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2C. Preparing the printer (MK3S+ Silver PSU)

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2C. Preparing the printer (MK3S+ Silver PSU)

2C. Preparing the printer (MK3S+ Silver PSU)
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Last updated 2 years ago
2C. Preparing the printer (MK3S+ Silver PSU)
 Difficulty
Easy
 Steps
31
 Available languages
CSPLDEESITFR
Tools necessary for this chapter
Tools necessary for this chapter
Tools necessary for this chapter
Tools necessary for this chapter
For the following steps, please prepare:
2.5mm Allen key
3.0mm Allen key
Needle-nose pliers for cutting zip ties
Piece of cloth or fabric (at least 15x15 cm)  for covering the heatbed
Preparing the printer
Preparing the printer
Preparing the printer
Before we start with partial disassembling of the printer, proceed with the following steps:
Unload the filament from the extruder.
Turn the printer off and unplug the power cable.
Remove the steel sheet from the heatbed.
Take off the filament spool from the spool holder and remove the spool holder from the printer.
Disconnecting the LCD cables
Disconnecting the LCD cables
Disconnecting the LCD cables
Disconnecting the LCD cables
Carefully turn the printer on its side (on the PSU).
Disconnect both LCD cables from the LCD board.
Very carefully remove the LCD cables from the aluminum frame extrusion. Do not pull on the cable!
Removing the LCD cables
Removing the LCD cables
Removing the LCD cables
Removing the LCD cables
Using the needle-nose pliers, cut the zip tie near the PSU. Be careful not to cut the cables!
Follow the cable bundle up. Cut two zip ties securing the cable bundle over the LCD cables.
Cut remaining zip ties on the cable bundle. Their number may vary at this location.
Removing the LCD cables
Removing the LCD cables
Removing the LCD cables
Remove the LCD cables from the cable bundle.
Put the printer back on its feet and leave the LCD cables free next to the printer.
Avoid placing the printer on LCD cables!
Removing the LCD
Removing the LCD
Removing the LCD
Move the heatbed away from the LCD.
Release all four screws holding the LCD in the front plate. Remove the LCD from the printer.
Put the LCD in a safe place for now. You'll need it again soon
Releasing the PSU
Releasing the PSU
Releasing the PSU
Releasing the PSU
Turn the printer and from the rear side of the printer, release two screws securing the PSU on the short aluminum extrusion.
Turn the printer with the front side facing you and release two screws securing the PSU to the frame. Hold the PSU to prevent it from falling.
Carefully place the PSU next to the printer on a piece of cloth to avoid damaging the PSU or work surface.
Removing the short extrusion
Removing the short extrusion
Removing the short extrusion
Removing the short extrusion
From the back of the printer, release four M5 screws mounting the short left extrusion.
From the front of the printer, release four M5 screws securing the short extrusion.
Carefully remove the short extrusion from the frame.
Repositioning M3nE nuts
Repositioning M3nE nuts
Repositioning M3nE nuts
Remove two M3nE nuts from its original position.
Reposition two M3nE nuts to the next "channel" on the left in the extrusion. Notice where the anti-vibration foot is.
The exact position of the nuts in the channel doesn't matter at the moment.
Remove the PSU cables from the printer and place the PSU next to the printer.
Attaching the short extrusion
Attaching the short extrusion
Attaching the short extrusion
Attaching the short extrusion
Place the short extrusion back to the frame. The M3nE nuts must point out of the printer.
From the rear side of the printer, align the holes in the rear plate and the extrusion and secure it with two M5x16r screws diagonally.
Insert and tighten two M5x16r into the remaining holes.
Secure the extrusion from the front side with two M5x16r diagonally.
Insert and tighten two M5x16r into the remaining holes.
Guiding the cables
Guiding the cables
Guiding the cables
Guiding the cables
Carefully turn the printer on the "electronics" side.
Avoid putting the printer on the LCD cables!
Locate the circular holes in the frame near the Z-axis right motor.
In the upcoming steps, please tighten all zip ties carefully, as you might pinch/break the cables.
Slide the zip tie through the circular holes in the frame to create a loop.
Guide the motor cable in the zip tie and tighten it. Be careful not to over tighten the tie as it can cut the wires. Cut the remaining part.
Guiding the cables
Guiding the cables
Guiding the cables
Guiding the cables
Continue downwards and using another zip tie create the next loop.
Insert Y-axis motor cable to the current bundle.
Push the cable gently in the zip tie and tighten it so it is snug and holding the wires. Be careful not to over tighten the tie as it can cut the wires . Cut the remaining part.
Following the cables and secure the bundle with the zip tie in the next couple of holes.
Mounting the printer frame support
Mounting the printer frame support
Mounting the printer frame support
Mounting the printer frame support
Insert two M3x10 screws into the M3nE nuts. Do not tighten them completely. Five turns will be enough for now.
Slide the printer frame support on the screws in the aluminum extrusions (instead of the PSU).
Move the printer frame support to the frame.
Covering the PSU cables
Covering the PSU cables
Covering the PSU cables
Covering the PSU cables
From the electronics, wrap the PSU cable (including the black&white power panic cable) in the textile sleeve.
Leave 2-5 cm from the electronics uncovered. Secure the end of the sleeve with the zip tie.
Wrap the entire length of the bundle and slightly twist the sleeve, not the cables.
Secure the end of the sleeve with the zip tie.
Covering the LCD cables
Covering the LCD cables
Covering the LCD cables
Covering the LCD cables
From the electronics, wrap the LCD cables in the textile sleeve.
Wrap the entire length of the LCD cable bundle.
Using the zip tie, create a loop through the circle holes in the frame around the motor cables and LCD cable bundle.
Do not forget to include the Z-axis left motor cable on the front side of the frame! See the detail.
Leave 2-5 cm from the electronics uncovered. Secure the cable bundle with the zip tie. Do not over tighten the bundle! You may cut the cables.
Securing the cables
Securing the cables
Merge the LCD cable bundle and the PSU cable bundle and secure them together with the zip tie.
Do not over tighten the zip tie! It can damage the cables.
Removing the FS-cover
Removing the FS-cover
The following procedure is intended for a single material printer. If you have a multi material printer, go to Disassembling the LCD.
Release the M3x10 screw securing the FS-cover and keep it aside. We will need it again later on.
Remove the FS-cover from the extruder.
Installing the new FS-cover: parts preparation
Installing the new FS-cover: parts preparation
For the following steps, please prepare:
New FS-cover (1x)
Note, that the new FS-cover differs from the old one for the MK3S+. It has a brass insert.
M3x10 screw (1x) re-use the old one
Fitting QSM-M5 (1x)
Installing the new FS-cover
Installing the new FS-cover
Installing the new FS-cover
Installing the new FS-cover
Attach the new FS-cover on the extruder. See the correct orientation. The  beveled side must be on the right (above the extruder-idler).
Secure it with the M3x10 screw.
Screw the fitting into the brass insert in the FS-cover. No need to use a side wrench.
Disassembling the LCD
Disassembling the LCD
Disassembling the LCD
Disassembling the LCD
Remove the SD card from the LCD assembly.
Remove the LCD knob and keep it for later use.
Release two M3x10 screws securing the LCD screen.
Slightly push the latch on the LCD cover and remove the LCD screen.
Slide off the LCD supports from the LCD screen.
Preparing the LCD: parts preparation
Preparing the LCD: parts preparation
Preparing the LCD: parts preparation
For the following steps, please prepare:
LCD-support-L (1x)
LCD-support-R (1x)
M3nS nut (2x)
M3x10 screw (2x) previously removed
LCD-cover (1x) old part
LCD screen (1x) old part
LCD-knob (1x) old part
Preparing the LCD
Preparing the LCD
Insert all the way the M3nS nut into each LCD-support.
During handling, be careful that the nuts do not fall out of the parts.
Preparing the LCD
Preparing the LCD
Preparing the LCD
Preparing the LCD
Slide the LCD-support-L from the left side of the LCD board (side with the SD card slot) to approximately the same position as in the picture.
Slide the LCD-support-R from the right side to approximately the same position as in the picture.
Insert the LCD screen with the supports all the way in the LCD-cover. The LCD controller must click under support in the center of the LCD-cover.
Adjust the position of the supports if needed. It must fit in the cutouts.
Secure the LCD with two M3x10 screws.
Haribo time!
Haribo time!
That was easy, wasn't it? Reward yourself and replenish your energy for the next chapter.
Eat the second row of the gummy bears. Leave the others!
The printer is prepared
The printer is prepared
The printer is prepared
Carefully place the PSU on the heatbed. Use a piece of cloth as protection.
Well done, the printer is prepared.
Place the printer aside for some time, we will need it later on.
Now, let's go to the next chapter: 3. Assembling the enclosure
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