Canon machines have a hidden "Service Mode" that allows you to adjust settings not available to the average user. The manual provides the specific key combination (usually involving the Asterisk key and additional numbers) to enter this mode. From here, you can:
These are the hard specs listed in the Service Manual that define the machine's performance: Canon Ir 2425 Service Manual
Canon recommends certain maintenance kits after specific page counts (e.g., 60,000 prints). The manual shows you exactly how to replace the separation pad, pickup roller, and transfer roller without breaking plastic clips or causing secondary damage. Canon machines have a hidden "Service Mode" that