Scanner Diagnostics - Samsung MultiXpress M5370 Series Service Manual

4. Troubleshooting

4.5.5.3. Scanner Diagnostics

Shading Test
•
Diagnostics > Scanner Diagnostics > Shading Test
NOTE
After replacing the DSDF board, DSDF unit or adjusting the DSDF unit, Shading Test must be executed.
Purpose
Operation Procedure
Verification
4-56
To check quality of scanned images, especially defect in optical devices, including lens, mirror,
lamp, and etc, are suspected.
[For Platen Unit]
Press "Share and Print report" to see if the current shading value is correct.
Mono, red, green, blue gray shading values will be shown on the printed report.
When the previous shading value is needed, press "Print Last Shade Report".
[For DSDF Unit]
Press "Share and Print report(ADF)" to see if the current shading value is correct.
Mono, red, green, blue gray shading values will be shown on the printed report.
When the previous shading value is needed, press "Print Last Shade Report(ADF)".
Check the result on the shading report.
If the result is not OK, clean the CCDM glass.
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