When having to press a reset button, the timing can be tricky and frustrating, especially on Windows systems. Refer to the documentation you received with the printer. For most other printers, there may be one and you may need to press it. For the Replicator 2 and 2X, there is no mechanical reset button and thus no need to press one. Depending upon the type of printer you have, you will next be instructed either to simply click “Upload”, or to press your printer’s mechanical reset button while simultaneously clicking the “Upload” button on your computer screen. Then select the USB port to which your printer is connected. Once you have selected the firmware version, click the “Next” button. Remember that you can use any slicer with Sailfish this is just a recommendation of the revision to use if you wish to use ReplicatorG to manipulate firmware parameters stored on the printer via the “Onboard Parameters” screen of ReplicatorG. Typically this includes the recommended revision of ReplicatorG. Also, when you click on a given version, any specific requirements for that version will be listed on the right hand side. Only select a “b” version if you know that you need to. Note that any versions ending in the letter “b” are for printers with broken SD card hardware.

Unless you have cause to do otherwise, select the most recent version - the highest numbered one. You should then see different firmware versions listed. After selecting the printer type, click the “Next” button. From ReplicatorG select the “Upload New Firmware” submenu of the “Machine” menu. Again, do not actually connect from ReplicatorG to the printer: the firmware upload process itself will perform that step itself and will fail if ReplicatorG is already connected. You cannot proceed until your printer’s serial port appears. If it does not appear, then select the “Rescan serial ports” item of said sub-menu. Make sure that you see the USB port for your printer listed. Check the “Connection (Serial Port)” submenu of ReplicatorG’s “Machine” menu.

Next, power your printer on - but do not connect from ReplicatorG to the printer. Connect your printer’s USB cable to both the printer and the computer from which you will be performing the upgrade.

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