MakerBot Replicator 2X Guida

TROUBLESHOOTING

AND MAINTENANCE

1TROUBLESHOOTING 04

Objects Do Not Stick to the Build Plate 05

Objects are Dicult to Remove from the Build Plate 05

Extrusion Stops 06

Replicator 2X Shakes 07

Filament Not Loading 08

Filament Stuck 09

Disassembling an Extruder 10

LCD Error Messages 11

Misaligned Nozzles 14

MakerBot MakerWare Error Messages 16

MakerBot Support 21

Dos and Don’ts 21

Tools You May Find Useful 22

Diagnosing Print Quality Issues 23

2MAINTENANCE 28

Leveling the Build Plate 29

Replacing Kapton Tape 31

Lubricating the Z-Axis Rod and Idler Pulley 32

Realigning the Gantry 34

Tightening the X- and Y-Axis Pulleys 35

Filament Care 36

Adjusting Extruder Spring Tension 36

TABLE OF CONTENTS

3TABLE OF CONTENTS

Troubleshooting

PRINTING ISSUES

INTRODUCTION

5TROUBLESHOOTING

OBJECTS DO NOT STICK TO THE

BUILD PLATE

If printed objects are not sticking to the

build plate, try these solutions:

• Re-level your build plate by going to the

LCD menu and navigating to Utilities

> Level Build Plate. Inconsistent plate

height will lead to inconsistent adhesion.

If any one part of your object does not

adhere well to the plate, the whole object

might peel o the plate. Try leveling the

plate again using a thinner piece of paper

or feeler gauge to check the distance

between the nozzle and the build plate.

• Ensure that the plate is clean. Bubbles,

scratches, dust, and oil from your hands

can prevent objects from sticking to the

Kapton tape. Wipe down the build plate

with a clean, lint-free cloth.

• Increase the temperature of the build

plate by ve degrees. You can change

the temperature of the build plate in the

Advanced Options section in the Make

dialog in MakerWare.

• If you continue to have adhesion problems,

loosen each of the plate-leveling knobs

about a quarter of a turn to bring the plate

slightly closer to the nozzles.

OBJECTS ARE DIFFICULT TO REMOVE

FROM THE BUILD PLATE

If printed objects are dicult to remove

from the build plate, try these solutions:

• Wait for the build plate to cool down.

Objects will detach more easily when

both the plastic and the plate are cool.

• Use a metal cra spatula and carefully

work the blade under the edge of the

object. When the blade is under the

object, twist the handle slightly. The

object should come free.

This Troubleshooting and Maintenance Guide is designed as a companion

to your MakerBot Replicator 2X User Guide. In the ﬁrst section you will

ﬁnd troubleshooting solutions to common problems you may come

across when using your Makerbot Replicator 2X. In the second section

we explain several methods for keeping your MakerBot Replicator 2X well

maintained. Referring to this guide will help ensure that you continue to

make amazing things with your MakerBot Replicator 2X.

PRINTING ISSUES CONTINUED

EXTRUSION STOPS

There are a few problems that can cause

your MakerBot Replicator 2X to stop

extruding. Use this checklist to determine

the cause and appropriate solution.

•Is your extruder motor rotating? Use a

marker to draw a line across the end

of the motor sha that is visible at the

back of the motor. When the extruder is

running, you should be able to see the

sha turning. The sha may sometimes

reverse direction in order to retract

ﬁlament, but during extrusion it should

be moving at a slow but constant rate. If

the sha does not turn, or stops turning,

please get in touch with MakerBot

Support and we’ll help you ﬁgure out

what’s going on. [Fig 1.1]

•Is your ﬁlament tangled? Check that the

spool is spinning smoothly on the mount.

•Is the build plate too close to the

extruder? If so, there might not be room

for the plastic to come out of the extruder.

If your extruder stops extruding during the

ﬁrst or second layer of a build, this usually

indicates that the build plate is too close

to the extruder.

•Is the nozzle clogged? Go to the LCD

menu on your MakerBot Replicator 2X and

navigate to Utilities > Change Filament

> Load right or Load le. Run the Load

script. Observe the plastic as it emerges

from the nozzle. Does it drop straight

down, or curl up toward the extruder? If

it curls back up toward the extruder, the

nozzle may be partially clogged. Contact

MakerBot Support for assistance.

•Still having trouble? You can always get

in touch with support@makerbot.com for

additional help and information.

Motor shas

Fig. 1.1

7TROUBLESHOOTING

REPLICATOR 2X SHAKES

Your Replicator 2X will shake during printing

if you print at high speeds with acceleration

turned o. Attempting to print at high

speeds with acceleration turned o can

harm your MakerBot Replicator 2X.

To check and change the Acceleration

setting, go to the LCD menu on your

Replicator MakerBot 2X and navigate to

Info and Settings > General Settings >

Accelerate. You can turn acceleration o and

on. You can also do this using the Onboard

Preferences in MakerWare or ReplicatorG.

Acceleration is turned on by default. If you

have acceleration turned o, you should not

print at speeds above 40 mm/s.

PRINTING ISSUES CONTINUED

FILAMENT NOT LOADING

If you are having problems loading lament

into one of the extruders, perform the

following steps:

1. Go to the LCD panel and select Utilities

> Filament Options > Unload. This option

heats the extruders.

2. Set the extruder arm to the open position.

[Fig 1.2]

3. Make a fresh cut at the end of the

lament. It is important that the lament

have no bends in it. If there are bends, cut

o the bent section of lament.

4. Insert the lament into the hole at the top

of the extruder. Keep pushing it in until you

start to see plastic come out of the nozzle.

You might have to apply some pressure.

5. When the lament is successfully loaded, set

the extruder lever arm to the closed position.

If ﬁlament doesn’t emerge from the nozzle,

try the following solutions:

• Remove the lament from the top of

the extruder and check for a bend at the

end of the lament. If the lament is bent,

it is possible that the ﬁlament is slipping

under the extruder bearing instead of

entering the hot end.

• Remove the extruder fan and assembly

using the instructions in the section

Disassembling an Extruder. This will

allow you to watch the lament travel

through the extruder and determine

where the lament is getting stuck. This

will also allow you to see if a piece of

lament is stuck inside the extruder.

Extruder arms open

Fig. 1.2

Extruder arms closed

FILAMENT STUCK

Filament can swell inside the extruder and

get stuck. If you cannot unload lament

from one of the extruders, do the following:

1. Go to the LCD panel and select Utilities

> Filament Options > Unload. This option

heats the extruders.

2. Set the extruder arm to the open position.

3. Push about half an inch of lament

through the extruder to clear the blockage.

4. Try pulling the lament out of the

extruder again.

If you are unable to unload ﬁlament because

it has broken o inside the extruder, you

might not be able to reach inside the

extruder to clear the blockage. In that case,

see the section Disassembling an Extruder.

PRINTING ISSUES CONTINUED

9TROUBLESHOOTING

PRINTING ISSUES CONTINUED

DISASSEMBLING AN EXTRUDER

1. Unload the MakerBot Filament from the

extruder. To run the script for unloading

ﬁlament, go to the LCD panel and select

Utilities > Filament Options > Unload.

2. Switch o the power on the MakerBot

Replicator 2X and unplug the power supply.

Pull on the connector to release it from the

power input port.

3. Unscrew the two bolts at the lower

corners of the fan guard using your

2.5 mm hex wrench. As one piece, remove

the fan guard, the fan, the heat sink, and the

spacers. Keep these pieces assembled and

move them out of the way.

4. Set the extruder lever arm to the open

position. [Fig 1.2]

5. Unplug the motor wire harness from the

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