zortrax M300 Plus Operating manual

Maintenance Guide
SOURCE:
https://support.zortrax.com/m300-plus-maintenance-guide/

Table Of Content
Main 3
Hotend 4
Platform 5
X/Y Axes; Extruder Guide Rails 6
Extruder 7
Z-Axis 8
Suggested Part Replacement Time 9

Main
ACTIVITY FREQUENC
YSOLUTIONS TO THE PROBLEMS NECESSARY ACCESSORIES
Cleaning the
machine, its
interior and
surroundings,
especially the
bottom plate
under the
platform
Before each
printing
process
To remove material remains from the
interior of the device, use a vacuum
cleaner or compressed air
– a vacuum
cleaner,
– cleaning
products with a
high evaporation
rate
Cleaning the
motherboard and
the power supply
unit from dust
using
compressed air
Every 300
working
hours
Unscrew the bottom plate and use
compressed air to remove dust – a 2.5 Allen key – compressed air

Hotend
ACTIVITY FREQUENCY
Checking if the hotend and the nozzle are
not clogged Before each printing process
Cleaning the nozzle After finishing one spool of material
Checking if the screws that secure the
heater and thermocouple are tightened Every 300 working hours

Platform
ACTIVITY FREQUENC
YSOLUTIONS TO THE PROBLEMS NECESSARY ACCESSORIES
Cleaning the
perforated plate Before each printing
process
To remove material remains from the
surface of the perforated plate, use a
spatula
– a spatula
Checking the
perforated plate
for deformation
Before each
printing
process
– –
Calibration Every 200
working
hours
If the platform calibration fails, move on
to the next step indicated in this table –
Cleaning the
heatbed and the
underside of the
perforated plate
Every 300
working
hours
Unscrew the screws that secure the
perforated plate and remove the
residues from the underside of the plate
using a spatula. The heatbed needs to
be cleaned with a piece of cloth
damped in acetone
– a spatula,
– a piece of cloth,
– acetone

X/Y Axes; Extruder Guide Rails
ACTIVITY FREQUENC
YSOLUTIONS TO THE PROBLEMS NECESSARY ACCESSORIES
Checking if the
axes and the
extruder guide
rails are clean
from material
remains and dust
Before each
printing
process
It is possible to feel slight resistance
while checking if the extruder moves
freely on the guide rails. In such case
you should check if the X/Y axes and
the extruder guide rails are covered
with black grime. The axes and guide
rails should be cleaned with a cloth
damped in acetone and then lubricated
with silicone oil
– silicone oil
Checking the
tension of the
drive belts on the
X/Y axes
Every 300
working
hours
In order to check the tension of the
drive belts on the X/Y axes, move the
extruder to the central point and gently
tug the belts. If the belts are loosened,
tighten the screws placed on the top
part of the X/Y axes blocks
–
Checking the
tension of the
drive belts
between the
motors and the
X/Y axes
Every 300
working
hours
– –
Checking if the
screws on the
X/Y axes and the
motor pulleys are
tightened
Every 300
working
hours
– –
Checking if the
extruder moves
freely when the
printer is off
Every 300
working
hours
– –
Lubricating the
X/Y axes and the
extruder guide
rails
Every 300
working
hours
– – silicone oil

Extruder
ACTIVITY FREQUENCY
Checking if the extruder top cover and the
material guide are properly installed Before each start-up of the printer
Checking if the material guide is properly
secured to the extruder cable with the
material guide clamps
Before each start-up of the printer
If you use the HEPA Cover, check if it does
not press the extruder cable Before each start-up of the printer
Checking if the extruder cable is properly
plugged into the extruder PCB Every 300 working hours
Checking if the extruder PCB is properly
secured to the extruder block Every 300 working hours
Checking if the pins on the extruder cable
connector are clean Every 300 working hours
Checking if the screws that secure the
hotend are not loose, and, if necessary,
tightening them
Every 300 working hours
Removing the material remains and lumps
from the extruder Every 300 working hours
Checking if the fans are working Every 300 working hours
Checking if the screws that secure fan
shrouds on the extruder are tightened, and
if it’s necessary, tighten them
Every 300 working hours

Z-Axis
ACTIVITY FREQUENCY
Lubricating the Z-axis screw and rails Every 500 working hours

Suggested Part Replacement Time
The table shows approximate replacement time of components that are exposed to
natural wear and tear. In order to maintain the printer in good condition and to provide
the highest priting quality, it’s advisable to replace particular components after an
appropriate period of time indicated in the table.
NOTE! The lifespan of particular components highly depends on the type of
filaments you use most often.
Nozzle Hotend Perforated
Plate Extruder Cable Heater and T hermocoupleExtruder Fans 40×40
Every 300
working hoursEvery 400 working hoursEvery 700 working hoursEvery 500 working hoursEvery 400 working hoursEvery 500 working hours
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