HP Color LaserJet Pro M452

Use the secondary service menu to print service-related reports and to run special tests. Customers do not have access to this menu.

2-line control panels (M452nw/dn models)

1. From the printer control panel, press the OK button.
2. Press and hold the Left ◄ button.
3. Press the Cancel ✖ button.
4. Press the OK button to reopen the Setup menu.
5. Scroll to the 2ndary Service menu, and then press the OK button.

Touchscreen control panel (M452dw and M477 models)

1. From the Home screen on the printer control panel, touch the Setup button.
2. Touch the space between the Home and Help buttons.
3. Touch the Back button.
4. Touch the Setup button.
5. Scroll to and touch the 2ndary Service menu.

The following menu items appear in the secondary service menu:

Menu item	Sub-menu item	Description
Default Settings	Self-managed	This item optimizes open security settings with a proactive configuration for a self-managed environment.
	IT-managed	This item optimizes centralized administration of a group of printers with enhanced security settings in an information technology (IT) administrator managed environment.
Location	A list of available locations displays	This item sets certain printer parameters that are dependent on the location, such as the default paper size and the symbol set. Scroll to the appropriate location and select Yes to set the location. The printer automatically restarts after you change the location.
Line Frequency		This item allows the refresh rate of the touchscreen control panel to be changed between 50 and 60 Hz.
LED test (2-line control panels only)		2-line control panels: This test verifies that the LEDs on the control-panel display function correctly. At the beginning of the test, each of the LEDs turns on one-at-a-time. Press the OK button to continue to the next LED.
Display test		2-line control panels: This test begins by testing the pixels on each line. Then, each of the 255 characters is displayed in groups of 16. Press the OK button to continue to the next group of 16 characters. You can cancel the test at any time by touching the Cancel button. Touchscreen control panels: The test sets the display colors. Touch the OK button to confirm each setting.
Button test		This test verifies that the control-panel buttons function correctly. The display prompts you to touch each button.
CP FW Version		This item displays the current control panel firmware version.
NAND Reset		This item resets the NAND memory.
Permanent Config.	Allow Prevent	This item is used only by authorized third-party vendors for custom printer setup. When Allow is selected, the printer is set as a non-HP printer CAUTION:Do not select the Allow option unless requested to do so by an authorized third-party vendor.
Service Reports	Cont. Self-Test	This item prints a continuous configuration page.
	Error report	This item prints an error report that contains the last 5 instances of 49.xx.yy or 79.xx.yy errors.
	DS Fax
Color Cal.	Adjust color	This item adjusts density settings for contrast, highlights, midtones, and shadows. Adjust each color individually.
	Timing	This item specifies how frequently the printer should automatically perform a color calibration. The default setting is 48 hours. You can turn automatic calibration off.
Scan Calibration		This item calibrates the scanner assembly.
Clean Belt		This item runs additional belt-cleaning cycles.
Speed		Use this item to toggle between high and low.
802.11n (Wireless models only)		This item enables or disables the wireless 802.11n functionality.
Fax Settings