E gray background, E toner smear, E loose toner – HP LaserJet 9040.9050 Multifunction Printer series User Manual

Page 163: E repeating defects, Gray background, Toner smear, Loose toner, Repeating defects

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ENWW

Correcting output quality problems 159

Gray background

●

Do not use paper that has already been run through the MFP.

●

Print a few more pages to see if the problem corrects itself.

●

Turn over the stack of paper in the tray. Also, try rotating the paper 180°.

●

At the MFP control panel, use the

PRINT QUALITY

menu to decrease the toner density setting

(see

Print quality submenu

).

●

Make sure that the environmental specifications for the MFP are being met (see

Environmental specifications

).

●

Replace the print cartridge.

Toner smear

Also see

Loose toner

.

●

Print a few more pages to see if the problem corrects itself.

●

Try using a different type of paper.

●

Make sure that the environmental specifications for the MFP are being met.

●

Clean the inside of the MFP and run a manual cleaning page to clean the fuser (see

Cleaning the MFP

and

Using the MFP cleaning page

).

●

Maintenance might be due. Check this by printing a copy of the supplies status page (see

Supplies status page

). If maintenance is due, order and install the printer maintenance kit.

(See

Parts and accessories

, or go to

www.hp.com/support/lj9040mfp

or

www.hp.com/

support/lj9050mfp

.)

●

Replace the print cartridge.

Loose toner

Loose toner, in this context, is defined as toner that can be rubbed off the page.

●

Make sure that the fuser levers are down.

●

If paper is heavy or rough, try using a high fuser mode so that toner fuses more completely
onto the paper. At the control panel, use

FUSER MODES

menu in the

PRINT QUALITY

submenu

(see

Print quality submenu

).

●

If you have observed a rougher texture on one side of your paper, try printing on the
smoother side.

●

Make sure that the environmental specifications for the MFP are being met (see

Environmental specifications

).

●

Make sure that paper type and quality meet HP specifications (see

Specifications

).

●

Maintenance might be due. Check this by printing a copy of the supplies status page (see

Supplies status page

). If maintenance is due, order and install the printer maintenance kit.

(See

Parts and accessories

, or go to

www.hp.com/support/lj9040mfp

or

www.hp.com/

support/lj9050mfp

.)

Repeating defects

●

Print a few more pages to see if the problem corrects itself.

●

If the distance between defects is 38 mm (1.5 inches) or 94 mm (3.8 inches), the print
cartridge might need to be replaced.

●

Clean the inside of the MFP and run a manual cleaning page to clean the fuser (see

Cleaning the MFP

and

Using the MFP cleaning page

).

●

Maintenance might be due. Check this by printing a copy of the supplies status page (see

Supplies status page

). If maintenance is due, order and install the printer maintenance kit.

(See

Parts and accessories

, or go to

www.hp.com/support/lj9040mfp

or

www.hp.com/

support/lj9050mfp

.)

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