Technical information

HP 61s

HP Deskjet 1000-3056 Printer Models -- HP 61 Ink Cartridges Tap 41 Diagnostic Test

http://www.youtube.com/watch?v=tMZkqE36ifk

HP 61-61XL Ink Cartridge Diagnostics -- HP Deskjet 1000-3056 Printer Models

http://www.youtube.com/watch?v=Dbmf5af1Ass

HP 74-75s

HP 74/75 (74XL/75XL) Ink Refill & Cartridge Care Tips – Everything You Need To Know

*Same audio track as HP 901 refill video

http://www.youtube.com/watch?v=UxSQ3rErcUc

HP 74/75 (74XL/75XL) Cartridges - Solving Errors & Warnings: http://www.youtube.com/watch?v=C5ISTGyScWU

Low Ink Warning and Other Alerts -HP 74 & 75 Cartridges: http://www.youtube.com/watch?v=KEkCP2jCUVc

HP Photosmart 4200-4500 5200-5500 Printer Bypass / Clear Instructions:

http://www.youtube.com/watch?v=UDxRkAGOJaI

HP Photosmart C4200-C4500 and C5200-C5500 Printers - Diagnostic Tap 41 Test:

http://www.youtube.com/watch?v=8fE-IM4AVMc

Ink Refilling & Cartridge Care Tips – Everything you need to know:

http://www.youtube.com/watch?v=FnXoDIblpdU

HP Officejet J5700/J6400 Cartridge Error Bypass - HP 74-75 Cartridges:

http://www.youtube.com/watch?v=3X3_D90SSq4

HP Officejet J5700/J6400 Printers -Tap 41 Diagnostics (HP 74-75):

http://www.youtube.com/watch?v=Z42IzVR2tp0

HP 92-98

HP 93-97 Ink Cartridge Errors & Diagnostics - HP Deskjet 6800-6900 Printers

http://www.youtube.com/watch?v=P2Fzit2nZyA

HP 92-99 Ink Refilling & Cartridge Care Tips – Everything you need to know:

*Same audio track as HP 901 refill video

http://www.youtube.com/watch?v=TrPSf9P8L1o

HP 92-99 Ink Cartridge Refills-- Solving Error Messages & Warnings: (Primary)

http://www.youtube.com/watch?v=OdjQxAQek_4