HP LaserJet M9040/M9050 Service Manual - Page 406
Print Quality, The media fails to meet product
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Table 7-13 Image defects (continued) Problem Cause Solution Loose toner Contamination exists in the product. Print a few more pages to see if the problem persists. The print cartridge is defective. Clean the inside of the product, or use a cleaning page. Replace the print cartridge. The media is too smooth. Check the media type and quality. The fuser is configured with the wrong setting Change the fuser mode setting in the control panel Print Quality menu, or select another media type in the print driver. The fuser is defective. Check to see if maintenance is due by printing the supplies status page. Replace the fuser. The envelope levers are set incorrectly. Set the envelope levers correctly for the media type. Repeating defects A roller is defective or contaminated. See the Repeating defect ruler. Page skew Toner smears The media fails to meet product specifications or is stored improperly. Print a few more pages to see if the problem persists. Turn the stack over in the tray, or rotate the stack 180° Use media that meets product specifications. The media is not loaded correctly or the Load the media correctly and set the trays are not adjusted correctly. guides correctly. The registration assembly is installed incorrectly. Reinstall the registration assembly. Contamination exists in the product. Print a few more pages to see if the problem persists. Clean the inside of the product, or use a cleaning page. The media is too smooth. Check the media type and quality. The print cartridge is defective. Replace the print cartridge. The fuser is configured with the wrong setting Change the fuser mode setting in the control panel Print Quality menu, or select another media type in the print driver. 388 Chapter 7 Solve problems ENWW