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How to change xLCD and xLCD cable (XL single-tool)

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How to change xLCD and xLCD cable (XL single-tool)

How to change xLCD and xLCD cable (XL single-tool)
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Last updated 7 days ago
How to change xLCD and xLCD cable (XL single-tool)
 Difficulty
Moderate
 Steps
26
 Available languages
ENCSPLDEESITFR
Introduction
Introduction
This guide will take you through the replacement of the xLCD on the Original Prusa XL (single-tool).
All necessary parts are available in our shop prusa3d.cz
Accessing the electronics
Accessing the electronics
Accessing the electronics
Accessing the electronics
Loosen two screws on the xl-rear-cable-management-plug slightly and push the cover to the side or remove them completely along with the cover to get better access.
Remove the two M3x5rT screws using a T10 screwdriver. Do so also on the other side.
Disconnecting the cables
Disconnecting the cables
Disconnecting the cables
Disconnecting the cables
Loosen (or remove) the four screws.
Remove the XL-buddy-box-cover.
Disconnect the extruder cable.
Remove the Rear-cable-management-upper electronics cover.
Gently disconnect the LCD cable.
Cut the two zip ties holding the cables and leave the xLCD cables hanging.
Removing the xLCD cables
Removing the xLCD cables
Removing the xLCD cables
Remove the plastic cable cover from the vertical extrusion and carefully pull out the xLCD cables.
Remove the M3x10 screw.
Remove the frame-rear-cover.
Removing the filament sensor and the spool holder
Removing the filament sensor and the spool holder
Removing the filament sensor and the spool holder
Follow this step only if the side where you intend to place the printer on has the spoolholder and the filament sensor already mounted.
Remove the M3x12rT screw by using a T10 screwdriver and remove the filament sensor (leave it hanging on its cable).
Loosen the M5x85 screw and remove the spool holder.
Place the printer on its side.
Make sure the filament sensor doesn't get crushed or its cable pinched while laying the printer.
Removing the xLCD cables II
Removing the xLCD cables II
Removing the xLCD cables II
Removing the xLCD cables II
While the printer is laying on its left side, remove the extrusion cover to further release the xLCD cables.
Remove the Z-motor-cable-bottom-cover.
Remove the 182mm extrusion cover.
Remove the xLCD-cable-bottom-cover.
Remove the extrusion cover 172 mm.
Remove the xLCD-cable-bottom-holder.
Continue carefully pulling out the xLCD cable while keeping the grounding cable and the right Z-axis motor cable inside the extrusion.
Disconnecting the xLCD cable
Disconnecting the xLCD cable
Disconnecting the xLCD cable
Disconnecting the xLCD cable
Disconnect the xLCD cable from the xLCD unit.
Gently pull the cable while slightly wiggling to disconnect them.
Remove the M3x16 screw in the right (now the top) xLCD support.
Remove the M3x16 screw in the left (now the bottom) xLCD support and remove the xLCD unit.
xLCD PEケーブルの取り外し
xLCD PEケーブルの取り外し
xLCD PEケーブルの取り外し
Disconnect the xLCD PE cable from the xLCD unit:
Version A: Take a closer look at the rear side of the xLCD assembly and locate the lower PE Faston on the xLCD board.
Version B: Take a closer look at the rear side of the xLCD assembly and locate the upper PE Faston on the xLCD board.
Gently pull the cable while slightly wiggling to disconnect them.
Removing the xLCD
Removing the xLCD
Removing the xLCD
Removing the xLCD
Remove the five M3x8 screws and take off the right plastic support.
Take off the left plastic support by turning it upwards in order to lift the xLCD out of its printed housing.
Remove the xLCD button's printed knob and carefully push onto the button while holding the plastic housing to separate the xLCD from its housing.
Remember the position of the PE faston, as it will be essential in following steps.
xLCD parts preparation
xLCD parts preparation
xLCD parts preparation
For the following steps, please prepare:
Left xLCD support (1x)
Right xLCD support (1x)
xLCD cover (1x)
M3x8 screw (5x)
M3x16 screw (2x)
xLCD unit (1x)
xLCD cable (1x)
The list continues in the next step...
xLCD parts preparation
xLCD parts preparation
xLCD parts preparation
Frame-rear-cover (1x)
xLCD-cable-bottom-cover (1x)
xLCD-cable-bottom-holder (1x)
Z-motor-cable-bottom-cover (1x)
Extrusion cover 172 mm (1x)
Extrusion cover 182 mm (1x)
Extrusion cover 243 mm (2x)
xLCD assembly
xLCD assembly
xLCD assembly
xLCD assembly
Insert the xLCD unit into the xLCD cover.
Notice a little latch on the left xLCD support. Insert this latch in between the xLCD unit and the xLCD cover.
Flip the left xLCD support onto the xLCD unit while keeping the latch in place.
Mount the right xLCD support and secure both xLCD supports with five M3x8 screws.
Attaching the xLCD
Attaching the xLCD
Attaching the xLCD
Attaching the xLCD
Locate the M3nEs nuts in the front base extrusion and place the xLCD assembly in front of it.
Insert the M3x16 screw into the right xLCD support.
Do not tighten the screws fully, a few turns are enough for now.
Use the 2.5mm Allen key to tighten the M3x16 screw into the M3nEs nut in the frame.
Insert the second M3x16 screw from the left side and tighten it, but not overtighten. We will adjust the correct position of the xLCD assembly later on.
Aligning the LCD
Aligning the LCD
Aligning the xLCD to the center is recommended or you can go slightly to the left side. Moving the xLCD to the right is not recommended as the cables won't be long enough.
Align the xLCD approximately to the center of the base.
Tighten the left M3x16 screw with the 2.5mm Allen key.
Tighten the right M3x16 screw with the 2.5mm Allen key.
xLCD assembly versions
xLCD assembly versions
xLCD assembly versions
Take a look at the xLCD. As there are two variants, it is necessary to mount the PE faston as it was before the xLCD disassembly, otherwise the already installed cables would need to be re-routed:
Version A: faston on the bottom right
Version B: faston on the top left
Connecting the xLCD PE cable
Connecting the xLCD PE cable
Connecting the xLCD PE cable
Take a closer look at the rear side of the xLCD assembly and locate the PE Faston on the xLCD board. Slide the PE cable connector all the way onto the PE Faston.
Version A
Version B
Connecting the xLCD cable
Connecting the xLCD cable
Connecting the xLCD cable
Connecting the xLCD cable
The xLCD cable connector has a locking latch that has to face the red triangle near the xLCD connector.
Connect the xLCD cable to the xLCD slot on the board.
Make sure, that cable is not twisted.
Routing the xLCD cable
Routing the xLCD cable
Routing the xLCD cable
Routing the xLCD cable
Make sure, that the xLCD cable is not twisted.
Insert the xLCD cable into the frame, copy the line of the PE cable, and cover the PE cable.
Guide all xLCD cables as close to corner as possible.
Once in the corner flip the cables along the upper edge. See the picture.
Insert the xLCD-cable-bottom-holder into the frame.
Routing the cables
Routing the cables
Routing the cables
Routing the cables
Be careful, don't pinch any cables!
Gently insert the xLCD-cable-bottom-cover into the vertical frame.
The xLCD-cable-bottom-cover has to be in line with the horizontal frame. Don't insert the plastic cover into the horizontal frame.
Insert the Extrusion cover 172mm to the frame and push it up to the xLCD-cable-bottom-cover.
Fully insert the Extrusion cover 172 mm into the frame.
Take the xLCD and PE cables and gently push them up.
Make sure the cable loop is not too large.
Horizontal cable inserting
Horizontal cable inserting
Horizontal cable inserting
Be careful, don't pinch any cables!
Guide the xLCD and the PE cables through the extrusion.
Insert the Z motor cable into the extrusion.
Guide the cables together through the extrusion, as in the picture.
Corner frame cover
Corner frame cover
Corner frame cover
Corner frame cover
Be careful, don't pinch any cables!
Insert the 182mm extrusion cover into the extrusion.
Push the extrusion cover to the left side.
Fully insert the 182mm extrusion cover right next to the corner-frame-cover.
Inserting Z-motor-cable-bottom-cover
Inserting Z-motor-cable-bottom-cover
Inserting Z-motor-cable-bottom-cover
Inserting Z-motor-cable-bottom-cover
Push the Z-motor-cable-bottom-cover into the frame.
Gently bend the cables over the corner and insert them into the extrusion. Start with the Z motor cable and then proceed with xLCD and PE cables. Gently bend the xLCD cable over the corner and insert it in the extrusion.
Attach the frame-rear-cover on the printer. Make sure it perfectly fits on the extrusions.
Be careful, don't pinch any cables!
Secure it with the M3x10 screw.
Insert the Extrusion cover 243mm.
Connecting the xLCD cable
Connecting the xLCD cable
Connecting the xLCD cable
Lead the xLCD cable all the way up  the vertical metal extrusion.
Secure the cables with the Extrusion cover 354 mm.
The xLCD cable connector has a locking latch that has to face the red (or white) triangle near the xLCD connector.
Connect the xLCD cable.
Insert two zip ties through the perforations in the metal sheet to secure the cables. Tighten them gently.
Cut the excess of the zip ties.
ATTENTION: Do not overtighten the zip ties! Otherwise, you risk damaging the cables.
Covering the electronics
Covering the electronics
Covering the electronics
Covering the electronics
Gently attach the Rear-cable-management-upper on the rear side.
Secure it with four M3x5rT screws using a T10 screwdriver.
Connect the extruder cable.
Be careful, don't pinch any cables.
Put the XL-buddy-box-cover back on the printer.
With a T10 key tighten the four screws.
Mount the xl-rear-cable-management-plug and tighten its two M3x5rT screws using a T10 screwdriver.
Mounting the filament sensor and the spool holder
Mounting the filament sensor and the spool holder
Mounting the filament sensor and the spool holder
To the printer's side where you previously removed the filament sensor and the spool holder from, mount the filament sensor and secure it with the M3x12rT screw by using a T10 screwdriver.
Mount the spool holder and secure it with the M5x85 screw.
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