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Robert M.
Robert M., Consultant
Category: Printers
Satisfied Customers: 9045
Experience:  30+ yrs. experience in NYC computer industry working with PC and networks, banks, brokerage, legal etc.
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My 4622 office jet suddenly stopped printing black
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Customer Question

Customer: my 4622 office jet suddenly stopped printing black
JA: Thanks. Can you give me any more details about your issue?
Customer: New HP cartridges and prints color but not black
JA: OK got it. Last thing — JustAnswer charges a fee (generally around $18) to post your type of question to Printers Experts (you only pay if satisfied). There are a couple customers ahead of you. Are you willing to wait a bit?
Customer: ok
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Submitted: 1 year ago.
Category: Printers
Expert:  Robert M. replied 1 year ago.

first please take out the black cartridge and make sure that you removed the tape that keeps it from spilling during shipping

then do a couple of the automatic self cleanings

they are on the printer menu on the printer itself

under either ink or maintenance or setup or tools

that will prime the cartridge and attempt to clear any clog in the print head

Customer: replied 1 year ago.
Still no black print......What could have happened? We have not changed any parameters.... Colors print fine just the black is not working......
Expert:  Robert M. replied 1 year ago.

the most likely things would be a defective cartridge and those happen more than you might think even from the manufacturer

or a clogged print head.

please try the steps on this page there are a whole bunch of them

http://support.hp.com/us-en/document/c03137135

Customer: replied 1 year ago.
Still did not work. Bought a brand new printer 4630 and took off all software for 4622. The new printer printes color perfectly but NOT Black again. Please help me!!!!!
Expert:  Robert M. replied 1 year ago.

there is something going on than in your computer maybe

have you tried printing from different programs?

did you use the new ink cartridges or try to use the same ones from the old printer ?