Ink Cartridge Refill Help Center

HP 901 Extended Self Test

To verify HP OfficeJet J4500, J4600 and 4500 general printer and ink cartridge print quality performance conduct an extended self test (‘Tap 41’):

1) Press the ‘Cancel’ and ‘OK’ buttons at the same time and release. The diagnostic pattern will print.

2) Evaluate color stair-step patterns.

Extended Self-Test (Tap 10):




Advanced Diagnostics

To view advanced diagnostics tests for your printer, click here:

HP Printer Diagnostics




Troubleshooting by Printer Model: 


Purchase Refilled Cartridges On-Line

If none of our retail ink refill centers are convenient for you and you would like to try a refilled, remanufactured HP 901 & 901XL ink cartridge from our on-line web site, INKPLICITY, our ink cartridges have a high reliability rating, come with a 1-year warranty and provide free shipping for all orders above $30 (USA residents only).  BONUS – you can save an extra 15% by entering code ‘SAVE15’ into the coupon/code field during cart checkout:



HP 901 & 901XL refilled/remanufactured Ink Cartridges (made in the USA!) are also available directly via Amazon:

HP 901 Black (K) 
HP 901 Color (C) 
HP 901 Black 2-Pack (KK) 
HP 901 Black/Color 2-Pack (KC) 
HP 901 Black/Color 3-Pack (KKC) 
HP 901XL Black (K) 
HP 901XL Black 2-Pack (KK) 
HP 901 Black 3-Pack (KKK) 
HP 901XL Black 3-Pack (KKK) 
HP 901 Color 2-Pack (CC) 








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