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Guide to the Names and Functions of the Control Panel

This illustration shows the control panel of the printer.

SP C340DN

Control panel illustration numbered callout illustration

  1. [Job Reset] key

    Press to cancel the current print job.

  2. [Switch Functions] key

    Press this key to switch between the operation screen of the printer function and the function screens of the extended features currently in use.

  3. Display

    Displays current printer status and error messages.

    Entering energy saver mode turns off the back light. For details about energy saver mode, see Saving Energy.

  4. Scroll keys

    Press these keys to move the cursor in each direction.

    When the [Up arrow key] [Down arrow key] [Left arrow key] [Right arrow key] keys appear in this manual, press the applicable key for the direction that you want to move the cursor.

  5. [Escape] key

    Press this key to cancel an operation or return to the previous display.

  6. [Suspend/Resume] key

    Press this to suspend the print job currently being processed. The indicator remains lit as long as the job is suspended.

    To resume the job, press this key again. The suspended job will resume automatically when the time specified in [Auto Reset Timer] elapses (default: 60 seconds).

    For details about the [Auto Reset Timer] setting, see Timer Settings (SP C340DN).

  7. Power indicator

    Lights up when the printer is ready to receive data from a computer. Flashes when the printer is warming up or receiving data. It is unlit when the power is off or when the printer is in energy saver mode.

  8. Alert indicator

    Lights up or flashes when a printer error occurs.

    Steady red: printing is not possible, or is possible but print quality cannot be ensured.

    Flashing yellow: the printer will soon require maintenance or a replacement consumable such as print cartridge.

    Follow the instructions that appear on the display.

  9. [Menu] key

    Press this key to configure and check the current printer settings.

    Press to change the default settings to meet your requirements. See Displaying the Printer Configuration Screens Using the Control Panel.

  10. Data in indicator

    Flashes when the printer is receiving data from a computer. The data in indicator is lit if there is data to be printed.

  11. Selection keys

    Correspond to the function items at the bottom line on the display.

    Example: When this manual instructs you to press [Option], press the selection key on the left below the initial screen.

  12. [OK] key

    Use this key to confirm settings or setting values, or move to the next menu level.

  13. Light sensor

    The sensor that detects the ambient light level when the ECO Night Sensor function is enabled.

SP C342DN

Control panel illustration numbered callout illustration

  1. Display panel

    Displays function keys, operation status, and messages. See Guide to the Names and Functions of the Control Panel Screen.

  2. Light Sensor

    Indicates that the sensor that detects the ambient light level when the ECO Night Sensor function is enabled.

  3. [Home] key

    Press to display the [Home] screen. For details, see Using the [Home] screen.

  4. [Suspend] key

    Press this key to suspend a print job. The key lights up while the job is suspended.

  5. [Check Status] key

    Press to check the printer's system status, operational status of each function, and current jobs. You can also display the job history and the printer's maintenance information.

  6. Data In indicator

    Flashes when the printer is receiving print jobs from a computer. The indicator lights up when there is data to be printed.

  7. Check Status indicator

    Lights up or flashes when a printer error occurs.

    Steady red: Printing is not possible.

    Flashing yellow: The printer will soon require maintenance or a replacement consumable such as a print cartridge. Printing is possible, but print quality cannot be ensured.

    Follow the instructions that appear on the display.

  8. Power indicator

    Remains lit while the power is on. It is not lit when the power is off or when the printer is in energy saver mode.

  9. [Energy Saver] key

    Press to switch to and from Sleep mode. See Saving Energy. When the printer is in Sleep mode, the [Energy Saver] key flashes slowly.

  10. [Login/Logout] key

    Press to log in or log out.

  11. [User Tools] key

    Press to change the default settings as needed. See Configuring Printer Settings from the [User Tools] key.

  12. [Simple Screen] key

    Press to switch to the simple screen. See Switching screen patterns.

  13. Media slots

    Insert an SD card or a USB flash memory device.

  14. Media access lamp

    Lights up when a memory storage device is inserted in the media slot or is being accessed.