HP LaserJet M9040/M9050 Service Manual - Page 30

Use the control panel The control panel has a VGA touchscreen that provides access to all product functions. Use the buttons and numeric keypad to control jobs and the product status. The LEDs indicate overall product status. Control-panel layout The control panel includes a touchscreen graphical display, job-control buttons, a numeric keypad, and three light-emitting diode (LED) status lights. Figure 2-1 Control panel 1 Attention light The Attention light indicates that the product has a condition that requires intervention. Examples include an empty paper tray or an error message on the touchscreen. 2 Data light The Data light indicates that the product is receiving data. 3 Ready light The Ready light indicates that the product is ready to begin processing any job. 4 Brightness-adjustment dial Roll the dial to control the brightness of the touchscreen. 5 Touchscreen graphical display Use the touchscreen to open and set up all product functions. 6 Numeric keypad Allows you to type numeric values for number of copies required and other numeric values. 7 Sleep button If the product is inactive for a long period of time, it automatically enters a sleep mode. To place the product into sleep mode or to reactivate the product, press the Sleep button. 8 Reset button Resets the job settings to factory default or user-defined default values. 9 Stop button Stops the active job. While stopped, the control panel shows the options for the stopped job (for example, if you press the Stop button while the product is processing a print job, the control panel message prompts you to cancel or resume the print job). 10 Start button Begins a copy job, starts digital sending, or continues a job that has been interrupted. 12 Chapter 2 Control panel ENWW