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Procedures

Step-by-step operations for the G1 pellet printer.

First boot and setup

Section titled “First boot and setup”
  • First boot checklist — physical setup, WiFi, bed leveling, Z offset, Rotation Volume
  • G1OS installation — flash G1OS onto the Raspberry Pi SD card, and the ordered list of what to do once it boots
  • Initialize the printer — give the machine its serial number so it can fetch its own configuration. Always needed after flashing the card; also the migration path for machines that predate the Configurator

Daily operation

Section titled “Daily operation”

  • Running a print — the whole sequence for an ordinary print, and what to check on the first layers

  • Loading pellets — how to fill the hopper, mixing recycled material, pre-checks

  • Removing the print — wait for room temperature, and what to do when it will not come off

  • Material change and purge — when to purge, light vs full purge, color change

  • Starting the dryer — temperature settings, loading pellets, what to do if it doesn’t start

  • Firmware restart — reload Klipper config without rebooting the Pi; also via console (FIRMWARE_RESTART)

Calibration

Section titled “Calibration”

Maintenance

Section titled “Maintenance”

  • What to check, and when — the whole picture: what is genuinely routine, what waits for a symptom, and what never needs doing

  • Hopper cleaning — remove dust/fines/color residue, clean sensor, when to do it

  • Nozzle replacement — CHANGE_NOZZLE macro, PTFE tape (3 wraps), sizes 1/1.8/3/5/8 mm

  • Lubricating linear rails — when and how to oil rail carriages to prevent friction and layer shifts

  • Transporting the G1 — disassembly order, packing, what to recalibrate after reassembly (~1 hour)

Repairs

Section titled “Repairs”

Slicer & software

Section titled “Slicer & software”
Section titled “Related”