Lexmark W820 Service Manual - Page 15

4025-Finisher To avoid permanent eye damage, follow these directions: • Before starting any service procedure, switch off the printer power and unplug the power cord from the AC wall outlet. • Do not disassemble the printer Printhead Assembly or any laser component that displays a Laser Warning sticker. • Use caution when you are working around the printer Printhead Assembly or when you are performing laser related troubleshooting or repair procedures. • Never place a mirror or a reflective tool or object in the laser beam path. • Do not disassemble the printer in such a way that the laser beam can exit the print engine during a print cycle. Printer Fuser Components CAUTION: This printer uses heat to fuse the toner image to a sheet paper. The printer Fuser Assembly is very hot. Switch off printer power and wait at least 45 minutes for the fuser to cool before you attempt to service the printer Fuser Assembly or adjacent components. Safety Components Make sure covers and panel are in place and that all interlock switches are all functioning correctly after you have completed a printer or option service call. If you bypass, or cheat, an interlock switch during a service call, use extreme caution when working on or around the printer or options. Caution Labels Throughout the equipment, warning labels are displayed on potentially dangerous components. When you service the printer and options, check to make sure that all caution labels are in place. Most importantly, read and obey all posted caution labels. Introduction 1-3