Question about HP PSC 750 All-In-One InkJet Printer
This might probably the solution for a known problem on HP PSC750. I got the same problem as many other users : this message keeps coming whatever cartrigde you are replacing, altough in accordance the instructions. You might clean and clean again a dozen cartriges, the message keeps coming. THIS PROBLEM IS sticky almost at every occasion I changed a cartidge) Following solution works probably for all PSC750 units having same problem: (my notes are only assumptions, not verified technically) : 1. Power on the PSC750 2. Open lid and remove the color cartridge 3. Remove all cables 4. Most important : now be patient and WAIT ENOUGH TIME to allow printer to loose memory contents. Don't reconnect the cables Make a nice pot coffee and take your time. Ususally we make the false assumption that a full reset is made just by unplugging and replug the power cable. But this quick reset does not allow enough time for memory to clear. How much time is required remains an open question. But the longer you wait, the better chances are to get rid of this stupid annoying message. 5. Close the lid and reconnect power cable (USB cable also or maybe better ...eventually later on) 6. Powerup PSC750 and wait for inititializating to complete 7. You will get (at last) the NORMAL message that asks for a color cartrigde (since there is none) 8. Put a color cartridge into printer in the usal way. Even with the last cartridge that you tried to use on your previous attempt (being considered as to be checked), the PSC750 will now accept it. 9. Terminate as usual with printing the alignment page and head alignment. Hope this helps
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