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Universal Laser Systems ULS-25PS Operation Manual

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Volume I, Rev. B1
July 1996
OPERATION MANUAL
ULS-25PS / ULS-25PSR
ULS-50PS / ULS-50PSR
Universal Laser Systems, Inc.
16008 North 81st Street
Scottsdale, AZ 85260
Phone: 602-483-1214
Fax: 602-483-5620

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  • Page 1 OPERATION MANUAL ULS-25PS / ULS-25PSR ULS-50PS / ULS-50PSR Universal Laser Systems, Inc. 16008 North 81st Street Scottsdale, AZ 85260 Phone: 602-483-1214 Fax: 602-483-5620 Volume I, Rev. B1 July 1996...
  • Page 2 This publication and its contents are proprietary to Universal Laser Systems Inc., and are intended solely for the contractual use of Universal Laser Systems, Inc. customers. This publication and its contents may not be reproduced or distributed for any other purpose without the written permission of Universal Laser Systems, Inc.

  • Page 3: Table Of Contents

    Table of Contents Section 1 - Safety Laser Safety ..................... 5 Safety Labels ................... 6 The Safety Interlock System ..............7 EMI Compliance ..................8 Section 2 - Installation Unpacking and Assembling the Laser System ......... 9 Operating Environment ................9 Exhaust System Requirements ..............
  • Page 4 Introduction The ULS Performance Series are designed to combine flexibility and full featured performance with simplicity and ease of use. Using advanced engineering and design, these laser systems offer finer control, higher precision, more versatility, better resolution, faster speed, and overall greater quality than any other laser system in its class.

  • Page 5: Section 1 - Safety

    UNPLUG THE MACHINE FIRST. Never operate the laser system without properly exhausting the fumes generated by the cutting and engraving process. Please contact Universal Laser Systems Inc. with any questions concerning laser safety before operating this system. Note: The laser system is specifically designed to comply with CDRH performance requirements under 21CFR 1040.10 and 1040.11.

  • Page 6: Safety Labels

    These labels are not to be removed. If they become damaged or removed for any reason, please request additional labels from Universal Laser Systems (they will be provided free of charge). Below is a list of all the labels and their locations on the system.

  • Page 7: The Safety Interlock System

    The laser system comes equipped with a safety interlock defeat tool. Do not use this tool unless you have been properly trained by Universal Laser Systems Inc. This tool is only to be used for maintenance and repair procedures and should only be used when instructed to do so by Universal Laser Systems Inc.

  • Page 8: Emi Compliance

    Computing Device per FCC part 15, using shielded cables. Shielded cables must be used in order insure compliance with FCC regulations. EU Declaration of Conformity Universal Laser Systems, Inc. hereby declares that the equipment specified below is in conformity with Directive 89/336/EEC based on test results using the harmonized standards listed.

  • Page 9: Section 2 - Installation

    Section 2 - Installation Unpacking and Assembling the Laser System The laser system is shipped in one crate and is fully assembled. Remove the top and four sides of the wooden crate. With the help of an assistant, roll the laser system off the base of the crate and onto the floor.

  • Page 10: Exhaust System Requirements

    Try to have a work table or storage area next to or nearby. This prevents the operator from using this precision machine as a table or storage facility. Make sure that the floor where the laser system will be located is flat within 1/8”...
  • Page 11 We recommend installation of the exhaust system by a licensed contractor to meet safety and local code requirements. Please contact a local air quality control specialist. Having the blower wired to a wall switch, by a licensed electrician, in the same room will make it easy to turn it off and on.

  • Page 12: Water Chiller Installation (50W Co2 Only)

    Water Chiller Installation (50 Watt CO2 Only) Set up the chiller next to the laser system and connect the tubes between the chiller and the laser system. Press the tubes into the connectors and twist the tubes slightly to seat them. Gently tug on the tubes to make sure that they do not come out. Chiller Connections Fluids will have to be added to the chiller.

  • Page 13: Laser System Installation

    CorelDraw 3.0, 4.0, 5.0 (see appendices for anomalies) 600 DPI Optical Resolution Scanner Adobe Photoshop 2.5LE or 3.0 Adobe Streamline (for raster to vector conversion) CAD users do not necessarily need Windows or Windows compatible programs. The laser system is compatible with any program that can output HPGL commands whether it is Windows based or not.

  • Page 14: Installing The Uls Printer Driver For Windows 3.1 Or 3.11

    Installing the ULS Printer Driver for Windows 3.1 or 3.11 Installation of the ULS Printer Driver will allow Windows to interface with the laser system. This driver is installed the same way as most other Windows 3.1 or 3.11 printer drivers and a simple step-by-step installation procedure is outlined below.
  • Page 15 The “Install Driver” dialog box will appear asking for the location of the new driver. Insert the floppy disk containing the ULS Printer Driver into the appropriate disk drive and type in the correct drive letter. Click on “OK” and a new dialog box called “Add Unlisted or Updated Printer” will appear.
  • Page 16 Connect Dialog Box 10. Click on “OK” and the “Printers” Dialog Box will re-appear. Printers Dialog Box 11. Selecting “Set As Default Printer” and “Use Print Manager” are of personal preference. Refer to the Windows manual on how to use Print Manager, desired.

  • Page 17: Installing The Uls Printer Driver For Windows 95

    Driver Settings Dialog Box 13. How to adjust the settings will be covered in a later chapter. Now you MUST click on “OK” in order for the driver to create a file called “Laser.ini” which the driver will install to your c:\windows directory. This file stores all of the driver settings as you change them.

  • Page 18: Installing The Uls Printer Driver For Macintosh

    4. Double-click on the “Add Printer” icon. 5. When the “Add Printer Wizard” appears click “Next”. 6. Select “Local Printer” and click “Next”. 7. When the “Manufacturer” and “Printers” menu list appears click “Have Disk” (Do not look for the printer in the menu) 8.
  • Page 19 Turn on your Macintosh computer and insert the ULS Macintosh driver disk in the computer’s disk drive. Copy the appropriate laser system driver (or the “R” version if you purchased the Rubber Stamp Option) and Engrave Monitor onto your Macintosh computer by dragging these items from the floppy disk folder into the “Extensions”...

  • Page 21: Section 3 - Software Setup And Operation

    Section 3 - Software Setup and Operation Using Graphics Software Page Setup To properly generate and position artwork, most graphics software will permit the customization of the page size and orientation. Set the page orientation, in the graphics software to Landscape, and the page size to a horizontal length of 24 inches(609.6 mm) and vertical height of 18inches(457.2 mm).
  • Page 22 red, green, yellow, blue, magenta, cyan, and orange. Some programs will provide these basic colors pre-defined and other programs may require the creation of each of the colors by defining them in CMYK percentages. If the eight driver colors are not automatically provided in the software, use the chart below to create the eight driver colors by specifying the appropriate CMYK values: COLOR...
  • Page 23 interpret cut lines as filled objects is dependent on the software used. Usually, any line thickness .008 inches (.2 mm) or greater will engrave. The only way to determine the cross over point for line thickness is to experiment with different line widths. Software programs that do not have outline capabilities will not have the ability to cut.
  • Page 24 underneath, the laser system will then engrave out the fill and cut the hidden outline on top of the fill. This is a common occurrence when using pre-drawn ClipArt designed for laser printers. To prevent this from happening, turn on the B/W Raster feature in the driver.
  • Page 25 graphics software. Some basic functions such as cropping, scaling, or mirroring might be possible but it is usually necessary to use an image processing software to perform a dot by dot editing or rotation of the bitmap. Monochrome bitmaps are engraved in the same manner as black filled text. The black area will turn the laser on and the white area turns the laser off.

  • Page 26: The Uls Printer Driver For Windows

    Working with Fonts in the Windows Environment We recommend the use of True Type fonts with the laser system. TrueType fonts are the most versatile and should be used whenever possible. They provide the best print quality and will print well at any size. Other types of fonts might not print correctly to the laser system.
  • Page 27 will highlight the color and allow changing of the settings by using the scroll bars or highlighting out and typing in each setting. It is possible to set one color at a time or click on additional colors to set more than one at a time. Power Setting Laser power is controlled by assigning the percentage of power from 0 - 100% to each color used in the graphic drawing.
  • Page 28 This button must be pressed after adjusting the Power, Speed, and PPI settings in order for these changes to take effect. If forgetting to click on “Set”, and clicking on the “OK” button instead, the settings will go back to the previous ones and will engrave the object with the incorrect settings.
  • Page 29 different shades of gray. The laser system represents different shades of gray by producing a halftone pattern when engraving. The halftone pattern is based upon the Resolution setting of the driver the same way grayscale bitmaps are interpreted. Since ClipArt images use a wide variety of colors, shades, and outlines, the only effective way of engraving these images is to have this switch turned ON.

  • Page 30: Using Dos Based Programs

    The Laser.ini file can be thought of as being a file that stores the current power settings when the “OK” button is pressed. This gives the driver the ability to restore these settings every time the driver is accessed. Without this file, the power settings would have to be entered in every time the graphic is sent to print.

  • Page 31: The Uls Printer Driver For Macintosh

    5. Make sure that you set all of your line widths to .001 inches(.1 mm) otherwise the laser system may go into raster mode instead of the desired vector mode. 6. After every file download, an “End of File” marker must be inserted at the laser system so that the buffer control will work properly.
  • Page 32 The Engrave Monitor Engrave Monitor The Engrave Monitor provides a graphical preview of the printed image and allows you to send the image to the printer or cancel printing at any time during the process by selecting the cancel button. While the image is being printed a pointer travels down the length of the page indicating printing progress and a counter indicates how many bytes of information have been sent.
  • Page 33 Working with Fonts in the Macintosh Environment We recommend the use of True Type Fonts. TrueType fonts are the most versatile and should be used whenever possible. They provide the best print quality and will print well at any size. Post Script fonts will not print correctly on the laser system unless your Macintosh has the Adobe Type Manager (ATM) extension loaded.

  • Page 35: Section 4 - Laser System Operation

    Section 4 - Laser System Operation General System Overview 1. Top Door 9. Parallel and Serial Connectors, 2. Top Door Window 10. Control Panel 3. Top Door Counterbalances 11. Motion System Protective Overhang 4. Exhaust 12. Engraving Table 5. Focus Lens Holder Assembly 13.

  • Page 36: The Control Panel

    The Control Panel The control panel on the laser system provides easy access to all of the controls necessary for cutting and engraving operations. The control panel consists of a liquid crystal display (LCD), indicator lights, buttons, and a laser ON/OFF switch. The control panel is divided into four sections: the Menu Control, Process Control, Laser ON/OFF Control, and Motion Control Systems.
  • Page 37 Menu Control System Flow Chart...
  • Page 38 The “MAIN MENU” The Main Menu will display when the system is first turned on. To access the submenus of the Main Menu System, move the cursor with the arrow keys to the desired submenu and press “SELECT”. The “OPERATION DISPLAY” submenu Then This is the “OPERATIONS DISPLAY”...
  • Page 39 The last two lines show the power setting last used by the laser system. “BLACK” indicates the current power setting color used for all of the portions of the computer artwork which are colored black, “SPEED” indicates the speed of the motion system, “POWER”...
  • Page 40 To access the power settings, press the “SELECT” key when the cursor is on “POWER SETTINGS”, then use the up and down arrow keys to scroll through settings 1 through 8. When the desired power setting number is found, press the “SELECT” key again to bring the cursor over to the left hand side of the display, and proceed to make the adjustments as previously described.
  • Page 41 The “INSERT END-OF-FILE” submenu Then Since the laser system is equipped with a unique way of storing multiple jobs in memory, special provisions are made to distinguish one job from the next. When using the ULS Printer Driver, an end-of-file(EOF) marker is automatically sent to the laser system after each job is downloaded.
  • Page 42 The “DELETE THE FILE” submenu Then Eventually the buffer will fill up with jobs that will need to be removed from memory. It is possible to select each individual job and delete them one at a time. To accomplish this, make the desired job for deletion the current job in the same manner as previously described, then select the “DELETE THE FILE”...
  • Page 43 The “SETUP” submenu Then The “SETUP” submenu allows laser system reconfiguration. Selecting this option will lead to other submenu choices. The “TICKLE” submenu Then Tickle is the term used for small pulses which are fed to the laser to keep the plasma inside energized.
  • Page 44 laser change over several months or several years of operation. Adjustments need only to be done if necessary. There are two main symptoms of a laser that needs Tickle adjustment. Tickle Setting-Low If the Tickle setting is too low, the laser will appear to hesitate before firing. Vectored lines may appear to start off weak at the beginning of the line, get stronger in the middle of the line, then get weak again at the end of the line.
  • Page 45 the shadows still appear, keep reducing the Rate again until it does disappear. If the setting is too low, increase the Rate setting until the shadows appear, then back it off one or two numbers. Once the Tickle is set properly, escape out of the menu and “Retain Settings”...
  • Page 46 The “PORTS” submenu Two ports are provided on the right side of the system for interface with a computer, a serial and a parallel port. Only one port can be used at a time. To activate a port, select “PORTS” from this menu and one of the following sub menus will appear: The menu that appears indicates the currently active port on the laser system.
  • Page 47 The “LOAD DEFAULTS” submenu Then The “LOAD DEFAULTS” submenu on the last line returns the system to its factory default settings. WARNING: Do not select the “LOAD DEFAULTS” menu selection without first consulting a ULS technical support representative. The “DIAGNOSTICS” submenu The “DIAGNOSTICS”...
  • Page 48 displays the current position of the motion system in motion system units. Each unit represents a single step of the motion system motors. Each step is equal to .001 inches. The final two lines are a copyright notice. The “RETAIN SETTINGS” submenu Then By selecting “RETAIN SETTINGS”, and then “YES”, any and all changes made to the display settings will be permanently stored even if power is turned off to the laser...
  • Page 49 PAUSE AND RESUME The “PAUSE” button can be pressed while the system is cutting or engraving a job to pause all operations. When paused, the motion system arm will move to its home position in the upper right corner. When ready to resume operation, press the “RESUME”...

  • Page 50: Loading And Focusing The Laser System

    The Motion Controls The “MOTION CONTROL” section of the control panel enables the user to manually control motion system movement. Pressing and holding down an arrow key will cause the focus lens holder assembly to move in the respective direction. Pressing two adjacent arrow keys will move the assembly in a diagonal direction.
  • Page 51 In order to cut and engrave with precision the laser beam in the laser engraving system is focused to a small spot by the focus lens. There are two ways in which to focus the laser beam. The first is to use the focus tool and the other is to measure the thickness of the engraving material and enter in that thickness into the control panel on the laser system.
  • Page 52 Observe the top of the focusing tool. Now raise the engraving table until the focusing tool just starts to tilt away from the lens holder as shown in the diagram below. Back the engraving table down again slightly so the focusing tool again sets flat against the side of the lens holder.
  • Page 53 The final choice on this menu system is “SET ROTARY AXIS”. The Rotary Fixture Axis is a setting that is pre-set at the factory. The laser system will sense when the Rotary Fixture is plugged in and will position the X-Axis arm directly over the centerline of rotation automatically when it begins to engrave.

  • Page 54: Running A Sample

    Running a Sample The following outline is a step by step procedure used to produce a laser engraved object. Please follow this procedure to understand the steps necessary for laser engraving. Step 1 Turn on the computer and then the laser system. Be sure to turn the equipment on in this order.
  • Page 55 Two attachments come with the fixture, a cone shaped disk attached to the motorized end of the fixture and a flat disk with foam padding attached to the adjustable end of the fixture. These attachments are designed to hold wine glasses, mugs, cups, etc. The following is a step by step procedure in the installation and operation of the Rotary Fixture.
  • Page 56 3. Next, connect the Rotary Fixture control cable to the receptacle on the laser engraving system. If necessary, refer to the diagram at the beginning of this chapter for the receptacle’s location. 4. Before loading the glass into the fixture, measure the diameter of the glass in the area where the engraving is to be located by using a caliper or similar measuring device.
  • Page 57 1. Use the top ruler as a visual aid in referencing the engraving area of the glass. Sometimes using a ruler placed up against the glass and at a right angle to the table rulers will help with determining the engraving area. Note this area because is will be used in designating where to place the graphic on the computer screen.
  • Page 58 Operation of the Rotary Fixture in the Portrait mode 1. The Rotary Fixture can also operate in the Portrait mode providing that the engraving object is not too heavy. The Portrait mode will cause the Rotary Fixture to spin the object back and forth very quickly. The normal Landscape mode will rotate the object very slowly and raster the X-axis arm from left to right very rapidly.

  • Page 59: The Optional Rubber Stamp Feature

    3. Do nothing to the Rotary Fixture inside of the laser. The setup on it is the same as in Landscape mode. Experiment with using both the Landscape and Portrait modes and note the results. NOTE: Remember that the new page size that was established by the driver when the objects diameter was entered in indicates the circumference or distance around the outside of the object.
  • Page 60 Since the driver automatically mirrors the entire page when the “RUBBER STAMP” option is selected, be aware that the stamp will engrave on the opposite side of the page. As an example, position the stamp in the upper right hand corner of the page and place a full sheet of rubber in the upper left side of the engraving area inside the laser system.
  • Page 61 After making all driver selections, print the graphic to the laser system. Start engraving and notice that the stamps are being engraved as a mirrored image and are in the correct position on the rubber sheet. The background area, since it is colored black is being engraved and the letters remain standing up.

  • Page 63: Start-Up Parameters For Various Materials

    Start Up Parameters for Various Materials This section provides driver settings and helpful hints to get started engraving and/or cutting various materials. These settings are to serve as a starting point and are not necessarily optimized for each particular application. There are many variables that can affect the cutting and engraving process such as differences in the thickness of the material, density of the material, composition of the material, and the manufacturing processes used to make the material.
  • Page 64 ACRYLIC - CAST AND EXTRUDED TYPE MACHINE POWER SPEED PASS DEPTH LIGHT RASTER 25 WATT .001” ENGRAVING 50 WATT .001” COMMENTS: Remove original factory masking from the engraving surface. Leave the masking on the non-engraved surface to prevent accidental scratches. TYPE MACHINE POWER...
  • Page 65 ADDITIONAL COMMENTS There are two types of acrylic available, cast and extruded. Cast turns white or frosted and extruded remains clear when engraved. Use extruded acrylic for paint filled engraving and cast for regular engraving. Cast engraves better without masking. Lightly engrave the surface to frost it with a low power setting such as the first setting listed above.
  • Page 66 ACRYLIC - MIRRORED TYPE MACHINE POWER SPEED PASS DEPTH LIGHT RASTER 25 WATT .003” ENGRAVING 50 WATT .003” COMMENTS: Engrave unmasked and on the backside in reverse text. Engraving on the front side of mirrored acrylic will visually produce a double image. TYPE MACHINE POWER...
  • Page 67 ADDITIONAL COMMENTS Engraving mirrored acrylic is similar to engraving regular acrylic. The idea is to engrave through the mirrored backing enough to begin to penetrate into the acrylic. Engraving deeply will cause, a crusty residue to form just like with non-mirrored acrylic. A double image will appear if engraving on the front side of the mirror.
  • Page 68 ANODIZED ALUMINUM TYPE MACHINE POWER SPEED PASS DEPTH RASTER 25 WATT .001” ENGRAVING 50 WATT .001” COMMENTS: The power required is dependent on the thickness of the anodized coating. Do not overpower because the anodized will either be dull in appearance or the engraving lines will be too thick.
  • Page 69 BRASS - COATED TYPE MACHINE POWER SPEED PASS DEPTH RASTER 25 WATT 1000 .002” ENGRAVING 50 WATT 1000 .002” COMMENTS: Engrave unmasked. Use a light setting to engrave through the coating. Using 1000 PPI seems to have a cleaner removal of the coating. Some thicker coated brass will require more power.
  • Page 70 CORIAN or AVONITE TYPE MACHINE POWER SPEED PASS DEPTH RASTER 25 WATT .005” ENGRAVING 50 WATT .005” COMMENTS: Mask first before engraving if planning to paint fill. TYPE MACHINE POWER SPEED PASS DEPTH DEEP RASTER 25 WATT .015” ENGRAVING 50 WATT .015”...
  • Page 71 CORK TYPE MACHINE POWER SPEED PASS DEPTH RASTER 25 WATT .010” ENGRAVING 50 WATT .010” COMMENTS: Engraved unmasked. TYPE MACHINE POWER SPEED PASS DEPTH VECTOR 25 WATT .010” ENGRAVING 50 WATT .010” COMMENTS: Engrave unmasked. TYPE MACHINE POWER SPEED PASS DEPTH VECTOR 25 WATT...
  • Page 72 DELRIN (SEAL PRESS) TYPE MACHINE POWER SPEED PASS DEPTH RASTER 25 WATT .015” ENGRAVING 50 WATT .015” COMMENTS: Engraved unmasked. TYPE MACHINE POWER SPEED PASS DEPTH VECTOR 25 WATT .060” CUTTING 50 WATT .060” COMMENTS: Unmasked. A low PPI setting is used to prevent flaming. ADDITIONAL COMMENTS Making a seal using plastic is revolutionizing the industry.
  • Page 73 GLASS TYPE MACHINE POWER SPEED PASS DEPTH RASTER 25 WATT .001” ENGRAVING 50 WATT .001” COMMENTS: Since glass will not vaporize when laser engraving, it does not require a lot of laser power. TYPE MACHINE POWER SPEED PASS DEPTH VECTOR 25 WATT .001”...
  • Page 74 LEATHER TYPE MACHINE POWER SPEED PASS DEPTH LIGHT RASTER 25 WATT .001” ENGRAVING 50 WATT .001” COMMENTS: Engrave unmasked. TYPE MACHINE POWER SPEED PASS DEPTH DEEP RASTER 25 WATT .010” ENGRAVING 50 WATT .010” COMMENTS: Engrave unmasked. Deeper engraving will require masking to prevent smoke damage.
  • Page 75 MARBLE TYPE MACHINE POWER SPEED PASS DEPTH RASTER 25 WATT .003” ENGRAVING 50 WATT .003” COMMENTS: Engrave unmasked. Too much laser power by running too slowly will engrave too deep and discolor. TYPE MACHINE POWER SPEED PASS DEPTH VECTOR 25 WATT .003”...
  • Page 76 MAT BOARD TYPE MACHINE POWER SPEED PASS DEPTH RASTER 25 WATT .005” ENGRAVING 50 WATT .005” COMMENTS: Engrave unmasked. A low PPI setting is used to prevent discoloration. TYPE MACHINE POWER SPEED PASS DEPTH VECTOR 25 WATT .005” ENGRAVING 50 WATT .005”...
  • Page 77 MELAMINE - STANDARD ENGRAVING TYPE MACHINE POWER SPEED PASS DEPTH RASTER 25 WATT .015” ENGRAVING 50 WATT .015” COMMENTS: Engrave unmasked. TYPE MACHINE POWER SPEED PASS DEPTH DEEP RASTER 25 WATT .020” ENGRAVING 50 WATT .020” COMMENTS: Engrave unmasked. TYPE MACHINE POWER SPEED...
  • Page 78 MELAMINE - PHOTO/CLIPART ENGRAVING TYPE MACHINE POWER SPEED PASS DEPTH RASTER 25 WATT .008” ENGRAVING 50 WATT .008” COMMENTS: Engrave unmasked. Use a resolution of 500 DPI. TYPE MACHINE POWER SPEED PASS DEPTH RASTER 25 WATT .008” ENGRAVING 50 WATT .008”...
  • Page 79 PLASTIC - ENGRAVERS TYPE MACHINE POWER SPEED PASS DEPTH RASTER 25 WATT .003” ENGRAVING 50 WATT .003” COMMENTS: Remove original masking and leave unmasked. Use enough power to remove the surface material and expose the underlying substrate. TYPE MACHINE POWER SPEED PASS DEPTH...
  • Page 80 RUBBER STAMPS TYPE MACHINE POWER SPEED PASS DEPTH RASTER 25 WATT .030” ENGRAVING 50 WATT .030” COMMENTS: Different blends and densities of rubber will engrave to different depths. Test the rubber first to determine the correct power settings. TYPE MACHINE POWER SPEED PASS...
  • Page 81 SIGN VINYL - 3 MIL TYPE MACHINE POWER SPEED PASS DEPTH RASTER 25 WATT .015” ENGRAVING 50 WATT .015” COMMENTS: These parameters are for engraving vinyl on wood. Apply the vinyl to the wood and squeegee out air bubbles. Mask with transfer tape. Engrave deep enough to go through the tape, vinyl, and into the wood.
  • Page 82 WOOD - FINISHED WALNUT TYPE MACHINE POWER SPEED PASS DEPTH RASTER 25 WATT .020” ENGRAVING 50 WATT .020” COMMENTS: Engrave unmasked. If masking, reduce the speed setting to 50% to get the same depth. TYPE MACHINE POWER SPEED PASS DEPTH VECTOR 25 WATT .030”...
  • Page 83 also helps to determine whether the laser has passed completely through since the cut pieces will fall through to the table when cutting is finished. If raising the wood, set up the drawing so that the inner pieces of the drawing are cut first, otherwise pieces may fall through at the wrong time.

  • Page 85: Section 5 - Basic Maintenance

    Section 5 - Basic Maintenance General Cleaning and Maintenance Supplies Keeping the laser system clean will ensure the highest quality engraving. frequency of cleaning will depend entirely on the type of material being engraved, the performance of your exhaust blower, the operating environment, and the amount of laser system usage over a given period of time.

  • Page 87: System Cleaning

    System Cleaning Turn off and unplug the laser system. Open the Top Door and the Front Door. Thoroughly remove all loose dirt and debris from inside the machine with a vacuum cleaner. Clean the Engraving Table surface with either soap solution, alcohol, or acetone, and paper towels.
  • Page 88 Focus Lens Inspection and Cleaning (as necessary) Remove the Thumbscrew from the side of the Focus Lens Holder. Hold the Focus Lens Holder while removing the Thumbscrew so the Focus Lens Holder does not fall. Focus Lens Holder Inspect the Focus Lens while it remains in the Focus Lens Holder by holding it up to a light and looking through it.
  • Page 89 Focus Lens Holder Assembly Place the Focus Lens back into the Focus Lens Holder with the convex side facing upwards. Installing the Focus Lens upside down will result in the engraving being out of focus. Then install the other Nylon Spacer and the Retainer. Make sure that the Focus Lens and the Nylon Spacers are properly aligned as the Retainer is tightened down snugly.
  • Page 90 #2 and #3 Mirror Assemblies 2. Inspect the Mirror for signs of haze or debris. Since the Mirror is larger than it’s Holder, you will notice scratches around the perimeter of the Mirror. This is normal and there is no need for concern. The laser beam reflects off of the middle area of the Mirror and as long as there is not dirt or scratches in the middle, the Mirror will perform correctly.

  • Page 91: Bearing Clearance Adjustments (As Necessary)

    CAUTION The next step is very important. Please follow the directions otherwise a beam misalignment can occur. 7. Install the Thumbscrew, and before tightening it down all the way, gently press your finger against the back side of the Mirror so it rests flush against the Holder (refer to the next diagram).
  • Page 92 X-axis Bearing Adjustment As the X-axis Bearings wear, there could be a reduction in the quality of the image that the laser produces because the Focus Carriage will rock back and forth as it reverses direction. The X-axis Bearing Clearance can be adjusted to remove the looseness and restore quality.
  • Page 93 Y-axis Bearing Adjustment To adjust the Y-axis Bearing Clearance, first make sure the laser system is turned off. Then, by hand, move the arm to the center of the engraving area. Loosen (only slightly) the Lockdown Screws located on the left side of the arm and the right side of the arm as the diagram below illustrates.

  • Page 95: Appendix A - Warranty

    ULS, or in a manner not approved by ULS. Universal Laser Systems reserves the right to request that a ULS Laser Engraving System be returned to the factory for repair, or to provide on-site repair. If determined by ULS that on-site repair is necessary and the nature of the repair is such that ULS believes that it can be done at the customer’s facility, ULS will provide a field service technician free of charge during the...
  • Page 96 Appendix B - ULS-Performance Series Specifications Model Number ULS-25PS or ULS-50PS Maximum Engraving Area 24 x 18 inches (609.6 x 457.2 mm) Maximum Engraving Speed 25 inches per second (635 mm/s) Laser Source 25 Watt C0 2 or 50 Watt C0 2 Laser Beam Spot Size Diameter •...

  • Page 97: Appendix C - Serial Port Cable Requirements

    Appendix C - Serial Port Cable Requirements...

  • Page 98: Appendix D - Laser.ini Modifications

    Appendix D - Laser.ini Modifications Advanced Procedures To speed up the download process to the laser system, a file modification can be made. If the computer being used has 8 or more megabytes of RAM, open up the LASER.INI file in the Windows directory using a text editor. Scroll down to the bottom of the file and type in the following line exactly how it reads: BandKBytes=2000 This line will allow the computer to use more of its memory for printing.

  • Page 99: Appendix E - Software Anomalies

    Appendix E - Software Anomalies In order for certain software to work properly with a Universal Laser System, some modifications might have to be made. If using the following software, be sure to follow these instructions. If having any difficulty making these adjustments, please contact our technical support.
  • Page 100 COREL 5.0 Find the CORELAPP.INI file usually located in the c:\windows\corel50\config\ subdirectory. Open this file up in a text editor such as NOTEPAD, which comes with Windows. Scroll down about 64 lines to find the line that reads: FontRasterizer=1 and change it to read: FontRasterizer=0 Save this file and restart CorelDraw! for the changes to take effect.

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