HP LaserJet 9000 HP LaserJet 9000 series printer User Guide - Page 127
Loose toner, Repeating defects, Misformed characters, CON FUSER MODE MENU - fuser modes
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Chapter 5 Problem solving 127 z Replace the print cartridge. Loose toner Loose toner, in this context, is defined as toner that can be rubbed off the page. z If paper is heavy or rough, try using a high fuser mode so that toner fuses more completely onto the paper. At the printer control panel, use CONFIGURE FUSER MODE MENU in the Paper handling menu (see "Paper handling menu" on page 176). 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 printer are being met (see "Environmental product stewardship program" on page 218). z Make sure that paper type and quality meet HP specifications (see "Specifications" on page 164). z Maintenance might be due. Check this by printing a copy of the supplies status page (see "Supplies status page" on page 156). 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/cposupport/.) 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 printer (see the introduce guide on the product CD, or go to www.hp.com/cposupport/) and run a manual cleaning page to clean the fuser (see "Using the printer cleaning page" on page 80). z Maintenance might be due. Check this by printing a copy of the supplies status page (see "Supplies status page" on page 156). 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/cposupport/.) Misformed characters z Print a few more pages to see if the problem corrects itself. z Make sure that the environmental specifications for the printer are being met (see "Environmental product stewardship program" on page 218). Correcting output quality problems