Scanned images are faint.

Step	Confirmation points and methods	Page	YES	NO
1	Carry out cleaning Clean the CIS Module, White Base Assy and document feed path referring Cleaning the Scanner Unit. Does the product recover from the failure?	---	End	Go to step 2
2	Execute the Shading Calibration (Basic Adjustment) Does the product recover from the failure?	Shading Calibration (Basic Adjustment)	End	Go to step 3
3	Replace the CIS Module Does the product recover from the failure?	CIS Module Home Side CIS Module Full Side CIS Module Center	End	Escalate to person in charge

Step

Confirmation points and methods

Page

YES

Carry out cleaning

Clean the CIS Module, White Base Assy and document feed path referring Cleaning the Scanner Unit.

Does the product recover from the failure?

---

End

Go to step 2

Execute the Shading Calibration (Basic Adjustment)

Does the product recover from the failure?

End

Go to step 3

Replace the CIS Module

Does the product recover from the failure?

End

Escalate to person in charge

# Scanned images are faint.