10. 1000 Supply Error - HP Laserjet 3390 (4812 Views)
07-23-2008 08:16 AM
This means the toner chip is damaged or missing or can't be read from the printer. If you have changed the toner recently, or have a third party toner in it. You need to replace the toner and if the error is still there then you know it is the reader failing.