Uneven Density - Canon iR C3200 Series Service Manual

Follow the steps below:
1. Make sure that the interface cable connecting the reader unit and the printer unit is securely fitted.
2. Check whether this symptom was resolved by performing "CCD-ADJ" and "SH-PS-ST" in service mode
[COPIER> Function> CCD> CCD-ADJ, SH-PS-ST]. When selecting the item, the adjustment will start
automatically.
3. Make sure that the connectors between the CCD unit, the Reader Controller PCB and the Interface PCB are
securely fitted.
4) If the symptom still recurs even after the Steps 1 through 3, replace the CCD unit with a new one.
After replacement of the CCD unit, enter the values (for color displacement correction in sub scanning direction)
indicated on the label attached to the unit in service mode [COPIER> Adjust> CCD> CCDU-RG, CCDU-GB].
CCD Unit: FM2-0023
F-16-38

16.3.2.5 Uneven Density

16.3.2.5.1 Uneven color around characters: when being printed on half-tone background in
combination with MacOS and QuarkXpress
[ Case in the field ]
Field Remedy
In the field, the setting change on Mac side improved the symptom. Select [Printer Functions> Halftone>
Resolution].
Description
When "Resolution" is selected for the Halftone setting, the reproductivity for halftone will be improved and thus
uneven color will be relieved.
Chapter 16
0002-3290
16-35