Panasonic FP7728 Error Codes list and fixing solutions – Compatible Printer model: Panasonic FP7728 – Panasonic FP7728 Error Code List and description errors: Code: E1-01 Description: Scan home problem Code: E1-21 Description: Half speed scan home sensor problem Code: E1-22 Description: 5th & 6th mirror unit sensor problem Code: E1-23 Description: Original registration input problem […]