Z-Temp

™

Installation and Use

V 12.0

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Contents

Compliance Information

Introduction

Kit Contents

Extruder Control Installation

Extruder Control Test

Extruder Control Use

Bed Heater Switch Installation

Bed Heater Switch Use

Temperature Monitor Output

Modified Extruder Head Cover

Temperature Range Selection

Specifications

Warranty and Disclaimers

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Thank you and congratulations on your purchase of the Z-Temp™ temperature control system for the Zortrax™ M200® 3D printer. You are now free to use your choice of filament!

Why use the Z-Temp™?

Independence

The M200 is a fine machine, but users are limited to the temperatures specified at slicing time by a selected profile provided by Zortrax for their proprietary materials. With the Z-Temp™, users are free to select from a wide range of extrusion temperature for any material they choose to use in their printers.

Accuracy

Due to component variations, the M200ʼs temperature sensing and control system is accurate only to within approximately ±5-10ºC. Even when using a Zortrax profile, the final temperature may not be optimal; Z-Temp can compensate for these errors.

On-the-Fly Adjustment

Used per Zortraxʼs procedure, extrusion temperatures are fixed at slicing time – there is no ability to change temperature mid-print for fine adjustments or special part characteristics. With Z-Temp, extrusion temperature can be changed at any time during the printing process. Furthermore, there is no need to re-slice your model when you want to print it using a different material – just set the Z-Temp and use the same Z-code you previously generated.

Real-Time Temperature and Heater Activity Display

The M200 provides no operator feedback of actual temperature during printing. The Z-

Tempʼs patent-pending multi-color display confirms at a glance the approximate extruder temperature at any time, its Heater Monitor provides an informative display of power delivered to the hot end, and its Temperature Monitor Output can be used with an external meter to read exact actual hot-end temperature.

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Please visit our website at www.z-temp.co

to view samples of parts printed using the Z-

Temp, for many tips and settings for various materials, and for support from the user community. As we learn more about printing new materials with the M200® we will publish them on the News , Tips for Use, Materials Guide , and Gallery pages of the site

– those pages will be updated more frequently than this User Manual.

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Your Z-Temp kit should contain the following components:

• Z-Temp™ extruder temperature control module

• Bed heater control assembly

• Temperature voltage output cable

• ColorTemp™ visual thermometer color-key sticker

• 0.5mm shim for increasing initial layer nozzle distance (see http://www.ztemp.co/tips-and-tricks.html

to learn about use of the shim).

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©2016 Z-Temp

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Switch the printer off. Move the print head to a corner to minimize stress on the guide rods. Itʼs not necessary to unload the filament before installation, but it does make things a bit easier.

Use the ejector levers to remove the ribbon cable. Remove the snap-on cover.

Plug the Z-Temp into the M200ʼs ribbon cable connector, making sure to line it up correctly.

Damage to the printer or the Z-Temp may occur if the connector is not aligned!

Z-Temps manufactured in 2016 feature a keyed connector to prevent misalignment.

Snap the ejector latches into the Z-Tempʼs housing to secure it in place.

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Open the ejector levers on the Z-Tempʼs ribbon cable connector and insert the ribbon cable.

Support the back of the Z-Temp during this operation to minimize stress.

Some M200s ship with ribbon connectors having tabs at the edges of the female connector housing. If these tabs are found to prevent mating with your Z-Temp's male header, simply snip off the tabs with a pair of cutters.

Some ribbon connectors have 24 pins, whereas the male header of the extruder (and that of the

Z-Temp) has only 20 pins. The female connector should be centered on the male header, with one pair of unused sockets extending past each end of the header.

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Switch the printer on. The Z-Temp will light up blue (assuming the extruder is cold).

Set the Z-Tempʼs control knob for 0 degrees temperature offset.

Use the M200ʼs front panel interface to manually heat the extruder (Maintenance->Heat the Extruder). Under firmware 1.0 and 1.0.1, the nominal temperature for this operation is around 240ºC. Under prior versions of the firmware itʼs 260º.

A small red dot appears on the M200ʼs panel, monitoring extruder heater power.

As the temperature of the extruder rises, the Z-Tempʼs color will change to indicate the current temperature as shown in the chart below. As the temperature approaches the M200ʼs setpoint, the heater power monitor will begin to flicker as the printerʼs pulse-width modulation and PID control loop kick in.

Change the Z-Tempʼs temperature offset setting and observe the effect on the heater power monitor and the temperature indicated by the Z-Tempʼs color. The Z-Temp updates its display many times per second, but due to thermal inertia of the hot end and the M200ʼs PID control loop, it will take some time for changes in extruder temperature to occur.

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Please visit our website at www.z-temp.co

to view samples of parts printed using the Z-Temp, for many tips and settings for various materials, and for support from the user community. As we learn more about printing new materials with the M200® we will publish them on the Materials

Guide page of the site, which will be updated more frequently than this User Manual.

Measured temperatures for Zortrax material profiles appear in the table below. The Z-Temp

“offset” is relative to whichever of these is chosen at slicing time. We recommend using the Z-

ABS profile for all materials – it offers the most choices of layer height and its nominal temperature has remained constant through all versions of Z-Suite.

Standardizing on use of the Z-ABS profile also offers the possibility of printing an “absolute temperature” label for your Z-Temp so you donʼt have to do mental arithmetic using the offset temperature to find the actual temperature. Please see the “Temperature Range Selection” section of this manual for more information and printable template file.

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Notes:

1. Values measured using Z-Suite 1.4 profiles. Nominal temperature may vary depending on the version of Z-Suite used for slicing, but they can be verified using Z-Temps temperature monitor voltage output.

2. All materials perform “Load” and “Unload” at 240C under firmware 1.0 (260º under previous firmware versions). Loading and unloading offset may need to be set differently from printing offset.

3. Temperature can vary as much as ±3-5 degrees during printing due to PID error, fan speed changes, etc. When the fans first turn on after raft building, the temperature can drop as much as 10 degrees, and require several minutes to recover. We recommend using 80-100% manual fan with PLA. Auto fan should generally not be used with PLA since it produces more airflow and a greater temperature drop than manual fan.

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The bed heater switch is not necessary for printing with ABS or other materials requiring a heated bed, however when printing with PLA or lignin-based materials we find that reducing the bed heat can make raft and support reemoval considerably easier.

Switch the printer off, disconnect the power cable, and remove its bottom cover. This entails removing of four flat-head screws around the perimeter; instructions are available on the Zortrax website here (the support article is about changing the ribbon cable, but you do NOT have to change the ribbon cable to install the Z-Temp modifications, just take off the bottom cover).

Take care when removing the bottom cover not to pull the cooling fan cable. Use pliers to disconect the cooling fan cable from the motherboard.

Identify and disconnect the bed temperature sensor cable. It is recommended to use pliers to grip the connector housing rather than pulling on the wires.

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Insert the bed heater switch wiring harness through the third slot from the front on the printer chassisʼ right-hand side.

Connect the temperature sensor cable to the wiring harnessʼs male connector and the wiring harnessʼs female connector to the motherboard, where the sensor was formerly connected.

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Snap the switch housing into the chassis, ensuring that the lettering is right-side up.

Re-install the bottom cover of the printer, reconnecting the cooling fan power cable in the process.

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The bed heater switch has four positions:

0 – 30-35ºC

1 – 40-45º

2 – 50-55º

3 – Switch has no effect, full temperature (approximately 65º)

We like to use Position 0 with PLA for easiest raft removal. Due to changes first implemented in M200 firmware 1.0, however, a specific procedure must be followed in order to use the

minimal heat setting of Position 0.

To use Position 0:

1. Set the switch to Position 0 before launching the print.

2. On launching the print, platform heating will be passed immediately, saving time, and the

M200 display will show “Heating Extruder”.

3. While the extruder is heating, change the bed switch to Position 1.

4. After bed height sensing is finished (you will probably have used the shim to increase initial bed height for PLA) set the bed heat switch back to Position 0. Bed heating will stop soon thereafter and stay off during the print.

It is not necessary to follow this procedure if using beta firmware (anything prior to v1.0) in your

M200.

Bed heater operation can be monitored via the blue LED under the M200ʼs print bed.

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On the left side of the Z-Temp is a 2-pin JST-XH connector to which can be connected an external multimeter or voltmeter.

The signal on this connector comes directly from the M200ʼs temperature-sensing electronics, and will provide a real-time indication of the actual nozzle temperature (within the accuracy of the M200ʼs thermocouple its signal-conditioning circuitry on the printhead PCB, which is typically about ±5ºC). The scale factor is 200ºC per Volt, so to get the temperature you simply multiply the voltage reading by 200: for example in the photo below the voltage is .953 volts, so the indicated nozzle temperature is 190.6ºC.

Because actual hotend temperature may be affected by motherboard converter errors, slicing parameters, fan speed, ambient temperature, etc., this feature is useful for verifying the actual temperature at any moment and for measuring nominal temperatures used by the Zortrax profiles.

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If desired, an extruder cover having a lower façade may be printed and installed in place of the original Zortrax part. This provides better access to the ejector levers, and better visibility of the illuminated front face of the Z-Temp and heater monitor LED.

Installation is simple, requiring removal of only the two screws holding the cover and extruder

PCB to the stepper motor saddle. The STL for the low-façade part can be downloaded from: http://www.z-temp.co/extruder_cover.stl

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Z-Temp includes two "DIP switches" on the underside of its PCB, allowing you to select from among several different temperature ranges:

• The Default range of -90 to +60º of offset gives a wide range in easily-remembered 10degree steps.

• Fine Resolution offers 5-degree steps between -80 and -10º of offset (195-265º when using Z-ABS profile) for increased control when printing with PLA and lignin-based materials, plus a 0 offset position. The Fine range does not include any settings for

increased extruder temperature (positive offset).

• The Mixed range offers 5-degree steps from -85 to -35º of offset (190-240º actual with Z-

ABS profile), and coarser steps from 250-325º.

• Finally, there's a "low-temperature" range for use with special materials such as wax, going down to -140º of offset while still offering higher temps for more common materials.

Your Z-Temp is shipped set to the Default range. To change the setting, remove any yellow protective tape from the switch and move the slider with a pen tip or other small pointed object.

If you, like us, always slice with Z-Suite's Z-ABS profile (nominal temerature 275ºC), you may want to replace your Z-Temp's standard nameplate showing temperature offset with one showing actual temperature, so you don't have to do mental arithmetic to arrive at actual temperature. Printable PDF templates for relative and absolute nameplates for each of the available ranges are available for download from the Z-Temp website . Simply print and cut out the appropriate label from the templates linked to here, pull off the control knob, peel off the standard label, glue the new label to your Z-Temp, and replace the control knob. They look great printed on inkjet or laser transparency sheets available at most stationery stores (flip the artwork first so that the printed side ends up facing the Z-Temp) but it's fine to just print on paper, too.

Remember that the absolute scales only apply if you slice using the Z-ABS profile, and assume that the nominal profile temperature is 275ºC (which it has been in every version of Z-Suite from early days through 1.4.1).

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NOTE: The absolute scales shown here are correct only if the nominal temperature of the Z-

Suite profile used is 275ºC, which is the case for the Z-ABS profile in all recent versions.

Printable versions of these dial nameplate templates are available for download from the Z-

Temp website .

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Temperature Error: Typically < 1ºC, maximum 2ºC (This is the accuracy of the Z-Tempʼs temperature offset settings – it does not include any errors in the M200ʼs sensor or electronics)

Temperature Offset Range: -90 to +60ºC offset from M200 nominal, in sixteen 10-degree steps in normal range; -140 to +10ºC when the low-range option is selected.

ColorTemp™ Indicator Transition Temperatures (±2ºC, excluding any errors in the M200ʼs sensor or electronics):

• < 120ºC – Blue-Green (cold)

• 120 – 190ºC – Blue (heating)

• 190 - 230ºC - Green (PLA)

• 230 - 240ºC - Yellow (Generic ABS)

• 240 - 260ºC - Orange (Generic ABS, Nylon)

• 260 - 280ºC - Red (High-temperature ABS)

• 280 - 290ºC - Pink

• 290 - 300ºC - Purple

• 300+ºC - White

Weight: 31g

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The Z-Temp™ is warranted to perform as described when used as specified herein with the

M200 printer together with Z-Suite 1.4.1 or earlier and M200 firmware 1.0.1 or earlier

(compatibility information is updated with each new release on the Z-Temp website). No warranty is made as to its operation with future versions of Zortrax software or firmware.

The manufacturer and/or seller of the Z-Temp assumes no responsibility for damage to any 3D printer it is used with or any consequential damages of any kind resulting from its use. All risks are assumed by the user.

Use of third-party (non-Zortrax) filament will void the warranty of your Zortrax printer. Use of the

Z-Temp may do so as well.

“Zortrax”, “M200”, and “Z-Suite” are copyright and/or trademarks of Zortrax Sp, Olsztyn, Poland

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