool V1074 updated includes a patched communication layer that works with 64-bit environments without requiring "Test Mode." canon service tool v1074 updated
The key combination varies by model, but for most PIXMA/MAXIFY: Canon has aggressively pushed firmware updates that block
