Then—a chime.
She reopened the adjustment program. Under the values had changed. Someone—or something—had recalibrated the printer while she wasn’t looking. The log file at the bottom read:
She hadn’t clicked any of those.
She never told her clients how she fixed it. And she never, ever searched for “epson-px660-adjustment-program” again.
The file was only 4.2 MB. Her antivirus screamed. She ignored it. When she unzipped the folder, the icon was a generic gear. No installer. No manual. Just a single executable file.