HP LaserJet Pro MFP M133a

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

Open the secondary service menu.

NOTE:
HP Device Toolbox is software used to connect to the HP Embedded Web Server when the printer is connected to a computer via USB. It is available only if a full installation was performed when the printer was installed on a computer. Depending on how the printer is connected, some features might not be available. The HP Embedded Web Server is not accessible beyond the network firewall.

LED control panels

1. Open the HP Printer Assistant.
   • Windows 8.1: Click the down arrow in lower left corner of the Start screen, and then select the printer name.
   • Windows 8: Right-click an empty area on the Start screen, click All Apps on the app bar, and then select the printer name.
   • Windows 7, Windows Vista, and Windows XP: From the computer desktop, click Start, select All Programs, click HP, click the folder for the printer, select the icon with the printer's name, and then open HP Printer Assistant.
2. In the HP Printer Assistant, select Print, and then select HP Device Toolbox.

2-line control panels

1. From the printer control panel, press the Setup button.
2. Simultaneously press the OK button and the Cancel button. The 2ndary Service menu item should be at the top of the list.
3. Use the left and right arrow buttons to navigate through the menu. When finished, press the Cancel button to close the menu.

Touchscreen control panel

1. From the Home screen on the printer control panel, touch the Setup ⚙ button.
2. Touch the space between the Home ⌂ and the Help ❔ button.
3. Touch the Back ⮌ button.
4. Touch the Setup ⚙ button.
5. Touch 2ndary Service (at the top of the list) to access the 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 Resume/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. IMPORTANT: This item affects the printer NVRAM memory and should only be used by authorized HP service personnel.	Allow	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.
	Prevent
Auto-On / Auto-Off	Enabled* Disabled*	Use this item to enable or disable the auto-on / auto-off function.
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		Use this item to access the fax settings menu.