Your printer's firmware is a development build of Marlin (build date
20211105). It might be more unstable than a release version and should be
kept up-to-date.

Learn more at https://faq.octoprint.org/warning-firmware-development
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Recv: Cap:SERIAL_XON_XOFF:0
Recv: Cap:BINARY_FILE_TRANSFER:0
Recv: Cap:EEPROM:1
Recv: Cap:VOLUMETRIC:1
Recv: Cap:AUTOREPORT_POS:0
Recv: Cap:AUTOREPORT_TEMP:1
Recv: Cap:PROGRESS:0
Recv: Cap:PRINT_JOB:1
Recv: Cap:AUTOLEVEL:1
Recv: Cap:RUNOUT:1
Recv: Cap:Z_PROBE:1
Recv: Cap:LEVELING_DATA:1
Recv: Cap:BUILD_PERCENT:1
Recv: Cap:SOFTWARE_POWER:0
Recv: Cap:TOGGLE_LIGHTS:0
Recv: Cap:CASE_LIGHT_BRIGHTNESS:0
Recv: Cap:EMERGENCY_PARSER:1
Recv: Cap:HOST_ACTION_COMMANDS:1
Recv: Cap:PROMPT_SUPPORT:1
Recv: Cap:SDCARD:1
Recv: Cap:REPEAT:0
Recv: Cap:SD_WRITE:1
Recv: Cap:AUTOREPORT_SD_STATUS:0
Recv: Cap:LONG_FILENAME:1
Recv: Cap:THERMAL_PROTECTION:1
Recv: Cap:MOTION_MODES:0
Recv: Cap:ARCS:1
Recv: Cap:BABYSTEPPING:1
Recv: Cap:CHAMBER_TEMPERATURE:0
Recv: Cap:COOLER_TEMPERATURE:0
Recv: Cap:MEATPACK:1
Recv: ok
Send: M21
Recv: echo:SD card ok
Recv: ok
Send: M155 S2
Recv: ok
Send: M876 P1
Recv: ok
Send: M20
Recv: Begin file list
Recv: End file list
Recv: ok
Recv:  T:23.75 /0.00 B:24.36 /0.00 @:0 B@:0
Recv:  T:23.81 /0.00 B:24.36 /0.00 @:0 B@:0
Recv:  T:23.79 /0.00 B:24.34 /0.00 @:0 B@:0
Recv:  T:23.85 /0.00 B:24.34 /0.00 @:0 B@:0
Recv:  T:23.85 /0.00 B:24.36 /0.00 @:0 B@:0
Connection closed, closing down monitor
Changing monitoring state from "Operational" to "Offline"
Changing monitoring state from "Offline" to "Opening serial connection"
Connecting to port /dev/ttyUSB1, baudrate 115200
Changing monitoring state from "Opening serial connection" to "Connecting"
Connected to: Serial<id=0xa8962bd0, open=True>(port='/dev/ttyUSB1', baudrate=115200, bytesize=8, parity='N', stopbits=1, timeout=10.0, xonxoff=False, rtscts=False, dsrdtr=False), starting monitor
Recv:  T:23.79 /0.00 B:24.34 /0.00 @:0 B@:0
Recv:  T:23.77 /0.00 B:24.39 /0.00 @:0 B@:0
Recv:  T:23.79 /0.00 B:24.34 /0.00 @:0 B@:0
Recv:  T:23.79 /0.00 B:24.36 /0.00 @:0 B@:0