HP Q7699A HP LaserJet 9040/9050 - User Guide - Page 131

Light print or fade, Specks, Dropouts, Lines, Gray background

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Light print or fade ● The print cartridge might be low. Replace the print cartridge. ● 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 the HP support flyer or go to www.hp.com/support/lj9050_lj9040.) ● The print cartridge might be almost empty. Replace the print cartridge. Specks Specks might appear on a page after a jam has been cleared. ● Print a few more pages to see if the problem corrects itself. ● If specks occur frequently, set your printer up to automatically run a cleaning page (see Using the printer cleaning page). ● Clean the inside of the printer (see General cleaning, or go to www.hp.com/support/ lj9050_lj9040) and run a manual cleaning page to clean the fuser (see Using the printer cleaning page). ● Try using a different type of paper. ● Check for print cartridge leaks. If the print cartridge is leaking, replace it. Dropouts ● Make sure that the environmental specifications for the printer are being met (see Environmental specifications). ● If the paper is rough and the toner easily rubs off, either try changing the fuser mode to High 1 or High 2, or try using a smoother paper. ● Try using a different paper type. Lines ● Print a few more pages to see if the problem corrects itself. ● Clean the inside of the printer (see Cleaning the printer, or go to www.hp.com/support/ lj9050_lj9040) and run a manual cleaning page to clean the fuser (see Using the printer cleaning page). ● Replace the print cartridge. ● 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 the HP support flyer or go to www.hp.com/support/lj9050_lj9040.) Gray background ● Do not use paper that has already been run through the printer. ● 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 printer control panel, use the Print quality menu to decrease the toner density setting (see System setup submenu). ● Make sure that the environmental specifications for the printer are being met (see Environmental specifications). ● Replace the print cartridge. ENWW Correcting output quality problems 129

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ENWW
Correcting output quality problems
129
Light print or fade
●
The print cartridge might be low. Replace the print cartridge.
●
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 the HP support flyer or go to
www.hp.com/support/lj9050_lj9040
.)
●
The print cartridge might be almost empty. Replace the print cartridge.
Specks
Specks might appear on a page after a jam has been cleared.
●
Print a few more pages to see if the problem corrects itself.
●
If specks occur frequently, set your printer up to automatically run a cleaning page (see
Using the printer cleaning page
).
●
Clean the inside of the printer (see
General cleaning
, or go to
www.hp.com/support/
lj9050_lj9040
) and run a manual cleaning page to clean the fuser (see
Using the printer
cleaning page
).
●
Try using a different type of paper.
●
Check for print cartridge leaks. If the print cartridge is leaking, replace it.
Dropouts
●
Make sure that the environmental specifications for the printer are being met (see
Environmental specifications
).
●
If the paper is rough and the toner easily rubs off, either try changing the fuser mode to High
1 or High 2, or try using a smoother paper.
●
Try using a different paper type.
Lines
●
Print a few more pages to see if the problem corrects itself.
●
Clean the inside of the printer (see
Cleaning the printer
, or go to
www.hp.com/support/
lj9050_lj9040
) and run a manual cleaning page to clean the fuser (see
Using the printer
cleaning page
).
●
Replace the print cartridge.
●
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 the HP support flyer or go to
www.hp.com/support/lj9050_lj9040
.)
Gray background
●
Do not use paper that has already been run through the printer.
●
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 printer control panel, use the
Print quality
menu to decrease the toner density setting
(see
System setup submenu
).
●
Make sure that the environmental specifications for the printer are being met (see
Environmental specifications
).
●
Replace the print cartridge.