⬢For the following steps, please prepare:
⬢2.5mm Allen key
⬢T10 Torx key
⬢Needle-nose pliers for cutting zip ties
⬢Piece of cloth or fabric (at least 15x15 cm) for covering the heatbed
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- Original Prusa Enclosure [進行中の翻訳]
- 2C. Preparing the printer (MK4/MK3.9)
2C. Preparing the printer (MK4/MK3.9)
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- Original Prusa Enclosure [進行中の翻訳]
- 1. Introduction
- 2A. Preparing the printer (MK3S+ Black PSU)
- 2B. Preparing the printer (MK3S+ Silver PSU)
- 2C. Preparing the printer (MK4/MK3.9)
- 1. Tools necessary for this chapter
- 2. Preparing the printer
- 3. Disconnecting the xLCD cables
- 4. Removing the xLCD cable clips
- 5. Removing the xLCD cables
- 6. Removing the xLCD cables
- 7. Removing the xLCD
- 8. Releasing the PSU
- 9. Removing the PSU
- 10. Guiding the cables: parts preparation
- 11. Guiding the cables
- 12. Guiding the cables
- 13. Mounting the printer frame support: part preparation
- 14. Mounting the printer frame support
- 15. Mounting the printer frame support
- 16. Covering the PSU cables: parts preparation
- 17. Covering the PSU cables
- 18. Covering the xLCD cables: parts preparation
- 19. Covering the xLCD cables
- 20. QSM fitting: parts preparation
- 21. Installing the QSM fitting
- 22. Version A: Disassembling the xLCD
- 23. Version B: Disassembling the xLCD
- 24. Version A: Disassembling the xLCD
- 25. Version B: Disassembling the xLCD
- 26. Preparing the xLCD: parts preparation
- 27. Version A: Preparing the xLCD: parts preparation
- 28. Version B: Preparing the xLCD: parts preparation
- 29. Preparing the xLCD
- 30. Version A: Preparing the xLCD
- 31. Version B: Preparing the xLCD
- 32. Version A: Installing the PE Faston
- 33. Version B: Installing the PE Faston
- 34. Assembling the LCD knob
- 35. Haribo time!
- 36. The printer is prepared
- 3. Assembling the enclosure
- 4A. Installing the printer (MK3S+ Black PSU)
- 4B. Installing the printer (MK3S+ Silver PSU)
- 4C. Installing the printer (MK4/MK3.9)
- 5. Fire Suppression System (add-on)
- 6. Hinged Lid (add-on)
- 7. Advanced filtration system (add-on)
- 8. Mechanical lock (add-on)
- 9. Quick release PSU cable - MK3S+ Black PSU (add-on)
- 10. Quick release PSU cable - MK4/3.9 Black PSU (add-on)
- 10. White LED strip (add-on)
- Manual changelog Enclosure kit
2C. Preparing the printer (MK4/MK3.9)
Relevant for:
Last updated 2 months ago Difficulty
Moderate Steps
36 Available languages
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.
⬢Remove the USB flash disk.
⬢Take off the filament spool from the spool holder and remove the spool holder from the printer.
⬢Carefully turn the printer on its side (on the PSU).
⬢Disconnect the PE cable.
⬢Disconnect the xLCD cable.
You may have another version of the connected PE cable. Disconnect the PE and continue as instructed.
⬢Pry out the cable clips using a 2,5mm Allen key.
⬢Pry out and release all cable clips.
⬢Carefully remove the xLCD cables and the PE cable from the cable clips.
⬢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 xLCD cables.
⬢Cut remaining zip ties on the cable bundle. Their number may vary at this location.
⬢Remove the xLCD cable and PE cable from the cable bundle.
⬢Put the printer back on its feet and leave the xLCD cable and PE cable free next to the printer.
Avoid placing the printer on xLCD and PE cables!
⬢Move the heatbed away from the xLCD.
⬢Release all four screws holding the xLCD in the front plate using a 2.5 mm Allen key. Remove the xLCD from the printer.
Put the xLCD in a safe place for now. You'll need it again soon.
⬢Release two screws holding the PSU-cover and remove the cover from the PSU.
⬢Loosen two screws holding the PSU on the aluminum extrusion. Do not remove them completely! Keep them in place.
⬢Release two round head screws from the front side of the frame securing the PSU. Do not thor them away!
If one of the screws is hidden behind the X-end, manually rotate both threaded rods at the same time to move the X-axis up or down.
⬢Slightly lift the PSU until it can be completely released from the printer.
⬢Remove the PSU from the printer and place it behind the back of the printer on the piece of cloth, like in the picture.
You will need to slightly lift the printer to guide the cables out of the frame.
⬢Carefully turn the printer on the "electronics" side.
Avoid putting the printer on the LCD cables!
⬢For the following steps, please prepare:
⬢Zip tie (3x)
In the upcoming steps, please tighten all zip ties carefully, as you might pinch/break the cables.
⬢Locate the circular holes in the frame near the Z-axis right motor.
⬢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.
⬢そのまま下方向に進み、別の結束バンドを使って次のループを作ります。
⬢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.
⬢For the following steps, please prepare:
⬢Printer frame support (1x)
⬢M4x10r screw (2x) previously removed from the PSU
⬢Slide the printer frame support on the screws in the aluminum extrusions (instead of the PSU).
⬢Move the printer frame support to the frame.
⬢Secure the printer frame support to the frame with two M4x10r screws.
⬢Fully tighten the screws on the printer frame support.
⬢For the following steps, please prepare:
There are two textile sleeves in your kit with different lengths and diameters.
⬢Textile sleeve 8 x 350 mm (1x)
⬢Zip tie (2x)
⬢From the electronics, wrap the PSU cable (including the black&white power panic cable and the green&yellow PE 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.
⬢For the following steps, please prepare:
⬢Textile sleeve 13 x 400 mm (1x)
⬢Zip tie (1x)
⬢From the electronics, wrap the xLCD and PE cables in the textile sleeve.
⬢Push the textile sleeve near to the electronics box.
⬢Wrap the entire length of the xLCD cable bundle.
⬢Using the zip tie, create a loop through the circle holes in the frame around the motor cables and xLCD cable bundle.
Do not forget to include the Z-axis left motor cable on the front side of the frame! See the detail.
⬢For the following steps, please prepare:
⬢Fitting QSM-M5 (1x)
⬢Insert and screw the Fitting QSM-M5 directly into the threaded filament hole in the extruder.
⬢Remove the xLCD-knob and keep it for later use.
⬢Release four M3x8 screws securing the xLCD board.
⬢Take off the xLCD-support-left.
⬢Take off the PE Faston 6.3x0.8 and keep it for later.
⬢Remove the xLCD-knob and keep it for later use.
⬢Release five M3x8rT screws securing the xLCD board.
⬢Take off the xLCD-support-left.
⬢Take off the PE Faston 6.3x0.8 and keep it for later.
⬢Gently pull out the second xLCD support, it will pull out the xLCD from the xLCD cover.
⬢Notice there is a small hook that goes around the circuit board.
⬢Gently pull out the second xLCD support, it will pull out the xLCD from the xLCD cover.
⬢Notice there is a small hook that goes around the circuit board.
⬢For the following steps, please prepare:
⬢xLCD-cover (1x) old part
⬢xLCD screen (1x) old part
⬢xLCD-knob (1x) old part
⬢xLCD-support-L-MK4 (1x)
⬢xLCD-support-R-MK4 (1x)
The list continues in the next step...
⬢M3nS nut (2x)
⬢M3x8 screw (4x) previously removed
⬢PE Faston 6.3x0.8 (1x) old part
⬢M3nS nut (2x)
⬢M3x8rT screw (5x) previously removed
⬢PE Faston 6.3x0.8 (1x) old part
⬢Insert all the way of the M3nS nut into each xLCD-support.
You may use a 2.5 mm Allen key to push the nuts into the xLCD supports.
During handling, be careful that the nuts do not fall out of the parts.
⬢Insert the xLCD-support-right on an xLCD.
⬢Notice there is a small hook that goes around the circuit board.
⬢Insert the xLCD screen with the support all the way in the xLCD-cover.
⬢xLCD-support-leftをxLCDボードに取り付け、ボードの2つの穴に合わせます。
⬢Secure the xLCD support with three M3x8 screws.
⬢Insert the xLCD-support-right on an xLCD.
⬢Notice there is a small hook that goes around the circuit board.
⬢Insert the xLCD screen with the support all the way in the xLCD-cover.
⬢xLCD-support-leftをxLCDボードに取り付け、ボードの3つの穴に合わせます。
⬢Secure the xLCD support with three M3x8rT screws.
⬢Locate the PE hole on the xLCD next to the xLCD-support-right.
⬢Insert the M3x8 and PE faston and secure it with a 2.5mm Allen key.
⬢Insert the M3x8rT screw into the PE hole and secure it.
⬢PEファストン を xLCD-support-left とLCD ボードの間に挿入します。穴に合わせて、PEファストンを写真のように少し斜めに向けます。
⬢Secure all parts together with one M3x8rT screw.
⬢Attach the xLCD-knob on the encoder.
Knob mounting orientation doesn't matter.
⬢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!
⬢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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