A new window appeared. It wasn't a progress bar. It was a grainy, black-and-white video feed—from inside the scanner unit. She watched as the laser carriage, which should have been locked in place, began to move. But it moved wrong . It shuddered, then traced a slow, deliberate pattern on the underside of the glass. Not a diagnostic sweep. A signature .

She connected the C4720 via a genuine Canon USB AB cable—because fakes would make the tool angry , the forum posts warned. Then she clicked [READ].

The v4720 version is specifically optimized for newer Canon models released between 2017 and 2019, including:

She pushed back from the bench, knocking over a cup of cold coffee. The laptop screen flickered, and the service tool window expanded on its own. New fields appeared: [LOGGING] and [ECHO].

Her breath caught. It knew her initial. It had never asked.