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I have an HP 7640 envy. Purchased new cartridges, tri colour…

Customer Question
I have an HP...

I have an HP 7640 envy. Purchased new cartridges, tri colour is fine keeps saying black is empty. Returned one set of cartridges, another new set is the same

Technician's Assistant: Can you guesstimate how old your HP is? And just to clarify, what's the exact model?

HP Envy 7640 And it is 3 year old. Do you need the serial number

Technician's Assistant: How long has this been going on? What troubleshooting have you tried?

3 hours, have tried turned off power, new HP cartridges, tri color is fine, black says failure

Technician's Assistant: Anything else you want the Electronics Expert to know before I connect you?

No connect please

Submitted: 5 months ago.Category: Printers
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Answered in 1 hour by:
11/17/2017
Technician: Karthik, Engineer replied 5 months ago
Karthik
Karthik, Engineer
Category: Printers
Satisfied Customers: 431
Experience: Senior Engineer at CSS Corp
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