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.)

ENWW

Correcting output quality problems 159