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                  1. Support
                  2. Printer description
                  3. LCD menu (MK4/S, MK3.9/S)
                   

                  Contents

                  • Menu structure during printing
                  • Menu structure when idle

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                  LCD menu

                  (MK4/S, MK3.9/S)

                  Relevant for

                  MK4
                  MK3.9
                  MK4S
                  MK3.9S
                  10 comments
                  Article is also available in following languages
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                  The Original Prusa MK4 and MK3.9 are equipped with a color LCD screen that, among other things, supports G-code thumbnails and QR codes.

                  The footer of the main screen can be edited to show the features you wish to be shown on the main page.

                  Make sure to always have the latest firmware.

                  Menu structure during printing

                  • Tune
                      • Change Filament
                      • Cancel Object
                          • Cancel Current
                      • Print Speed
                      • Nozzle Temperature
                      • Heatbed Temperature
                      • Print Fan Speed
                      • Flow Factor
                      • Stuck Filament Detection
                      • Stealth Mode
                      • Sound Mode
                      • Input Shaper
                          • Calibration
                          • X-axis filter
                          • X-axis frequency
                          • Y-axis filter
                          • Y-axis frequency
                          • Restore defaults
                      • Fan Check
                      • Verify Gcode
                      • Cutter (Only Available when MMU is installed)
                      • User Interface
                          • Footer
                              • Item 1 [None/Nozzle/Bed/Filament/FSensor/Speed/X/Y/Z/Z Height/Print fan/Heatbreak fan/Heatbreak/Finda/Nozzle diameter/Nozzle PMW]
                              • Item 2
                              • Item 3
                              • Item 4
                              • Item 5
                              • Reset
                          • Sort Files [Time/Name]
                          • Print Progress Screen [OFF, 30 s - 200 s]
                          • Menu Timeout
                          • Sound Mode [Loud/Silent/Assist/Once]
                          • For filament change, preheat [Nozzle/Noz&Bed]
                          • RGB Status Bar
                          • Touch
                          • Touch Sig workaround
                      • Network
                          • Active Interface [Eth/Wi-fi]
                          • Network status
                              • Wi-fi status
                              • IPv4 Address
                              • IPv4 Gateway
                              • MAC Address
                              • Hostname
                              • DNS Server
                              • Connect Host
                              • Connect IP
                              • Ping | Loss
                                • Connect
                                • Gateway
                                • DNS server
                          • Wi-Fi
                              • Wi-Fi status
                              • SSID
                              • Wi-Fi Wizard
                              • Protocol
                              • LAN
                              • IPv4 Address
                              • IPv4 Netmask
                              • IPv4 Gateway
                              • Hostname
                              • MAC Address
                          • Ethernet
                              • Protocol
                              • LAN
                              • IPv4 Address
                              • IPv4 Netmask
                              • IPv4 Gateway
                              • Hostname
                              • MAC Address
                          • Prusa Connect
                              • Enabled
                              • Status
                              • Error
                              • Hostname
                              • Add printer to Connect
                              • Load Settings
                          • Prusa Link
                              • Enabled
                              • User
                              • Password
                              • IPv4 address
                              • Hostname
                              • Generate Password
                          • Metrics & Log
                              • What is this?
                              • Allow
                              • Enable Stored on Startup
                              • Stored configuration
                                • Host
                                • Metrics port
                                • Log Port
                              • Current configuration
                                • Metrics Host
                                • Metrics Port
                                • Log Host
                                • Log Port
                      • Time Zone Hour Offset
                      • Time Zone Minute Offset
                      • Time Zone Summertime
                      • Info
                      • Message History
                  • Pause
                  • Stop

                  Menu structure when idle

                  • Print
                  • Preheat
                      • PLA
                      • PETG
                      • ASA
                      • PC
                      • PVB
                      • ABS
                      • HIPS
                      • PP
                      • FLEX
                      • PA
                      • Custom
                          • Name
                          • Nozzle temperature
                          • Nozzle Preheat Temperature
                          • Bed Temperature
                          • Is Abrasive
                          • Requires Filtration
                          • Confirm
                      • Show All
                      • Cooldown
                  • Filament
                      • Load filament
                      • Unload filament
                      • Change filament
                      • Purge filament
                      • Manage Filaments
                          • Loaded filament
                              • Name
                              • Visible
                              • Nozzle Temperature
                              • Nozzle Preheat Temperature
                              • Bed Temperature
                              • Is Abrasive
                              • Requires Filtration
                          • Edit Filaments
                          • Reorder Filaments
                          • Enable Filaments
                      • Preload to MMU (Only Available when MMU is installed)
                          • Preload All
                          • Preload Filament 1
                          • Preload Filament 2
                          • Preload Filament 3
                          • Preload Filament 4
                          • Preload Filament 5
                      • Preload to MMU Advanced (Only Available when MMU is installed)
                          • Filament 1 [PLA/PETG/ASA/PC/PVB/ABS/HIPS/PP/PA/FLEX]
                          • Filament 2 [PLA/PETG/ASA/PC/PVB/ABS/HIPS/PP/PA/FLEX]
                          • Filament 3 [PLA/PETG/ASA/PC/PVB/ABS/HIPS/PP/PA/FLEX]
                          • Filament 4 [PLA/PETG/ASA/PC/PVB/ABS/HIPS/PP/PA/FLEX]
                          • Filament 5 [PLA/PETG/ASA/PC/PVB/ABS/HIPS/PP/PA/FLEX]
                          • Carry Out the Changes
                      • Load to Nozzle (Only Available when MMU is installed)
                          • Load Filament 1
                          • Load Filament 2
                          • Load Filament 3
                          • Load Filament 4
                          • Load Filament 5
                      • Unload Filament (Only Available when MMU is installed)
                          • PLA
                          • PETG
                          • ASA
                          • PC
                          • PVB
                          • ABS
                          • HIPS
                          • PP
                          • FLEX
                          • PA
                      • Eject From MMU (Only Available when MMU is installed)
                          •  Eject From MMU 1
                          • Eject From MMU 2
                          • Eject From MMU 3
                          • Eject From MMU 4
                          • Eject From MMU 5
                      • Cut Filament (Only Available when MMU is installed)
                          • Cut Filament 1
                          • Cut Filament 2
                          • Cut Filament 3
                          • Cut Filament 4
                          • Cut Filament 5
                      • Manage Filaments (Only Available when MMU is installed)
                  • Control
                      • Move axis
                          • Move X
                          • Move Y
                          • Move Z
                          • Move E
                          • Cooldown
                      •  Temperature
                          • Heatbed temperature
                          • Nozzle temperature
                          • Print Fan speed
                          • Cooldown
                      • Auto home
                      • Set ready
                      • Disable Motors
                      • Cold pull
                      • Loading Test (Only Available when MMU is installed)
                          • Test Filament 1
                          • Test Filament 2
                          • Test Filament 3
                          • Test Filament 4
                          • Test Filament 5
                      • Calibrations & tests
                          • 1. Fan test
                          • 2. XY axis test
                          • 3. Z alignment calibration
                          • 4. Loadcell test
                          • 5. Z axis test
                          • 6. Heater test
                          • 7. Gears Calibration
                          • 8. Filament sensor calibration
                  • Settings
                      • Filament Sensor
                      • Stuck filament detection
                      • MMU unit
                      • Cutter (Only Available when MMU is installed)
                      • Stealth Mode
                      • Fan check
                      • Verify GCode
                      • Input shaper
                          • Calibration
                          • X-axis filter
                          • X-axis frequency
                          • Y-axis filter
                          • Y-axis frequency
                          • Restore defaults
                      • User Interface
                          • Footer
                              • Item 1 [None/Nozzle/Bed/Filament/FSensor/Speed/X/Y/Z/Z Height/Print fan/Heatbreak fan/Heatbreak/Finda/Nozzle diameter/Nozzle PMW]
                              • Item 2 [None/Nozzle/Bed/Filament/FSensor/Speed/X/Y/Z/Z Height/Print fan/Heatbreak fan/Heatbreak/Finda/Nozzle diameter/Nozzle PMW]
                              • Item 3 [None/Nozzle/Bed/Filament/FSensor/Speed/X/Y/Z/Z Height/Print fan/Heatbreak fan/Heatbreak/Finda/Nozzle diameter/Nozzle PMW]
                              • Item 4 [None/Nozzle/Bed/Filament/FSensor/Speed/X/Y/Z/Z Height/Print fan/Heatbreak fan/Heatbreak/Finda/Nozzle diameter/Nozzle PMW]
                              • Item 5 [None/Nozzle/Bed/Filament/FSensor/Speed/X/Y/Z/Z Height/Print fan/Heatbreak fan/Heatbreak/Finda/Nozzle diameter/Nozzle PMW]
                              • Reset
                          • Sort Files [Time/Name]
                          • Print Progress Screen [OFF, 30 s - 200 s]
                          • Menu Timeout
                          • Sound Mode [Loud/Silent/Assist/Once]
                          • For filament change, preheat [Nozzle/Noz&Bed]
                          • RGB Status Bar
                          • Touch
                          • Touch Sig workaround
                      • Language and Time
                          • Language
                              • English
                              • Čeština
                              • Deutsch
                              • Español
                              • Français
                              • Italiano
                              • Polski
                              • ニホンゴ
                          • Time Zone Hour Offset
                          • Time Zone Minute Offset
                          • Time Zone Summertime
                          • Time Format [24h/12h]
                      • Network
                          • Active Interface [Eth/Wi-fi]
                          • Network status
                              • Wi-fi status
                              • IPv4 Address
                              • IPv4 Gateway
                              • MAC Address
                              • Hostname
                              • DNS Server
                              • Connect Host
                              • Connect IP
                              • Ping | Loss
                                • Connect
                                • Gateway
                                • DNS server
                          • Wi-Fi
                              • Wi-Fi status
                              • SSID
                              • Wi-Fi Wizard
                              • Protocol
                              • LAN
                              • IPv4 Address
                              • IPv4 Netmask
                              • IPv4 Gateway
                              • Hostname
                              • MAC Address
                          • Ethernet
                              • Protocol
                              • LAN
                              • IPv4 Address
                              • IPv4 Netmask
                              • IPv4 Gateway
                              • Hostname
                              • MAC Address
                          • Prusa Connect
                              • Enabled
                              • Status
                              • Error
                              • Hostname
                              • Add printer to Connect
                              • Load Settings
                          • Prusa Link
                              • Enabled
                              • User
                              • Password
                              • IPv4 address
                              • Hostname
                              • Generate Password
                          • Metrics & Log
                              • What is this?
                              • Allow
                              • Enable Stored on Startup
                              • Stored configuration
                                • Host
                                • Metrics port
                                • Log Port
                              • Current configuration
                                • Metrics Host
                                • Metrics Port
                                • Log Host
                                • Log Port
                      • Hardware
                          • Printer Type [MK4/MK4S/MK3.9/MK3.9S]
                          • Printhead
                              • Nozzle Diameter
                              • Nozzle Hardened
                              • Nozzle High-flow
                              • Nextruder Silicone Sock
                              • Nextruder
                              • Calibrate Filament sensor
                          • G-code checks
                              • Nozzle Diameter [Warn/Strict/None]
                              • Printer Model [Warn/Strict/None]
                              • Firmware Version [Warn/Strict/None]
                              • Fan Compatibility [Warn/Strict/None]
                              • MK3 Compatibility [Warn/Strict/None]
                              • G-code Level [Warn/Strict/None]
                          • Display Refresh Speed [High/Low]
                      • FW update
                      • System
                          • Save Crash Dump
                          • Save Logs to File
                          • Device Hash in QR
                          • Load Settings from File
                          • Factory Reset
                              • Reset Settings & Calibrations
                              • Hard Reset (USB with FW needed)
                              • Shipping Preparation
                  • Info
                      • Network Status
                          • Wi-Fi Status
                          • IPv4 Address
                          • IPv4 Gateway
                          • MAC Address
                          • Hostname
                          • DNS Server
                          • Connect Host 
                          • Connect IP
                          • Ping | Loss
                            • Connect
                            • Gateway
                            • DNS Server
                      • Sensor Info
                          • Heatbreak Temp
                          • Board Temperature
                          • Bed Temperature
                          • MCU temperature
                          • Nozzle Temperature
                          • Loadcell Value
                          • Filament Sensor
                          • FINDA (Only Available when MMU is installed)
                          • Print Fan
                          • Heatbreak Fan
                          • Heater Voltage
                          • Input Voltage
                          • Heater Current
                          • Input Current
                          • MMU current
                      • Version Info
                          • Firmware Version
                          • Bootloader version
                          • MMU Version (Only Available when MMU is installed)
                          • Buddy Board
                          • Serial Number
                          • LoveBoard
                          • xLCD
                      • Print Statistics
                          • Fail Stats
                              • Power failures
                          • Statistics
                              • X Axis
                              • Y Axis
                              • Z Axis
                              • Filament
                              • MMU filament loads
                              • Print Time
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                  Topics

                  • About your printer
                    • Printer description
                      • xBuddy and LoveBoard electronics wiring (MK4/S, MK3.9/S)
                      • LCD menu (MK4/S, MK3.9/S)
                      • xBuddy status LEDs (MK4, MK3.9)
                      • Accessory connectors (MK4)
                    • Printer features
                    • General Information

                  7 comments

                  Log in  to post a comment
                  Don Anvar
                  •
                  Hello,

                  I would appreciate a description of what some of the items do or their purpose. I'm trying to troubleshoot a few things, and it's difficult when I don't know what many of the menu items really do. Here are a few things that I don't understand, and I don't know if they are a part of my problems or not.

                  Preload to MMU Advanced (Only Available when MMU is installed)
                  Manage Filaments (Only Available when MMU is installed)
                  Cutter
                  Reply
                  Don Anvar
                  •
                  Also, maybe add some troubleshooting tips. If the Manage filaments options are greyed out, how to fix.
                  Reply
                  vorrac
                  •
                  What does cutter means? I think it is a basic function that supposed to be enabled when MMU is present right?
                  Reply
                  Dave
                  •
                  My prusa mk4s isnt enabling touch
                  Reply
                  mortenlund
                  •
                  @Marino, yes it would be nice with a little more info for each subject.
                  Reply
                  Jan Kratochvíl
                  •

                  Hello.

                  RGB status bar: https://help.prusa3d.com/article/status-led-explained-mk4-xl_418975

                  Input shaper: https://help.prusa3d.com/article/input-shaper-mk4-xl-mini-_451816

                  Touch Sig workaround: https://help.prusa3d.com/article/touch-screen-mk4-mk3-9-mk3-5-xl_689554

                  As for 'Set Ready'... this function allows you to upload multiple print jobs to the printer via Connect. After you finish the first print and prepare your printer for another job, you just click 'Set Ready,' and it automatically starts the next print job.

                  Reply
                  Marino
                  •
                  Some of the items of the menu are clear, titles are self explaining, but for many others I need further explanations.
                  As an example RGB Status Bar, Set ready, Input shaper, Touch Sig workaround.
                  Is there any site with the information I need?
                  Reply