Konica Minolta AccurioPress C2070 Troubleshooting Manual page 20

1.2.4. Banding in the main scan direction on halftone image printed
on thick paper(Jitter problem)
(1) Symptom
When printing halftone image on the thick paper, banding may appear at the 104mm and the
208mm from the leading edge of paper.
*Banding mainly appears when using paper weighting 300gsm or more.
thickness and stiffness of paper, banding may appear in paper weighting less than 300gsm.
Feed direction
(2) Cause
Vibration generated when thick paper hitting the entrance
When thick paper hits the 2
conveyed to the photoconductor drum through the intermediate transfer section.
Consequently, the image written on the drum at the instant reflects the vibration and white
banding appears. The distance between the 2
are 104mm and 208mm. (Refer to the figure below)
KONICA MINOLTA Confidential
208mm
104mm
nd
transfer section entrance, slight vibration is generated. It is
nd
208mm
Laser write position
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transfer section and the drum writing position
Affected by the