Technical information

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An internal electrical failure of a cartridge can be confirmed by performing the following steps which will

help rule out other variables which could also be causing the issue.

A. Ensure BOTH carriage/flex cables and BOTH ink cartridge contacts are thoroughly clean before

proceeding: http://inkjet411.com/?page_id=1519

B. Validate the cartridge’s electrical health by running the ‘Tap 41’ diagnostics test (refer to 2

video at the following link so you understand how to analyze the test print):

http://inkjet411.com/?page_id=1476

1. Turn printer Power ON; wait 15 seconds for printer to fully energize.

2. PRESS AND HOLD the Power Button

3. Press the Cancel (X) button 4 times

4. Press the Scan button once

5. Release the Power button. The ‘Tap 41’ test report should print within 30 seconds.

B. Validate the cartridge’s electrical health by running the ‘Tap 41’ diagnostics test (refer to 2nd

video at the following link so you understand how to analyze the test print - though you will use

steps 1 thru 6 below to activate the test report): http://inkjet411.com/?page_id=1476

NOTE: HP Deskjet 3510/3520 & Officejet 4630/4635 Printer Series - need to validate service

menu access…

1. Using two fingers, gently tap the 'Return' and 'Home' keys on touchscreen until the

‘Support’ Menu is displayed (for example, press the button 3-4 times each in

alternating succession).

2. At ‘Support’ menu, select the upper right button until the ‘Reports Menu’ is visible. Select OK.

3. Press upper right button until ‘print mech button tap’ menu is displayed.

4. Press OK, the ‘code = 0’ menu should be displayed.

5. Use arrows keys to change value to 'code = 41' (i.e. press and hold right arrow key). When 'code

= 41', select 'OK'.

NOTE 1: The Tap 10 self-test print may also be initiated via 'code = 10'

6. The diagnostic ‘tap 41’ test pattern will print.

[HP Deskjet 1000 Series Only:]

B. Validate the cartridge’s electrical health by running the ‘Tap 41’ diagnostics test (refer to video

so you understand how to analyze the test print): http://inkjet411.com/?page_id=1476

1. PRESS AND HOLD the Power Button

2. Open and close the 'Cartridge Access' door four (4) times.

3. Release the Power button. The ‘Tap 41’ test report should print within 30 seconds.

C. Perform ‘Tap 10’ Internal Self Test: [HP Deskjet 2000-3050]