Ink faded - serial number rejected

[zxczxczxc]

I own an HP Deskjet 4120e. I have a subscription to HP ink services so I am using official ink.

All my pages come out extremely faded. Black is worst (it barely shows at all), but colour is also not great. 

I have tried all the various diagnostic steps in the HP app. To make matters worse there is an alignment issue with the printer. When performing the alignment fix the page gets printed so faded that the scanner can't detect the image to perform the realignment. I have tried doing a full reset of the printer etc. 

I am at the point of contacting HP support, but for some reason my perfectly valid serial number is not recognized. I get an error when typing it in online. The error states: "please enter a valid serial number". It is 100% valid, copied directly from the app. 

I am at my wits end trying to resolve this issue so I wanted to turn to the forum for any advice. Does anyone have a telephone number for HP so I can actually talk to someone about this? 

Thanks so much!

Dan 

[Dragon-Fur]

@zxczxczxc

Welcome to the HP Community Forum.

HP Support case submission uses the serial number to verify Warranty when a device is submitted for Warranty repair.

Instead, consider contacting Instant Ink Support for help.

Printer warranty is not used or necessary to get help for issues related to your Instant Ink subscription.

NOTE

If you have enabled HP+ Service on your printer,

You also have the option to Contact HP+ Service.

Contact information for HP+ has been included at the end of this message.

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 HP Instant Ink - Page Count Is Not the Same as Actual Pages Printed

 TKB article contributed by HP JessikaV

 Fixing Instant Ink cartridge errors

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Cancelled Instant Ink service and now I can't print  

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What is an HP Instant Ink Platinum subscription?

HP Instant Ink Platinum is a printer subscription program with an all-inclusive monthly payment. This payment includes the printer, 24/7 hardware support, next-business-day replacement warranty, and CarbonNeutral usage certification. The subscription also includes a new printer every two years.

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HP DeskJet 4120e All-in-One Printer 

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Dual-band Wi-Fi™: Wireless operations are compatible with 2.4 GHz and 5.0 GHz operations only. Learn more at HP Printers - Mobile Printing Solutions Compatible with HP Printers . Wi-Fi is a registered mark of Wi-Fi Alliance®. Supports both 5.0 GHz and 2.4 GHz using up to 112 non-overlapping channels v. only 3 non-overlapping channels for 2.4 GHz only. Supports 5.0 GHz band (up to 150 mbps) v. 2.4 GHz band (up to 72.2 mbps). Internet access must be purchased separately.

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