我们在我的办公室有一台 Lulzbot Mini（即它不是我的个人打印机）。它连接到 OctoPi，我只能打印一个文件（由于调平问题我不得不取消）。其他人过去曾成功地使用过它。

然而，现在，每次我尝试通过 OctoPrint 连接到它时，我都会得到胡言乱语：

Connecting to: /dev/ttyACM0
Changing monitoring state from "Offline" to "Opening serial port"
Connected to: Serial<id=0x6f830510, open=True>(port='/dev/ttyACM0', baudrate=115200, bytesize=8, parity='N', stopbits=1, timeout=10.0, xonxoff=False, rtscts=False, dsrdtr=False), starting monitor
Changing monitoring state from "Opening serial port" to "Connecting"
Send: N0 M110 N0*125
Send: N0 M110 N0*125
Recv: �Np|\x04n6H\x15\x06'
Recv: \x10ONv�HO
Recv: J%�i�h�ON,=\x0c\x14\x07�|i�Mx86B~1~\x04g\x1a\x1e�HO
Recv: J%P|H~\x03�^�-\x08n6�M�w��K�'
Recv: \x08�^�;V7JO\x1e\x0b�\x08\�H^�Kqp|\x08\x13\x08H\x08\x04P|"]+X{\x16�\x08nl�P<\x08\x14\x08]�x�
Recv: �J�X�\x1a�H3H6F�J�J%�J/H\x08^�I\x08ZY\x08\x07:&h\x0f^\x17�}�$p|\x08\x14
Recv: ^HJ�J�\x08�J\x1b�*':f\x18�k\x1e>H]�Zf�J�Z�J�%\x08^\x08W�X�\x1a�\x0b\x1e\x1eH]�Z�Kq?N!KP�.N!Kka�.a\x0b'
Recv: �J�J�JH�I�JHJP|@_a\x13�\x16�/m\x7f\x1fy�\x16=�6\x1b�VO6�=�6\x1b�f>�K7f\x7f�K{f>�K\x1bf��+'J�z�J\x08@�\x08�J%�\x18%�(�J\x17�
Recv: \x07
Recv: �M!
Recv: gJ�j�I�j\x08N�x�\x1a\x7fB
�\x0b]F�J�J�x�
Recv: V
Recv: o\x16�F�J�Z�j\x0c.�\x08%�\x05\x07J�j�5�\x18HJ�J�X�*�\F]{L$P<\x08�\x08~5Ip|\x04}&@\x1faF�J�J�If�\x1a33l\x7f�N\x0bYp|\x088
No answer from the printer within the connection timeout, trying another hello
Send: N0 M110 N0*125
There was a timeout while trying to connect to the printer
Changing monitoring state from "Connecting" to "Offline"
Connection closed, closing down monitor

我现在唯一能想到的就是刷新固件，但在我这样做之前，我想我会在这里问。有谁知道这是什么胡言乱语，以及如何将这台打印机恢复到正常运行状态？