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To calibrate the document scanner (continued)
11Examine the calibration graph. A dip in the calibration graph can indicate an image defect.
Note
Dips at the ends of the calibration graph are normal.
12Line up the calibration graph with a newly copied page. If the dip in
the calibration graph corresponds to the black or white line, the |
|
contaminant is likely internal, and the contact image sensor | 2 |
assembly should be replaced. |
EN | LJ 3100/3150 Service mode functions 109 |