Entering Service Mode : HP LaserJets
Service
mode (on newer LaserJet models it's referred to as the Service Menu)
can be helpful for resetting the maintenance count, and various other
trouble-shooting and reset tasks. Keep in mind that Service
Mode is intended for repair technicians, and generally the only reason
to enter service mode is to change the maintenance count.
Here is a list of popular LaserJet models, and the methods of entering Service Mode / Service Menu.
Note: Some of the Service Menus require a PIN code to enter :
click here to see a reference list of PIN Codes HP Laserjet 8000, 8100, and 8150 Series service mode1.
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.)
2. 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.
3. Press MENU once to display SERVICE MENU.
4. Once it says SERVICE MENU press ITEM to scroll through service mode items.
To exit the Service Mode press GO.
HP Laserjet 5si service mode1
Hold down [Items] and [+] 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.)
2 Press [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.
3. Press [Menus] once to display SERVICE MENU.
4. Once it says SERVICE MENU press ITEM to scroll through service mode items.
To exit the Service Mode press [On Line].
HP Laserjet 4V and 4MV service mode1.
Hold down the [On Line], [Form Feed], and [Enter] keys while powering
ON the printer, until all lights are illuminated and the Display Window
is blank. (If the Display Window reads 05 SELF TEST at this point, the
keys were released too soon. Repeat this step until successful.)
2.
Press the [Form Feed] key, then the [Enter] key. The message SERVICE
MODE is displayed briefly, then the printer automatically begins a 05
SELF TEST.
After several seconds, both Control Panel Indicators turn
OFF. (The printer may display 02 WARMING UP if it has not warmed up
completely.) After the printer has warmed up and passed the self test,
SERVICE MODE is displayed.
3. Press [Menus] once to display SERVICE MENU.
4. Once it says SERVICE MENU press ITEM to scroll through service mode items.
To exit the Service Mode press the [On Line] key.
HP Laserjet 5000 series service mode1. Hold down [Select] and [Cancel Job] while turning on the printer.
(If the control panel reads INITIALIZING, the keys were released too soon.)
2. Press the right side of the [Menu] key, then press [Select]. The message SERVICE MODE is displayed.
3. Press [Menus] once to display SERVICE MENU.
4. Once it says SERVICE MENU press ITEM to scroll through service mode items.
To exit the Service Mode press [Go].
HP Laserjet 4100 series service mode1 While turning on the printer, hold down SELECT and CANCEL JOB until all of the lights on the control panel are lit.
2
Press the right side of the MENU key, then press SELECT. The message
SERVICE MODE temporarily appears and will reappear when the printer
completes the initialization process.
3. Press [Menus] once to display SERVICE MENU.
4. Once it says SERVICE MENU press ITEM to scroll through service mode items.
5. To exit the service mode, press GO.
Note: If READY appears in the control panel, the keys might have been released too soon, or the wrong keys were pressed.
HP Laserjet 4000 and 4050 series service mode1
Hold down [Select] and [Cancel Job] while turning on the printer until
all of the lights on the Control Panel are lit. (If the Control Panel
reads INITIALIZING, the keys were released too soon.)
2 Press the right side of the [Menu] key, then press [Select]. The message SERVICE MODE is displayed.
3. Press [Menus] once to display SERVICE MENU.
4. Once it says SERVICE MENU press ITEM to scroll through service mode items.
5. To exit the Service Mode press [Go].
HP Laserjet 4 and 4 plus series service mode1.
Hold down the [On Line], [Form Feed], and [Enter] keys while powering
ON the printer, until the ON LINE and FORM FEED indicators are both
illuminated and the Display Window is blank. (If the Display Window
reads 05 SELF TEST at this point, the keys were released too soon.
Repeat this step until successful.)
2. Press the [Form Feed] key,
then the [Enter] key. The message SERVICE MODE is displayed briefly,
then the printer automatically begins a 05 SELF TEST. After several
seconds, the ON LINE and FORM FEED lights turn OFF.
(The printer may
display 02 WARMING UP if it has not warmed up completely.) After the
printer has warmed up and passed the self test, SERVICE MODE is
displayed.
3. Press [Menus] once to display SERVICE MENU.
4. Once it says SERVICE MENU press ITEM to scroll through service mode items.
5. To exit the Service Mode press the [On Line] key.
HP Laserjet 5 series service mode
1. Hold down the Menu+ and Value+ keys while powering on the printer. Hold the keys down until SERVICE MODE is displayed.
2. The interrupted power-on self test is resumed. If the test completes successfully, the message SERVICE MODE is displayed.
3. To exit service mode, press the Go button.
Laserjets 5P, 6P, 2100, 2200 and other printers that do not have a display panel (LEDs only).These
models are designed as low volume personal printers and do not have a
maintenance count that needs to be reset or a readily accessible service
mode. You can cold reset these printers or completely reinitialize the
NVRAM (nonvolatile ram) to factory defaults. Cold resetting will reset
most of the system parameters to factory defaults and reinitializing the
NVRAM will reset ALL system parameters to the factory defaults. Also,
there is a service mode for these printers but it is only accessible
through software using PJL service mode commands. Buy the printer's
service manual if you want to learn more.
HP Laserjet 5L, 6L, 1100, 1200 do not have a service mode. You can only perform a cold-reset and continuous self-test.
Multifunction printers - printers/copiers/fax/scanners (e.g. HP 3100, 3150, 3200, etc.)Service
modes in these printers are more extensive because of the scanning and
faxing features. We recommend buying the service manual for these units
if you will be doing any repairs beyond mechanical components.
