HP Q7699A HP LaserJet 9040/9050 - User Guide - Page 134

Preventing wrinkles on envelopes If envelopes are wrinkled when printed, first ensure that you are using supported types of envelopes. Then, use the following procedure to move the fuser levers to the higher position while printing the envelopes. To prevent wrinkles on envelopes 1 Open the left door (If an optional output device is installed, first slide it away from the printer). WARNING! Avoid touching the adjacent fusing area. It can be HOT. 2 Locate and lift up the two blue levers. CAUTION 3 Close the left door. When finished printing the envelopes, return the fuser levers to the down position for standard paper types. Failure to return levers in the down position for standard paper types might result in poor print quality. 132 Chapter 6 Problem solving ENWW