Part 5 - Touch Screen Interface

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The Pegasus Touch comes equipped with a touch screen interface on the front of the machine. From this screen you can monitor prints, pause and stop prints, configure network settings, calibrate the printer and print models directly from the FSL3D App Store. The screen will also provide you with critical information such as lid open warnings and resin refill warnings.

Figure 5-1: The Pegasus Touch home screen.

The top left icon opens the FSL3D App Store. The Ethernet icon in the top center-right opens up the network configuration window. The gear in the top right opens up the calibration screen.

Print Monitoring

When the printer is in an active print job, a screen is displayed which allows the user to monitor the job. In the bottom left of this screen, the elapsed time and expected total time are displayed. The screen also lists how many slices are left to print out of the total number of slices.

Figure 5-2: An image of the Pegasus Touch Screen during Printing.

Pause/Play and Stop

The user can pause, resume and stop jobs by pressing the two buttons in the top right of the screen. When the stop button is pressed, the printer will cease lasing and slowly raise the build platform up to where the head can be safely dismounted.

Network Settings

The printer can be wirelessly connected to your home network using a USB WiFi dongle. The WiFi settings can be input directly from the printer via the network settings menu. To access the network settings, tap the Ethernet or WiFi connectivity icon in the top center-left of the home screen. In some cases, you may need to connect your USB WiFi dongle before powering on the unit.

Laser Calibration

WARNING: Misuse of the Laser Calibration Screen can permanently damage your printer. Generally, you should not have to use the Calibration Screen unless directed to by FSL3D customer support.

The printer's laser may be re-calibrated manually. A printable calibration sheet file is available at This sheet consists of a collection of twenty-five dots that span the build area of the Pegasus Touch. To perform calibration, print the calibration sheet and cut out the square region which fits into a resin vat. Place the sheet in a resin vat and optionally tape it in place. Insert the resin vat into the printer and close the printer's lid. Next you will need to steer the laser to each of the 25 calibration points in the proper order. Turn on the laser by pressing the "Laser On" button in the top right. The laser should glow brightly on the inserted sheet of paper. Pressing "Laser Hold" will dramatically reduce the brightness of the laser and may help you to more accurately position the laser on the calibration points. To steer the laser, use the 9 directional buttons in the center-right of the calibration screen. In order to traverse the laser across the build area, it will be necessary to utilize the three laser step sizes available in the bottom right of the calibration screen. Steer the laser to the center of each of the printed dots and press the "Add Point" button. Once the 25 points have been added, press the "Accept" button to compute and store a new calibration table. This will overwrite the previous calibration table. Press the "Close" button when finished or to cancel calibration.

Figure 5-3: The Laser Calibration Screen.

Motor Calibration

WARNING: Misuse of the Motor Calibration Screen can permanently damage your printer. Generally, you should not have to use the Calibration Screen unless directed to by FSL3D customer support.

The printer’s motor may be re-calibrated manually. This will reset the starting z-level of the build plate in future prints. This can become necessary after moving the printer or exposing it to temperature changes. It can also become necessary when changing build heads or vats, especially if the vat has been recoated by the user. To calibrate the motor, lower the build plate using the ‘Motor Down’ button until it nearly touches the vat. Then, finely adjust the build plate level by opening the case and twisting the lead screw manually. The goal is to leave less than 0.5mm of space between the build plate and the vat. Once this is accomplished, press the ‘Set Motor Homing’ button. The motor will then raise the build plate a few centimeters automatically. Verify that the homing has been set accurately by pressing the ‘Test Motor Homing’ button and seeing that the build plate returns to the position hovering slightly above the vat.

Figure 5-4: The Motor Calibration Screen.

FSL3D App Store

The FSL3D logo in the top left of the home screen is a button which opens up the FSL3D App Store. You may only connect to the app store with a working internet connection. From the FSL3D App Store, you may browse printable models and print directly from the web. Models in the FSL3D App Store have been tested and should successfully print on your Pegasus Touch printer.

Previous Section: Part 4 - After Printing

Next Section: Part 6 - Maintenance