How To Use The Image Quality Troubleshooting (Ips) - Fuji Xerox DocuCentre SC2020 Service Manual

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How to use the image quality troubleshooting (IPS)

Perform the following procedure to check the fault sample that is obtained during visit or the one that is

provided by the customer and proceed with the appropriate FIP.

If the defected sample is determined as the same problem with the one covered in this chapter

("Defect Image Sample") through visual observation, check the part which is causing the poor

image quality.

When the problem cannot be determined or there was no corresponding NG sample in 1 above,

proceed to the corresponding FIP below to repair the problem.

Image Quality Problem

Background Suppression Adjustment

Density Adjustment: Darkening the High-

Density Adjustment: Lightening

Gradation Jump in 100-lines Photo Doc-

Scan: Smeared Text, Mosquito Noise

Bleed on 2 Sided Document

Platen Background

Color Balance Adjustment

Rough Thin Lines

The default background suppression function is unable to fully remove the background.

The highlight (light colors) is intended to be reproduced in darker shade.

The density is intended to be reproduced in lighter shade.

In the BW and Text & Photo Copy Mode, gradation jump occurs on 100-line photo documents.

Color texts are blurred and mosquito noise is generated around the texts due to JPEG compression.

Bleed occurs in the BW Copy and Text Mode.

When A4 stark white paper such as J Paper/Premier 80 is scanned into A3 when in BW Copy Text Mode and AE is ON, the Platen back den-

sity is reproduced outside of the copy range.

The color of the copy image quality is different from that of the original.

When a document containing extremely thin lines is copied in the Text & Photo Mode, the density of the lines on the copy may become

uneven and rough.

3.2.2 How to use the image quality troubleshooting (IPS)

Refer to FIP

Image Quality Troubleshooting

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