4-13
Confidential
5. IF YOU REPLACE THE ADF UNIT, CIS UNIT
OR DOCUMENT SCANNER UNIT
What to do after replacement
• Acquiring White Level Data (Function code 55)
• Scanning and Printing Check
5.1 Acquiring White Level Data (Function code 55)
Acquire white level data as described in 「Acquire white level data and set CIS scan area
(Function code 55)」.
5.2 Scanning and Printing Check
Print a copy of any document with ADF, and check if there is any problem on the printed
image.
Check if there is any problem on the ADF and the performance of recording part.
Check if there is any problem on the document scanner unit and the performance of
recording part.