Print Quality Defects Guide

Overview

This article provides print samples with the corresponding defect or cause of the issue.

This can be used as reference in comparing the print quality pages provided by the end‑user.

Links for KB solutions are also included in each issue that is described.

Click “Normal PQ pages” for the regular sample print quality pages.

Index

Grainy or Faded full page	Light print on colored pages	Faded black print	Printouts Are Missing the Cyan, Magenta and Yellow (CMY) Colors
Missing One Full Color Plane on the Printout ‑ Yellow	Missing One Full Color Plane on the Printout ‑ Cyan	Missing One Full Color Plane on the Printout ‑ Magenta	Missing One Full Color Plane on the Printout ‑ Black
Single color is partially missing (Black)	Single color is partially missing (Yellow)	Single color is partially missing (Cyan)	Single color is partially missing (Magenta)
Grayscale or Color shading shows excessive color saturation (Black)	Grayscale or Color shading shows excessive color saturation (Yellow)	Grayscale or Color shading shows excessive color saturation (Cyan)	Grayscale or Color shading shows excessive color saturation (Magenta)
Fuse grade issue for heavy cardstock or labels	Dark bands and light printing	Black backgrounds on all pages	Multi-colored full page background marks

Print quality issue samples

Normal Print Quality sample

PQ start page	Page A	Page B	Page C	Page D	Page E
Page F	Page G	Page H	Page I	Page J

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Printouts are missing the Cyan, Magenta and Yellow (CMY) colors

PQ start page	Page A	Page B	Page C	Page D	Page E
Page F	Page G	Page H	Page I	Page J
Possible cause ‑ First Transfer Module contact failure Solution ‑ Printouts are missing the Cyan, Magenta and Yellow (CMY) colors

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Missing one full color plane on the printout (Yellow)

PQ start page	Page A	Page B	Page C	Page D	Page E
Page F	Page G	Page H	Page I	Page J
Possible cause ‑ First Imaging Unit contact failure or DU contact failure Solution ‑ Missing one full color plane on printout

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Missing one full color plane on the printout (Cyan)

PQ start page	Page A	Page B	Page C	Page D	Page E
Page F	Page G	Page H	Page I	Page J
Possible cause ‑ Second Imaging Unit contact failure or DU contact failure Solution ‑ Missing one full color plane on printout

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Missing one full color plane on the printout (Magenta)

PQ start page	Page A	Page B	Page C	Page D	Page E
Page F	Page G	Page H	Page I	Page J
Possible cause ‑ Third Imaging Unit contact failure or DU contact failure Solution ‑ Missing one full color plane on printout

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Missing one full color plane on the printout (Black)

PQ start page	Page A	Page B	Page C	Page D	Page E
Page F	Page G	Page H	Page I	Page J
Possible cause ‑ Fifth Imaging Unit contact failure or DU contact failure Solution ‑ Missing one full color plane on printout

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Grainy or Faded full page

PQ start page	Page A	Page B	Page C	Page D	Page E
Page F	Page G	Page H	Page I	Page J
Possible cause ‑ Second transfer module contact failure Solution ‑ Grainy or Faded full page

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Light print on colored pages

PQ start page	Page A	Page B	Page C	Page D	Page E
Page F	Page G	Page H	Page I	Page J
Possible cause ‑ Second transfer disengaged Solution ‑ Light print on colored pages

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Faded black print

PQ start page	Page A	Page B	Page C	Page D	Page E
Page F	Page G	Page H	Page I	Page J
Possible cause ‑ Third transfer module failure Solution ‑ Faded black print

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Single color is partially missing (Black)

PQ start page	Page A	Page B	Page C	Page D	Page E
Page F	Page G	Page H	Page I	Page J
Possible cause ‑ Black developer unit (DU) drive failure Solution ‑ Single color is partially missing

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Single color is partially missing (Yellow)

PQ start page	Page A	Page B	Page C	Page D	Page E
Page F	Page G	Page H	Page I	Page J
Possible cause ‑ Yellow developer unit (DU) drive failure Solution ‑ Single color is partially missing

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Single color is partially missing (Cyan)

PQ start page	Page A	Page B	Page C	Page D	Page E
Page F	Page G	Page H	Page I	Page J
Possible cause ‑ Cyan developer unit (DU) drive failure Solution ‑ Single color is partially missing

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Single color is partially missing (Magenta)

PQ start page	Page A	Page B	Page C	Page D	Page E
Page F	Page G	Page H	Page I	Page J
Possible cause ‑ Magenta developer unit (DU) drive failure Solution ‑ Single color is partially missing

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Fuse grade issue for heavy cardstock or labels

PQ start page	Page A	Page B	Page C	Page D	Page E
Page F	Page G	Page H	Page I	Page J
Possible cause ‑ Vinyl label or hot fuser issue Solution ‑ Fuse grade issue for heavy cardstock or labels

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Dark bands and light printing

PQ start page	Page A	Page B	Page C	Page D	Page E
Page F	Page G	Page H	Page I	Page J
Possible cause ‑ Light exposure Solution ‑ Dark bands and light printing

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Grayscale or Color shading shows excessive color saturation (Black)

PQ start page	Page A	Page B	Page C	Page D	Page E
Page F	Page G	Page H	Page I	Page J
Possible cause ‑ Black developer unit (DU) contact failure Solution ‑ Grayscale or Color shading shows excessive color saturation

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Grayscale or Color shading shows excessive color saturation (Yellow)

PQ start page	Page A	Page B	Page C	Page D	Page E
Page F	Page G	Page H	Page I	Page J
Possible cause ‑ Yellow developer unit (DU) contact failure Solution ‑ Grayscale or Color shading shows excessive color saturation

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Grayscale or Color shading shows excessive color saturation (Cyan)

PQ start page	Page A	Page B	Page C	Page D	Page E
Page F	Page G	Page H	Page I	Page J
Possible cause ‑ Cyan developer unit (DU) contact failure Solution ‑ Grayscale or Color shading shows excessive color saturation

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Grayscale or Color shading shows excessive color saturation (Magenta)

PQ start page	Page A	Page B	Page C	Page D	Page E
Page F	Page G	Page H	Page I	Page J
Possible cause ‑ Magenta developer unit (DU) contact failure Solution ‑ Grayscale or Color shading shows excessive color saturation

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Black backgrounds on all pages

PQ start page	Page A	Page B	Page C	Page D	Page E
Page F	Page G	Page H	Page I	Page J
Possible cause ‑ Sixth imaging unit contact failure Solution ‑ Black backgrounds on all pages

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Multi-colored full page background marks

PQ start page	Page A	Page B	Page C	Page D	Page E
Page F	Page G	Page H	Page I	Page J
Possible cause ‑ Fourth imaging unit contact failure Solution ‑ Multi-colored full page background marks

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LEGACY ID: FA1257