06/2014
3-5
WC 5022/5024
3.1.4 Image Quality Troubleshooting
Image Quality Troubleshooting
Version 1.0
IQ1 IOT Image Quality Entry RAP
Initial Actions
Determine whether the image quality problem occurs in Copy Mode or Printer Mode. If the
problem occurs in Copy Mode, go to [IQ2 IIT Image Quality Entry RAP].
Procedure
Determine the image quality problem and go to the relevant RAP.
IQ2 IIT Image Quality Entry RAP
Initial Actions
Clean the Platen Glass.
Procedure
Determine the image quality problem and go to the relevant RAP.
Table 1
Image Quality Problem Symptoms RAP
Low Image Density Overall low density of images. IQ3 RAP
Wrinkled Image The printed paper is creased, folded or torn. IQ4 RAP
Residual Image (Ghost-
ing)
Ghost images appear on the paper. Parts of the
previous page or current page appear as ghost
images on the paper.
IQ5 RAP
Background The whole page or part of the page is contami-
nated by toner. The contamination appears as very
light grayish color.
IQ6 RAP
Deletion Part of the image is missing. IQ7 RAP
Skew/Misregistration Printed images are not parallel to the edges of the
paper.
IQ8 RAP
Process Direction Bands,
Streaks, and Smears
Black lines or blank areas running along the paper
in vertical direction.
IQ9 RAP
Unfused Copy/Toner Off-
set
Printed images are not properly fused onto the
paper. When rubbed, the image comes off easily.
IQ10 RAP
Repeating Bands,
Streaks, Spots, and Smear
Black lines or blank areas running along the paper
in h.orizontal direction.
IQ11RAP
Mottle Uneven printed image density. IQ12 RAP
Spots Toner spots and blank areas are spread irregularly
over the whole page.
IQ13 RAP
Black Prints Paper is printed completely black. IQ14 RAP
Blank Image Paper is printed completely white. IQ15 RAP
Table 1
Image Quality Problem Symptoms RAP
Low Image Density Overall low density of images. IQ3 RAP
Background The whole page or part of the page is contami-
nated by toner. The contamination appears as very
light grayish color.
IQ6 RAP
Process Direction Bands,
Streaks, and Smears
Black lines or blank areas running along the paper
in vertical direction.
IQ9 RAP
Repeating Bands,
Streaks, Spots, and Smear
Black lines or blank areas running along the paper
in h.orizontal direction.
IQ11RAP
Spots Toner spots and blank areas are spread irregularly
over the whole page.
IQ13 RAP
Black Prints Paper is printed completely black. IQ14 RAP
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