Canon iR C3200 Series, Руководство по обслуживанию

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Chapter 16
16-24
16.3.2.4 Foggy Image
16.3.2.4.1
Ground color of cut-and-paste newspaper transferred to the copied image
0002-3252
Symptom
When you use a cut-and-paste newspaper as an original, the ground color of the newspaper remains on the
printed document.
Description
When you put newspaper on the whole copy board glass for an original, the ground color of the newspaper can
be suppressed with the AE Function.
Cause
The AE measurement fails, because the cut-and-paste newspaper is located outside of the AE measurement
coverage.
Spot Disposal
Expalin to the users that they should select 'Application Mode>Image adjustment> Ground Color Suppression'
to make a copy in using a cut-and-paste newspaper as an original.
16.3.2.4.2
Fogging on the entire Magenta image: as if it were combed with a brush
0002-3322
Symptom
Image appears to have been given a magenta wash.
Cause
The earth plate of the magenta drum unit contacts the earth pin of the main unit drum unit door guide (FF6-
2110-000). The earth pin is moved out of place or there is contact failure due to soiling.
Field Remedy
Correct or clean the magenta earth pin of the drum unit door guide.
16.3.2.4.3 Fogging appears on the entire image as if it were combed with brush: all colors affected
0002-3327
[ Case in the field ]
Cause
In the field, this symptom occurred because the grounding pins of the drum unit door guide, which come in contact
with the grounding plates of each color's drum unit, were misaligned or soiled and finally had poor contact with the
grounding plate.
Field Remedy
Align or clean the grounding pin for the affected color in the drum unit door guide.