7 Problem solving 142
Correcting output quality problems
z 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 CONFIGURE FUSER MODE MENU in the Paper handling menu (see “Paper handling menu” on page 189
).
z If you have observed a rougher texture on one side of your paper, try printing on the non-rough side.
z Make sure that the environmental specifications for the product are being met (see “Environmental product stewardship
program” on page 238).
z Make sure that paper type and quality meet HP specifications (see “Specifications” on page 178).
z Maintenance might be due. Check this by printing a copy of the supplies status page (see “Supplies status page” on
page 171). If maintenance is due, order and install the printer maintenance kit. (See the introduce guide on the product
CD, or go to www.hp.com/support/lj9000
.)
Repeating defects
z Print a few more pages to see if the problem corrects itself.
z If the distance between defects is 38 mm (1.5 in) or 94 mm (3.76 in), the print cartridge might need to be replaced.
z Clean the inside of the product (see the introduce guide on the product CD, or go to www.hp.com/support/lj9000) and run
a manual cleaning page to clean the fuser (see “Using the product cleaning page” on page 93
).
z Maintenance might be due. Check this by printing a copy of the supplies status page (see “Supplies status page” on
page 171). If maintenance is due, order and install the printer maintenance kit. (See the introduce guide on the product
CD, or go to www.hp.com/support/lj9000
.)
Misformed characters
z Print a few more pages to see if the problem corrects itself.
z Make sure that the environmental specifications for the product are being met (see “Environmental product stewardship
program” on page 238).
z Maintenance might be due. Check this by printing a copy of the supplies status page (see “Supplies status page” on
page 171). If maintenance is due, order and install the printer maintenance kit. (See the introduce guide on the product
CD, or go to www.hp.com/support/lj9000
.)
Page skew
z Print a few more pages to see if the problem corrects itself.
z Verify that there are no torn pieces of paper inside the product.
