Dell C5765DN Betriebsanweisung PDF herunterladen (Seite 517)

100

101

Image Quality Trouble

Symptom Cause Remedy

Part of the image

is missing on the

copy.

Is the paper damp? If the paper is damp, the copy image may be

partially missing or unclear. Replace the paper

with new one.

Refer to "Loading Paper" (P.207).

Is folded or wrinkled paper

included in the tray?

Remove the unsuitable paper or replace all of

the paper with new one.

Refer to "Loading Paper" (P.207).

Is the document pasted or

folded?

The pasted or folded section may not be

laying flat on the document glass. Place a

stack of white sheets on top of the document

to flatten the document against the

document glass.

The copy has a

stripe pattern.

Is the enlargement ratio too

large?

Vertical stripes may be printed on the copies

depending on the ratio. Adjust the ratio to

eliminate the stripes.

Refer to "Reduce / Enlarge (Making Enlarged/

Reduced Copies)" (P.60).

Color shift of

color copies is

poor, resulting in

unsatisfactory

image quality.

Is the color calibration

incorrect?

Execute auto calibration.

Refer to "Executing Calibration" (P.248).

Is the machine set where it is

exposed to direct sunlight?

If the document glass is exposed to strong

light when you turn the machine on or cancel

the Power Saver mode, color shift may occur.

Close the document cover and turn the

machine on, and when the machine becomes

ready to copy or print, turn the machine off

and then on one more time.

Printing is faint.

(smudged,

unclear)

The paper is damp. Replace the paper with new one.

Refer to "Loading Paper" (P.207).

The drum cartridge has

deteriorated or is damaged.

Replace the drum cartridge with a new one.

Refer to "Replacing Drum Cartridges C, M,

Y, or K" (P.223).

There is no toner left in the

toner cartridge.

Replace the toner cartridge with a new one.

Refer to "Replacing Toner Cartridges"

(P.219).

Black dots are

printed.

The drum cartridge has

deteriorated or is damaged.

Replace the drum cartridge with a new one.

Refer to "Replacing Drum Cartridges C, M,

Y, or K" (P.223).

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