Question about HP LaserJet 2420 Printer
Sounds like you have installed a rebuilt/remanufactured cartridge that is missing the chip on the nose of the cartridge. Check the front of the cartridge for a small green peice that looks like a computer board. I am assuminy the memory error your getting is a "10.10" or starts with a 10.
Hopr that helps you
Posted on Feb 19, 2009
Save hours of searching online or wasting money on unnecessary repairs by talking to a 6YA Expert who can help you resolve this issue over the phone in a minute or two.
Best thing about this new service is that you are never placed on hold and get to talk to real repairmen in the US.
Here's a link to this great service
Posted on Jan 02, 2017
Tips for a great answer:
Memory chip at TD sensor: Communication error
Retry of memory chip communication fails three times after the
machine has detected the memory chip communication error.
?? Damaged memory chip data
?? Disconnected inter face
?? No memory chip on the development unit
Replace the PCU.
Jan 06, 2016 | Ricoh Aficio SP C820DN Laser Printer
Nov 30, 2013 | Gigabyte Computers & Internet
Mar 31, 2013 | Sony Ericsson Satio Cell Phone
Nov 10, 2010 | Computers & Internet
Sep 20, 2010 | Computers & Internet
Sep 01, 2010 | Computers & Internet
Aug 06, 2010 | Sony Cyber-Shot DSC-F717 Digital Camera
Aug 04, 2008 | Cameras
Jul 18, 2008 | Lenovo ThinkPad T61 Notebook
157 people viewed this question
Usually answered in minutes!