Once the unit is ready to build, the display will show Idle (no part in the queue) or Ready to build followed by the part name. Once a part is started the appropriate liquefier will begin to heat. Once the liquefier and chamber reach the operating temperature (310C model, 300C support, 77 Chamber) the system will begin to build a part. Powering Down When the Power Switch is turned off the unit begins a controlled shut down. The software processes are stopped and the power to the liquefier and chamber heaters are turned off. The controller board continues to monitor the temperature of the liquefier and the fans will continue to run. During this time the display will show “Shutting down” .
The head blower fan continues to run to cool the liquefier down quickly to prevent back flow of material from the liquefier. If the material is not cooled down during power down the system may experience a loss of extrusion due to material build up at the liquefier. Once the liquefier temperature drops below 102 ° C the SBC changes the display to “Shut down” and turns off. Loading Material When the load material button is pressed with carriers installed the SBC will ask the controller board to unload the carriers requested by the operator. The most recent value for material remaining is written to the cartridge EPROM. The material is run in reverse to unload the liquefier.
When filament is clear of the filament sensor the controller board tells the SBC that the command is complete. The SBC sends “REMOVE CARRIER” to the display, the carriers are unlatched, and the unit waits for you to respond. If there are no carriers in the printer when the material button is pushed, or if an unload has just been completed, the SBC will ask the operator to “INSERT CARRIER”. The unit will look for a valid carrier EPROM. If there is no change to the EPROM status in 30 seconds, you are asked if you want to RETRY. Once valid carriers are read, the unit begins the material load sequence.
Building a Part How to start building a part build is dependent upon whether or not a part is in the printer queue: 1. If a part has not been sent to the printer for building (the build queue is empty): A. The panel displays Idle and Queue Empty . B. Wait for Part is blinking. Choose whether you want to start the build process from a ‘remote’ location or from the display panel at the printer. i. At Printer ‘Start Model’ - You send a part to the printer from your HP Designjet 3D Software Solution work station. You start the build of the part from the printer. -4