Rabu, 18 Januari 2012

Procedure to enter service mode on most older HP printer models

SERVICE MODE

The following tasks can be performed while in service mode:

    Verify the page count.
    Set the page count.
    Set the maintenance count.
    Verify and set the serial number.
    Set the cold reset default. This sets the factory default paper size to either Letter or A4.
    Turn the diagnostic function on or off (for software developer’s use only).
    Clear the event log.
    Use the extended Service mode.
    Reset softswitches.
    Perform a firmware download.
    Recalibrate the document scanner.
    Set the interval at which the PERFORM PRINTER MAINTENANCE message appears on the control panel.

Procedure to enter service mode on most older HP printer models:

  1. Hold down SELECT and JOB CANCEL while powering on the printer, until all lights are illuminated and the display is blank. (If the display panel reads INTERNAL TEST at this point, the keys were released too soon. Repeat this step until successful.)

  1. Press MENU, then SELECT. The message SERVICE MODE is displayed briefly; then the printer automatically begins an INTERNAL TEST. After several seconds, both control panel indicators turn off. (The printer may display WARMING UP if it has not warmed up completely.) After the printer has warmed up and passed the self test, SERVICE MODE is displayed.
  2. Press MENU once to display SERVICE MENU.

  1. To exit the service mode, press the GO button.

PIN codes are required to enter service mode on newer HP printer models:
Authorized HP service technicians can use this menu to gain access to printer settings that are reserved for service personnel. The service menu is protected by use of a personal identification number (PIN). When you select SERVICE from the list of menus, you are prompted to type an eight-digit PIN code.

The printer automatically exits the service menu after about one minute if no menu items are selected or changed.

  1. Press the Select (a) button to open the menus. Use the Up Arrow (5) button or the Down Arrow (6) button to scroll to SERVICE, and then press the Select (a) button.

  1. Press the Up Arrow (5) button or the Down Arrow (6) button until the first digit of the PIN code appears (PIN codes listed below). Press the Select (a) button to save that digit. Repeat this selection procedure until you have typed the entire eight-digit PIN code. You can use the Left Arrow (3) button to return to a PIN digit. When the last digit is saved, the service submenu appears on the control-panel display.

  1. Use the Up Arrow (5) button or the Down Arrow (6) button to scroll to the service-menu item that you want, and then press the Select (a) button.

PIN codes:

Monochrome printers
Color printers
mfp models



LaserJet 2300   11230002
Color LaserJet 3500 / 3550   10350003
LaserJet 4100 mfp   04410002
LaserJet 2400   11240002
Color LaserJet 3700   10370003
LaserJet 4345 mfp   11434504
LaserJet 4200   11420002
Color LaserJet 4600   04460002
LaserJet 9000 mfp   00900001
LaserJet 4250   09425004
Color LaserJet 4650   05465004
LaserJet 9040 mfp   11904004
LaserJet 4300   11430002
Color LaserJet 4700   09470005
LaserJet 9050 mfp   11905004
LaserJet 4350   09435004
Color LaserJet 5500   04550002

LaserJet 9000   00900001
Color LaserJet 5550   09555004
Color LaserJet 4730 mfp   09473005
LaserJet 9040   04904005
Color LaserJet 9500   04950003
Color LaserJet 9500 mfp   119500004
LaserJet 9050   09905004



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