4-11
Confidential
5. IF YOU REPLACE THE FIRST SIDE 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 “1.3.17 Acquire white level data and set CIS scan
area (function code: 55)” in Chapter 5.
5.2 Scanning and Printing Check
Scan the test chart TC-023 on the scanner glass, and check if there is any problem on the
printed image.
Check if there is any problem on the document scanner unit and the performance of
recording part.
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