[. . . ] HP LaserJet Printers User Guide 2100 2100 M 2100 TN HP LaserJet 2100, 2100 M, and 2100 TN Printers User Guide _________________ © Copyright Hewlett-Packard Company 2002 All Rights Reserved. Reproduction, adaptation, or translation without prior written permission is prohibited, except as allowed under the copyright laws. Publication number: C4170-90901 Second Edition, January 2002 Warranty The information contained in this document is subject to change without notice. Hewlett-Packard makes no warranty of any kind with respect to this information. [. . . ] Note In order for the engine cleaning page to work properly, print the page on copier-grade paper, not bond or rough paper. Engine Cleaning This process uses copier-grade paper from Tray 2 to remove dust and toner from the paper path. Use this process if you are experiencing toner specks or dots on printouts. See "Starting the Cleaning Process" on page 74. Toner Cartridge Cleaning This process cleans the drum inside the toner cartridge. Use this process if you are experiencing blurred, faded or smeared printouts. See "Starting the Cleaning Process" on page 74. EN Chapter 3 Printer Tips and Maintenance 73 Note Make sure the toner cartridge is not empty when using the toner cartridge cleaning. This 10-minute process consumes toner and if used often can reduce toner cartridge life. Starting the Cleaning Process 1. For engine cleaning, press the Go button, or for cartridge cleaning, press the Job Cancel button. To stop the toner cartridge cleaning process, turn the printer off. 74 Chapter 3 Printer Tips and Maintenance EN Internal Cleaning Procedure 1 Over time, particles of toner and paper will begin to accumulate inside the printer. Before cleaning the printer, turn the printer off and unplug the power cable. Remove the toner cartridge. 2 3 CAUTION To prevent damage, do not expose the toner cartridge to light for more than a few minutes. Place a piece of paper over the top of the toner cartridge to shield it while it is out of the printer. 3 With a dry, lint-free cloth, wipe any residue from the paper path area and the toner cartridge cavity. Plug in the power cable, and turn the printer on. 4 4 EN Chapter 3 Printer Tips and Maintenance 75 76 Chapter 3 Printer Tips and Maintenance EN 4 Problem Solving Overview This chapter helps you troubleshoot printer problems in the following areas: Troubleshooting Checklist Troubleshooting General Printing Problems Printing Special Pages Clearing Paper Jams Solving Print Quality Problems Infrared Printing Problems Troubleshooting Error Messages Secondary Light Patterns Network Problems Common Windows Problems Common Macintosh Problems Troubleshooting PS Errors EN Chapter 4 Problem Solving 77 Troubleshooting Checklist If the printer is not responding properly, complete the following checklist in order. If the printer does not pass a step, follow the corresponding troubleshooting suggestions. Troubleshooting Checklist Make sure the printer Ready light is on. If other lights are on, go to "Troubleshooting Error Messages" on page 99. Press GO to print a If a demo page does not print, check the paper supply in Tray 2 or Tray 3. If the page jams in the printer, go to "Clearing Paper Jams" on page 85. If the printer prints, but you get an error message, go to "Troubleshooting Error Messages" on page 99. If there is a print quality problem, go to "Solving Print Quality Problems" on page 91. 78 Chapter 4 Problem Solving EN Troubleshooting Checklist (continued) Print a short document from a software application to verify the computer and printer are connected and are communicating correctly. If the page does not print, check the cable connection between the printer and computer. Check the print queue or print spooler (print monitor in Mac) to see if the printer has been paused. Check the software application to make sure you are using the proper printer driver and port. If the page is interrupted during printing, go to "Troubleshooting General Printing Problems" on page 80. If completing the checklist did not diagnose the problem with the printer, check the following troubleshooting sections: "Troubleshooting General Printing Problems" on page 80 "Infrared Printing Problems" on page 97 "Troubleshooting Error Messages" on page 99 "Secondary Light Patterns" on page 102 "Network Problems" on page 107 "Common Windows Problems" on page 108 "Common Macintosh Problems" on page 110 "Troubleshooting PS Errors" on page 114 EN Chapter 4 Problem Solving 79 Troubleshooting General Printing Problems Troubleshooting General Printing Problems Symptom Possible Cause Solution For many software applications, the paper tray selection is found under the Page Setup menu within the application. [. . . ] This appendix provides a quick reference for users who are already familiar with PCL command structure. The PCL 5e printer commands are backward-compatible with previous versions of PCL. The PCL 6 printer commands take full advantage of the printer's features. HP-GL/2 The printer has the ability to print vector graphics using the HP-GL/2 graphics language. Printing in the HP-GL/2 language requires that the printer leave PCL language and enter HP-GL/2 mode, which can be done by sending the proper PCL codes. [. . . ]