Service mode functions PJL software commands

Setting the service mode in the LJ 1100 series printer allows the following functionality Sets the following NVRAM variables - Factory printer default paper the factory default paper size for the scanner (if one is attached) will be set to the same value automatically. - Factory printer default lpardipul e-yde-et - Factory default priutpageuouut - Factory ' (if the scanner is attached) - Factory default uopypageuouut (if the scanner is attached) The default quick-copy paper size is also stored...

Image defect details

The media does not meet HP specifications. The toner cartridge is defective. The inside of the printer is dirty. The transfer roller is dirty or worn. The toner cartridge is defective. The toner cartridge is not seated properly. The fusing assembly is contaminated or damaged. The static eliminator teeth are contaminated or defective. The lens in the laser scanner is broken. The high-voltage power supply connections are dirty. The high-voltage power supply is installed improperly. If the...

Legend for LJ 2100 series LED displays

Secondary service error messages legend Engine Error (Error 55 - Engine Communication Error A printer error has occurred. Press Go to clear the error message. Check the connections to the intermediate PCB and the engine controller assembly. Replace the engine controller assembly. Press Go. The page containing the error will Turn the printer off and reseat the laser scanner Beam Error (Error 51 - Bad Beam Detect) Press Go. The page containing the error will automatically be reprinted. Turn the...

Character voids

Small gaps or voids may appear in some of the characters when printing on media other than standard photocopier paper. These character voids occur because some print media does not accept the transfer of toner as well as others. To minimize the occurrence of character voids, avoid media with a rough finish. Use media that is within the Hewlett-Packard paper specifications listed in the user guide or the HP LaserJet Family Paper Specification Guide. If the finish is too rough, the surface will...

Potential toner cartridge issues Banding

When printing with a laser printer, the toner is applied across the page in horizontal strips. The page is moved through the printer and toner is continually applied. When printing text or black image pages, a large amount of toner is deposited on the page. As the amount of toner deposited on the page decreases, slight speed variations become more apparent. As the resolution (dots per inch) and the speed (pages per minute) increase, a variation in pattern intensity may appear on the page as...