Dremel 3D40 Idea Builder Instrucciones - Página 3

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Step 4: Remove the Leveling Servo Assembly

1. Remove the three screws holding the servo motor bracket

in place with a T10 Torx (star) bit.

Figure 8: Unscrew servo motor levelling switch chassis

2. Get a visual understanding of how the levelling arm is

located and oriented in the assembly (see picture below)

and then pull the servo motor assembly vertically upwards

away from the extruder.

Figure 9: Take note of how levelling switch is located

and oriented before chassis removal.

Step 5: Disconnect the Extruder Circuit Board

1. Disconnect the leveling switch (black and red wires) and

servo motor (red, brown, and yellow) from the extruder

circuit board. When removing these, always remove by the

plastic connectors. Never pull by the wires - this can

damage or break the connectors.

Figure 10: Disconnect encircled connectors

Step 6: Reassemble the Extruder

1. Replace the leveling servo assembly carefully by maneu-

vering the levelling arm through the extruder chassis.

2. Replace the three screws holding the servo motor chassis

in place as shown in Figure 8.

3. Reconnect both wire connectors to the extruder circuit

board as shown in Figure 10.

4. Loop the shielded circuit cable through the plastic guide

bracket. Refer Figure 7.

5. Press the black connector pins on the shielded ribbon

cables and align with the receptacle as shown in Figure 6.

Gently push the ribbon cable onto the receptacle and

release the black pins. An audible "click" should be heard

when it is reconnected.

6. Reconnect the filament runout switch from the extruder top

cover to the circuit board. Refer Figure 5.

7. Replace the top cover and the two screws attaching it to

the extruder. Refer Figure 4. PLEASE NOTE: After replac-

ing the top cover ensure that no wires are exposed out of

the extruder body. If any wires are exposed or hanging out,

the extruder top cover will need to be removed and re-

placed.

Step 7: Calibration

This step will outline how to calibrate the leveling arm and

the z-offset for the extruder. The new leveling arm does not

know where it is in rotation before calibration, so the following

instructions will calibrate it to the correct position.

1. With the printer turned off, insert the supplied USB stick

into the USB port on the front of your 3D40.

2. Turn on the printer and wait for the calibration screen to

appear.

3. The "level arm set: (1/2)" will show up on the screen. The

Up and Down orientations have + and - adjustment

buttons. The adjusted angle can be seen in the black box

between the + and – buttons.

a. Press "test" once to move the levelling arm down.

Figure 11: Levelling Arm visible after pressing "test"