Konica-minolta magicolor 7450 grafx User Manual download pdf (Page 201)

Solving Problems with Printing Quality

187

Image

defects.

The laser lens is dirty. Clean the laser lens.

A toner cartridge may

be leaking.

Remove the toner cartridges and

check them for damage. If one is dam-

aged, replace it.

A imaging unit may

be defective.

Remove the imaging unit with the color

causing the abnormal image.

Replace it with a new imaging unit.

Lateral lines

or bands

appear on

image.

The printer is not

level.

Place the printer on a flat, hard, level

surface.

The media path is

dirty with toner.

Print several sheets and the excess

toner should disappear.

One or more of the

imaging units may be

defective.

Remove the imaging units and check

them for damage. If one is damaged,

replace it.

Colors look

drastically

wrong.

One or more of the

imaging units may be

defective.

Remove the imaging units and verify

that the toner is distributed evenly on

each cartridge roller, and reinstall the

imaging units.

One or more of the

toner cartridges may

be low or empty.

Check the control panel for an

TONER LOW or TONER EMPTY X

message. If necessary, replace the

specified toner cartridge.

Colors are

not

registering

properly;

colors are

mixed or

have page-

to-page

variation.

One or more of the

imaging units may be

defective.

Remove the imaging units and check

them for damage. If one is damaged,

replace it.

The media is moist

from humidity.

Remove the moist media and replace it

with new, dry media.

Symptom Cause Solution

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Konica-minolta magicolor 7450 grafx User Manual Page 201

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