Prusa Research i3 MK2.5S Multi Material Upgrade 2S, Руководство пользователя

Страница: 45 / 46

13.11 Can not update the MMU2S firmware
1. Make sure, that you have the last version of Slic3r PE.
https://www.prusa3d.com/drivers/
2. Make sure you have a MMU2S board connected to your computer and not a printer
board. There are two different boards. For a detailed procedure, see the chapter ​ 4
Flashing the firmware ​ .
3. Check the device manager and see whether the unit has been correctly recognized
and has a COM port assigned. If the driver has not been automatically installed
during the Drivers & Apps package installation, install the driver manually from
C:\Program Files\Prusa3D\Rambo (default path).
4. Make sure your microUSB cable is working and it is not damaged.
13.12 Crash detection
When the printer encounters a crash during printing (nozzle hits the printed object), the
printer will pause the print and ask the user to confirm whether it’s safe to continue printing.
If the user chooses no, the print is completely stopped. The filament will remain loaded in the
extruder. To unload the filament from the extruder, preheat the nozzle first and then select
Unload filament in the printer’s LCD menu.
13.13 MMU2S factory reset
MMU2S unit can be reset into default factory values. Factory reset procedure will primary
delete the filament length calibration values. This can be done in the service menu.
Firmware version will not be changed by factory reset.
How to enter the service menu:
1. Turn the printer on and wait for initialization sequence.
2. Press and hold the middle button on the MMU2S, and press the printer restart
button at the same time. Wait until LED 1 (green and red) and LED 5 (red)
light up.
3. Using the left/right button select LED 2 (red LED is on).
4. Press the middle button (this will unlock the EEPROM erase function). There
is no visual indication.
5. Using the left/right button select LED 3 (red LED is on).
6. Press the middle button (this will erase the EEPROM).
7. Wait until the board erases its memory and restarts itself. All LEDs will flash
once, then the first LED will turn green. The board is now erased and ready.
44