HP service codes to unlock tech mode

Tech guys only:
Service station error..Remove right cover, remove & take out service station, check any objects in service station movement, remove motor clean entire unit with water you can find out lot of ink inside & too dirty clean it allow to dry apply grease for smooth movement( pl take care of pumping unit & tubes), fix it back, perform service station test ( to enter in service mode switch of the machine with power off button from front panel hold UP arrow button & OK key button then which on the from front panel button, wait till enter in service mode scroll to service station enter, three options service station,primary motor and aerosol motor select service station, enter wait till result papers on panel) best of luck...

Tech guys only:
Service station error..Remove right cover, remove & take out service station, check any objects in service station movement, remove motor clean entire unit with water you can find out lot of ink inside & too dirty clean it allow to dry apply grease for smooth movement( pl take care of pumping unit & tubes), fix it back, perform service station test ( to enter in service mode switch of the machine with power off button from front panel hold UP arrow button & OK key button then which on the from front panel button, wait till enter in service mode scroll to service station enter, three options service station,primary motor and aerosol motor select service station, enter wait till result papers on panel) best of luck...

Tech guys only:
Service station error..Remove right cover, remove & take out service station, check any objects in service station movement, remove motor clean entire unit with water you can find out lot of ink inside & too dirty clean it allow to dry apply grease for smooth movement( pl take care of pumping unit & tubes), fix it back, perform service station test ( to enter in service mode switch of the machine with power off button from front panel hold UP arrow button & OK key button then which on the from front panel button, wait till enter in service mode scroll to service station enter, three options service station,primary motor and aerosol motor select service station, enter wait till result papers on panel) best of luck...

the code is only available with kenwood service center. --------try this method as follows :-- KENWOOD SECURITY CODE CLEAR procedure

These codes are applicable for all Kenwood radios that do not have DVD or DVD screens located on unit.


Your radio will require one of the following procedures.

Type 1
During the code request mode, while holding the DISP key depressed, press and hold the Volume UP or DOWN key for 3 seconds

(so that “…” disappears).
Then using your remote enter your code.

Type 2
Press the "Auto" button and "Track up" on face of radio at the same time. The four dash lines ( . . . . ) should "disappear".

Then using your remote enter your code.

Type 3
Model# DPX-4020 and DPX-4030
Press and hold the 1 then the 6 preset key (preset keys are the buttons on face of radio for storing you "favorite" radio

stations). "C" should display.
Then using your remote, enter your code.


Enter your number from the remote control unit. Your code number is 5227 (KCAR)

* Press numeric key “5” ( 2 times ) and press the Track UP/Next Track key on the remote
* Press numeric key “2” ( 3 times ) and press the Track UP/Next Track key on the remote
* Press numeric key “2” ( 1 time ) and press the Track UP/Next Track key on the remote
* Press numeric key “7” ( 2 times ) and press the Track UP/Next Track key on the remote

The security is canceled and the set enters the TUNER mode. ---------------- if this does not solve then kenwood service center is the last option. -------- This will help. Thanks please keep updated.please do rate the solution positively .thank you for using fixya.

There are no known hacks for your model, however you ca try the following:

Try here:

Unlock Kenwood DVD players


or


"These codes are applicable for all Kenwood radios that do not have DVD or DVD screens located on unit.


Your radio will require one of the following procedures.

Type 1
During the code request mode, while holding the DISP key depressed, press and hold the Volume UP or DOWN key for 3 seconds

(so that “…” disappears).
Then using your remote enter your code.

Type 2
Press the "Auto" button and "Track up" on face of radio at the same time. The four dash lines ( . . . . ) should "disappear".

Then using your remote enter your code.

Type 3
Model# DPX-4020 and DPX-4030
Press and hold the 1 then the 6 preset key (preset keys are the buttons on face of radio for storing you "favorite" radio

stations). "C" should display.
Then using your remote, enter your code.


Enter your number from the remote control unit. Your code number is 5227 (KCAR)

* Press numeric key “5” ( 2 times ) and press the Track UP/Next Track key on the remote
* Press numeric key “2” ( 3 times ) and press the Track UP/Next Track key on the remote
* Press numeric key “2” ( 1 time ) and press the Track UP/Next Track key on the remote
* Press numeric key “7” ( 2 times ) and press the Track UP/Next Track key on the remote

The security is canceled and the set enters the TUNER mode!"
From
Kenwood CD Unlock Code

Good Day,

KENWOOD SECURITY CODE CLEAR procedure

These codes are applicable for all Kenwood radios that do not have DVD or DVD screens located on unit.


Your radio will require one of the following procedures.

Type 1
During the code request mode, while holding the DISP key depressed, press and hold the Volume UP or DOWN key for 3 seconds

(so that “…” disappears).
Then using your remote enter your code.

Type 2
Press the "Auto" button and "Track up" on face of radio at the same time. The four dash lines ( . . . . ) should "disappear".

Then using your remote enter your code.

Type 3
Model# DPX-4020 and DPX-4030
Press and hold the 1 then the 6 preset key (preset keys are the buttons on face of radio for storing you "favorite" radio

stations). "C" should display.
Then using your remote, enter your code.


Enter your number from the remote control unit. Your code number is 5227 (KCAR)

* Press numeric key “5” ( 2 times ) and press the Track UP/Next Track key on the remote
* Press numeric key “2” ( 3 times ) and press the Track UP/Next Track key on the remote
* Press numeric key “2” ( 1 time ) and press the Track UP/Next Track key on the remote
* Press numeric key “7” ( 2 times ) and press the Track UP/Next Track key on the remote

The security is canceled and the set enters the TUNER mode!

The above was pulled from:
http://forum.ecoustics.com/bbs/messages/4/134366.html

Hope this helps

there are a few different ways to unlock according to model. I have posted 3 solutions.
1
During the code request mode, while holding the display key , press and hold the Volume UP or DOWN key for 3 seconds (so that “…” disappears).
Then using your remote enter your code.

2
Press the "Auto" button and "Track up" on face of radio at the same time. The four dash lines ( . . . . ) should "disappear".

Then using your remote enter your code.

3
Press and hold the 1 then the 6 preset key. "C" should display.
Then using your remote, enter your code.


Enter your number from the remote control unit. Your code number is 5227 (KCAR)

* Press numeric key “5” ( 2 times ) and press the Track UP/Next Track key
* Press numeric key “2” ( 3 times ) and press the Track UP/Next Track key
* Press numeric key “2” ( 1 time ) and press the Track UP/Next Track key
* Press numeric key “7” ( 2 times ) and press the Track UP/Next Track key

This should unlock your radio.
Have a great day!

KENWOOD SECURITY CODE CLEAR procedure


Your radio will require one of the following procedures.

Type 1
During the code request mode, while holding the DISP key depressed, press and hold the Volume UP or DOWN key for 3 seconds (so that “…” disappears).
Then using your remote enter your code.

Type 2
Press the "Auto" button and "Track up" on face of radio at the same time. The four dash lines ( . . . . ) should "disappear".

Then using your remote enter your code.

Type 3
Model# DPX-4020 and DPX-4030
Press and hold the 1 then the 6 preset key (preset keys are the buttons on face of radio for storing you "favorite" radio stations). "C" should display.
Then using your remote, enter your code.


Enter your number from the remote control unit. Your code number is 5227 (KCAR)

* Press numeric key “5” ( 2 times ) and press the Track UP/Next Track key
* Press numeric key “2” ( 3 times ) and press the Track UP/Next Track key
* Press numeric key “2” ( 1 time ) and press the Track UP/Next Track key
* Press numeric key “7” ( 2 times ) and press the Track UP/Next Track key

The security is canceled and the set enters the TUNER mode!

if its a kenwood try this :)

KENWOOD SECURITY CODE CLEAR procedure


Your radio will require one of the following procedures.

Type 1
During the code request mode, while holding the DISP key depressed, press and hold the Volume UP or DOWN key for 3 seconds (so that “…” disappears).
Then using your remote enter your code.

Type 2
Press the "Auto" button and "Track up" on face of radio at the same time. The four dash lines ( . . . . ) should "disappear".

Then using your remote enter your code.

Type 3
Model# DPX-4020 and DPX-4030
Press and hold the 1 then the 6 preset key (preset keys are the buttons on face of radio for storing you "favorite" radio stations). "C" should display.
Then using your remote, enter your code.


Enter your number from the remote control unit. Your code number is 5227 (KCAR)

* Press numeric key “5” ( 2 times ) and press the Track UP/Next Track key
* Press numeric key “2” ( 3 times ) and press the Track UP/Next Track key
* Press numeric key “2” ( 1 time ) and press the Track UP/Next Track key
* Press numeric key “7” ( 2 times ) and press the Track UP/Next Track key

The security is canceled and the set enters the TUNER mode!