Description: CCD gain adjustment failure It is detected that the CCD clamp gain adjustment value is faulty.
Causes: • LED exposure unit • CCD unit • Scanner drive board (SCDB) • Base board (BASEB)
Remedy: 1. Correct the connector connection between CCDB CN2-BASEB CN6 if faulty. 2. Check for possible extraneous light and correct as necessary. 3. Clean the lens, mirrors, CCD surface, and shading sheet if dirty. 4. Correct reflective mirror of the scanner if faulty, or change scanner mirror. 5. Replace the CCD unit. 6. Replace SCDB. 7. Replace BASEB.
Code: S-2
Description: CIS gain adjustment failure (When DF-714 is installed) It is detected that the CIS clamp gain adjustment value is faulty.
Causes: • CIS module (CIS) • CPU board (CPUB) • Base board (BASEB)
Remedy: 1. Correct the connector connection between CIS J221-BASEB CN5 if faulty. 2. Check CPUB for proper installation and correct as necessary. 3. Check for possible extraneous light and correct as necessary. 4. Wipe clean the back side scanning glass surface and shading sheet. 5. Replace CIS. 6. Replace CPUB. 7. Replace BASEB.