The Scanner Repair Guide is a guide to scanner repair written by Founder. The main contents include the working principle, classification, maintenance process, use skills, common fault solutions, Founder scanner common faults and scanner maintenance.
The manual is written to standardize the actions of repair engineers when servicing scanners and to offer a general method for fault diagnosis and resolution. It gathers the experience of senior engineers and presents it as a reference for both new and seasoned technicians.
The document covers scanner overview, classification, step‑by‑step repair procedures, usage tips, common fault solutions, and personal maintenance recommendations. It also explains the core components such as CCD/CIS sensors and A/D converters, and gives guidance on cleaning, lubrication, and optimal resolution settings. This manual is written in Chinese.
| Sensor types | CCD, CIS |
|---|---|
| Resolution unit | dpi (Dots Per Inch) |
The CCD or CIS image sensor and the A/D converter that turns the analog signal into digital data.