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GCC Technologies S290 Maintenance Manual

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S290/S290LS Maintenance Manual_V6.0
Maintenance Manual
S290/S290LS

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  • Page 1 S290/S290LS Maintenance Manual_V6.0 Maintenance Manual S290/S290LS...

  • Page 2: Table Of Contents

    2.4.1 For S290 ................................. 15 2.4.2 For S290 LS ..............................16 2.5 Pen carriage ................................17 2.5.1 For S290 ................................. 17 2.5.2 For S290 LS (29005506G) ........................18 2.6. Working table ..............................19 2.7. Base Section ................................ 20 2.7.1 For S290-10W ..............................20 2.7.2 For S290LS-JFL ............................
  • Page 3 S290/S290LS Maintenance Manual_V6.0 2.10. Base section side panel (S290) ........................25 Chapter 3: Electrical System .................. 26 3.1 Diagrams ................................26 3.2 S290 MAINBOARD DIAGRAM (5206e M/B)....................29 3.3 Power supply ................................. 30 3.4 Control Panel ................................. 31 Chpater 4 Laser System ..................32 4.1 Introduction of Laser System ..........................
  • Page 4 S290/S290LS Maintenance Manual_V6.0 8.2 Exchanging the X-axis assembly ........................66 8.3 Changing the Y rollers............................68 8.4 Laser Diode/Laser source Replacement ......................69 8.5 RF power supply (generator) replacement....................... 72 8.6 Fiber 20W installation sequence........................72 Chapter 9 Q&A ......................82...

  • Page 5: Chapter 1：Overview

    S290/S290LS Maintenance Manual_V6.0 Chapter 1：Overview 1.1 Introduction This manual is prepared for distributors to maintain or repair S290/S290LS series. 1.2 Safety 1.2.1 Principles of a Fiber Laser LASER is the acronym for Light Amplification by Stimulated Emission of Radiation. A fiber laser is a laser in which the active gain medium is an optical fiber doped with rare-earth elements such as erbium, ytterbium, neodymium, dysprosium, praseodymium, and thulium.
  • Page 6 S290/S290LS Maintenance Manual_V6.0 1.2.3 The Safety Interlock System The laser system is equipped with a safety interlock system utilizing magnetic sensors on the top and side access doors, laser-activation and door LED lights on the control panel. The magnetic sensors will deactivate the laser when either door is opened. At this time, the “door”...
  • Page 7 S290/S290LS Maintenance Manual_V6.0 • Resulting debris from laser cutting are very dangerous and may cause fire hazard.  DO NOT leave debris and scraps inside laser machine after job finished. Must keep machine clean after job finished. W A RNING ・...
  • Page 8 S290/S290LS Maintenance Manual_V6.0 • Ensure the immediate work area of the machine is well-ventilated. Odors, vapors, and dust are by products generated during the laser engraving and cutting process. An exhaust system, vacuum cutting box, and honeycomb table are recommended. Please contact GCC or your local GCC distributor for more information.

  • Page 9: Chapter 2. Machine Overview

    S290/S290LS Maintenance Manual_V6.0 Chapter 2. Machine Overview 2.1 System Overview...
  • Page 10 S290/S290LS Maintenance Manual_V6.0 Parts List : Item Part no. Description 29005019G Base Chassis Assembly - S290 29005237G Unit Chassis - S290 29002548G Working Table 29002532G Y-Axis Rail Assembly (Right) 29002531G Y-Axis Rail Assembly (Left) 29005238G X-Axis Assembly - S290 29005239G Top Cover Assembly - S290...

  • Page 11: Top Cover

    S290/S290LS Maintenance Manual_V6.0 2.2 Top Cover 2.2.1 For S290 10w_20w_40w...
  • Page 12 S290/S290LS Maintenance Manual_V6.0 Parts List : Item Part no. Description 29002533G Tension idle pully assembly 22800924G Y-Axis slideway - Spirit 29002534G Double side mount assembly 22800941G Y-Axis transmit belt wheel - Spirit 20700054G Bearing (F688ZZ) - Spirit 22800950G Y-Axis passive axle center - Spirit...

  • Page 13: For S290 Ls

    S290/S290LS Maintenance Manual_V6.0 2.2.2 For S290 LS Parts List : Item Part No. Description QTY. 29006424G Top Cover assembly 26500166G Window Hinge 29005241G Window Assembly 25700094G Key Switch 23400020G Control panel sticker 24400995G Key board Key Switch to Emergency Stop...

  • Page 14: X-Axis Assembly

    29002539G X-Axis transmit shaft assembly 29002511G X Motor PCB - Spirit 29002540G X-Axis transmission pully assmebly 22800938G X-Axis transmit belt wheel - Spirit 20600076G X Motor belt (2GT-180-10) 29005240g Lens Carriage assembly - S290 22800923G X-Axis slideway - Spirit 29002533G Tension idle pulley assembly...

  • Page 15: For S290 Ls

    S290/S290LS Maintenance Manual_V6.0 2.3.2 For S290 LS Parts List : Item Part No. Description 23301231G linear guide(MGN9C1R800Z0CM<E10>) 22803045G x axis slideway 20600176G Open Steel Filum Belt (U2GT-1794-15) 29002537G X motor assembly 29005107G X motor PCB(AAS I) - Spirit 29005506G Lens carriage Assembly...

  • Page 16: Y-Axis Assembly

    S290/S290LS Maintenance Manual_V6.0 2.4 Y-axis assembly 2.4.1 For S290 Parts List : Item Part no. Description 29002533G Tension idle pulley assembly 22800924G Y- Axis slideway - Spirit 29002534G Double side mount assembly 22800941G Y-Axis transmit belt wheel - Spirit 20700054G...

  • Page 17: For S290 Ls

    S290/S290LS Maintenance Manual_V6.0 2.4.2 For S290 LS Parts List : Item Part No. Description QTY. 29005927G Y-Axis Rail Assembly(left) 29005928G Y-Axis Rail Assembly(right) 29006390G Y Transmit Shaft Assembly 29002537G Y Motor assembly...

  • Page 18: Pen Carriage

    A roller asembly - Spirit 29004278G Wheel spring assembly - Spirit 29002542G Lens for blower assembly 29000706G Hand knobs (M3-16) 22801018G Lens carriage organize - Spirit 29005027G Carriage reflector hold assembly-S290 24400983G Lens carriage frong shingle - Spirit 23300298G Hand knobs (CRKB.M3-6L)

  • Page 19: For S290 Ls (29005506G)

    S290/S290LS Maintenance Manual_V6.0 2.5.2 For S290 LS (29005506G) Item Part no. Description QTY. 22802108G Lens carriage roconnect board - 22801996G Lens carriage Assembly-V2 29006010G Auto focus pin Assembly 29002546G Auto focus seat Assembly 29006426G Carriage Reflector Hold 29002589G 4.0" Focal lens Assembly...

  • Page 20: Working Table

    S290/S290LS Maintenance Manual_V6.0 2.6. Working table Parts List : Item Part no. Description 22800918G Engraving platform - Spirit 22800904G X Ruler - Spirit 22800905G Y Ruler - Spirit...

  • Page 21: Base Section

    2.7.1 For S290-10W Item Part no. Description 29003783G 12V Power Block - Spirit 29005059G DC12V Power Module - Spirit 29004251G Solid laser power supply 29005099G Power board assembly - S290 29005031G S290-10W System assembly 29005032G Base back door assembly - S290...

  • Page 22: For S290Ls-Jfl

    S290/S290LS Maintenance Manual_V6.0 2.7.2 For S290LS-JFL Parts List : Item Part No. Description Q'ty 290111800G 60JFL Laser System Assembly 22802840G Laser board 22802312G Laser front bracket 22801129G Laser front bracket for Synard 228042220G Laser Head Front Holder 202003240G Prism Mounts Assembly...

  • Page 23: Z-Platform

    S290/S290LS Maintenance Manual_V6.0 2.8. Z-platform 2.8.1 For 10W Parts List : Item Part no. Description 24100366G Bearing seat 2070034G Bearing 628ZZ 29002551G Z-axis pulley assembly 22800130G Z-axis crew thread 24401129G Working table bracket - Spirit 22801022G Z-axis table screw...

  • Page 24: For 20W Fiber Laser

    S290/S290LS Maintenance Manual_V6.0 2.8.2 For 20w Fiber laser Parts List : Item Part No Description Quantity 24403509G Base Chassis 22801367G Laser position shaft 22802840G Laser bracket 24403454G Fiber supporter 22900057G SPI-SP-20P-RM-20W Fiber laser (+ RS-232 interface) 24403430G Laser circular 22802839G...

  • Page 25: Mirror 1/Laser Unit

    S290/S290LS Maintenance Manual_V6.0 2.9. Mirror 1/Laser unit Red Pointer Red pointer Mirror 1 29003657G base 29005029G Red beam Prism Mount Beam mirror 20200185G Expander...

  • Page 26: Base Section Side Panel (S290)

    AC plug FU00003A 22300003G Fuse CN00947A 21100184G AC connector EZ00238A 20400005G SSR KSD215AC3 PW00039A 24500023G Power LPS-75-12 DC 12V BK01807A DC 12V module The new version of Spirit series and S290 has new version of side panel (see picture below).

  • Page 27: Chapter 3: Electrical System

    S290/S290LS Maintenance Manual_V6.0 Chapter 3: Electrical System 3.1 Diagrams 10w laser power cable layout diagrams...
  • Page 28 S290/S290LS Maintenance Manual_V6.0 20w Fiber laser power cable layout diagrams...
  • Page 29 S290/S290LS Maintenance Manual_V6.0 S290LS_JFL Fiber Laser power cable layout diagrams...

  • Page 30: S290 Mainboard Diagram (5206E M/B)

    S290/S290LS Maintenance Manual_V6.0 3.2 S290 MAINBOARD DIAGRAM (5206e M/B) Working Table Stepping Motor UV SENSOR AutoFocus PCB Door Switch X- Motor Y- Motor Rotary Attachment Control Panel Y-MOTOR PCB X-MOTOR PCB Power (40V/5V) Power FLASH Parallel Port SRAM Limit Switch...

  • Page 31: Power Supply

    S290/S290LS Maintenance Manual_V6.0 3.3 Power supply 24500006G (24V/8.2A 100W) gives power to Laser Head TEC/Light-Loop Control Board (also called thermal control board). 245001090G Power supply HRP-600-24 600W 24V/27A for S290LS-JFL Series...

  • Page 32: Control Panel

    Load firmware button. (Button is at lower position at default.) Spirit series and S290 use the same control panel, but when the control panel is used on S290-10W, it needs to change the dip switch to lower position (Spirit beta DPSS).

  • Page 33: Chpater 4 Laser System

    S290/S290LS Maintenance Manual_V6.0 Chpater 4 Laser System 4.1 Introduction of Laser System RF cable 23700018G D-Sub cable connector Fiber cable 22100005G D-Sub cable 20901631G BNC Cable ( Laser to M/B ) 20900138G The fiber optic cable is very fragile. When return to GCC for RMA, the cable CANNOT be bent smaller than 20cm diameter.

  • Page 34: How To Measure The Power Output Of A Laser Tube

    (before to mirror 1).But for S290 laser (YVO4), the frequency is different from CO2 laser. The power meter that GCC use is much bigger and more expensive (see two pictures below).

  • Page 35: How Does The Laser Beam Travel To The Working Area

    Optical Alignment NOTE Each LaserPro S290 laser machine is shipped with a single pair of safety goggles. If additional safety goggles are required, please contact GCC directly or an authorized GCC distributor. If you wish to purchase one on your own, please make sure the safety...
  • Page 36 S290/S290LS Maintenance Manual_V6.0 the machine. Select test laser source. Set laser power to about 5%. Remove the protective cover of Mirror 1 and remove Mirror 1. Place a cardboard or paper about 1.5 meters away from the laser source. Fire the laser until you get a small burnt mark on the cardboard. (Determine the laser beam and the red beam are aligned by seeing if the burnt hole is at the exact location of the red beam.
  • Page 37 S290/S290LS Maintenance Manual_V6.0 Step 3: Place a masking tape on the opening before Mirror 3. Move the rail along the Y-axis so that Mirror 3 is close to Mirror 2. Fire the laser and see if the laser beam goes through the center of the circle.
  • Page 38 S290/S290LS Maintenance Manual_V6.0 For S290 (YVO4 laser beam), normal sticker, tape or paper cannot react (cannot see burning point), so the optical alignment needs black paper. Darker color can have better burning point and black is the best color for optical alignment material.

  • Page 39: Chapter 5 Software

    S290/S290LS Maintenance Manual_V6.0 Chapter 5 Software 5.1 How to upgrade the firmware? GCC machines require a firmware uploader program to upload the firmware of machine through USB port. The Firmware Uploader can be downloaded from GCC Distributor Club website :...
  • Page 40 S290/S290LS Maintenance Manual_V6.0 Firmware can be downloaded from GCC Distributor Club http://gccf.gcc.com.tw/distributor/login.aspx Check the version of firmware installed on the machine and the mainboard type first.  Press F4 to enter “Func” page...
  • Page 41 S290/S290LS Maintenance Manual_V6.0 b. Select “Information” c. Press “Down” arrow key to enter the information page, the firmware version and mainboard type will show.
  • Page 42 S290/S290LS Maintenance Manual_V6.0 Firmware Upgrade Process : For older machines: For machines with 5272V1 mainboard equipped which have older firmware installed(*1) , and all machines with 5206E mainboard equipped, please follow below step 1 ~ step 5 to finish the firmware upgrade.
  • Page 43 S290/S290LS Maintenance Manual_V6.0 Step 2. Connect the USB / LPT cable between PC and Laser machine then run firmware uploader Step 3. Pull down the dropdown list of “Select a port”, select the port you want to use to upload the firmware (according to what you did on Step 1)
  • Page 44 S290/S290LS Maintenance Manual_V6.0 Press “Open” to select the firmware file Firmware file is selected. Step 5. Press the “Start” button, the upgrading process will start, wait until the process is done, the machine will reboot automatically. For new version machines (only USB is supported) For machines with 5272V1 mainboard equipped which have new firmware installed, and machines with 5272V2、5272V3 mainboard equipped, please follow below step 1 ~ step 5 to finish the firmware...
  • Page 45 S290/S290LS Maintenance Manual_V6.0 Step .1 Press and hold “F1” and turn on the machine, machine will be boot in “USB Print support” mode. Step .2 Connect the USB cable between PC and Laser machine then run firmware uploader...
  • Page 46 S290/S290LS Maintenance Manual_V6.0 Step 3. Pull down the dropdown list of “Select a port”, select “Common USB-XXXX” Step 4. Press the button “Browse” and select the firmware file you want to upload.
  • Page 47 S290/S290LS Maintenance Manual_V6.0 Press “Open” to select the firmware file Firmware file is selected. Step 5. Press the “Start” button, the upgrading process will start, wait until the process is done, the machine will reboot automatically.

  • Page 48: Chapter 6 Trouble Shooting & Diagnostics

    S290/S290LS Maintenance Manual_V6.0 Chapter 6 Trouble shooting & Diagnostics 6.1 Hidden Diagnostics To enter the hidden Diagnostics menu, hold down the Autofocus button and turn on the machine. There are 11 tests under the hidden diagnostics menu. LCM Key Test LCM Key test will test the functionality of the keys on the keypad.

  • Page 49: Error Messages

    S290/S290LS Maintenance Manual_V6.0 move the pen carriage towards the X and Y sensor flags 6.2 Error messages Error Message What does it mean? What to do? "Laser Tube Error Laser This means that the laser 1. Turn off the machine to allow tube is over heat please tube’s temperature is too...
  • Page 50 S290/S290LS Maintenance Manual_V6.0 Error Message What does it mean ? What to do ? "Machine Moving Limit The Z-platform has 1. Press any key to return the reach upper limit switch reached the top most previous page. please move opposite limit.
  • Page 51 S290/S290LS Maintenance Manual_V6.0 Error Message What does it mean ? What to do ? "Storage total file size out The file being stored 1. Reduce the size of file to be stored to below of 4M bytes. Please exceeds the 4M size limit.

  • Page 52: Check List Update

    S290/S290LS Maintenance Manual_V6.0 6.3 Check List Update Symptom Check list Solution 1, Check if LD temperature is lower (or tune to default setting or change LD higher) than default setting(+/- 1 degree)or Diode power supply cannot change temperature. 2 Check if Laser tube temperature is higher...
  • Page 53 S290/S290LS Maintenance Manual_V6.0 Symptom Check list Solution 1, Check if LD temperature is lower (or tune to default setting or change LD higher) than default setting(+/- 1 degree) or Diode power supply cannot change temperature. 2, Check if Laser tube temperature is higher...
  • Page 54 S290/S290LS Maintenance Manual_V6.0 Symptom Check list Solution 1, Check if LD current is lower (or higher) Tune to default setting or change LD than default setting( +/- 1A) or no current. power supply 2, Check if LD temperature is lower (or...
  • Page 55 S290/S290LS Maintenance Manual_V6.0 Symptom Check list Solution 1, Check if LD current is not stable and cannot keep on default setting( +/- 1A). or Tune to default setting or change LD ODM board JP5 (Pcontrol In) is 0~6v And power supply...

  • Page 56: Chapter 7 Basic Maintenance

    S290/S290LS Maintenance Manual_V6.0 Chapter 7 Basic Maintenance Keeping your laser engraver clean and well maintained will ensure quality output, consistent reliability, and extended product life. Smoke, dust or residue build-up inside the laser system or the mechanical components can cause a reduction in the laser power, irregularities in the motion system, reduced product life cycle, and a host of other avoidable problems.

  • Page 57: Maintaining The Work Table And Motion System

    S290/S290LS Maintenance Manual_V6.0 7.2 Maintaining the Work table and Motion System 7.2.1 Accessing the Work Table and Motion System It will be important to gain full access to the work table and motion system to properly clean and maintain these areas. To do so, you will need to gain access by lifting the SmartLID. You...

  • Page 58: Cleaning The Work Table And Motion System

    S290/S290LS Maintenance Manual_V6.0 WARNING Anytime you have the SmartLID open, always make sure you have properly engaged the SmartLID manual locks on both sides of the metal support rails. Failure to do so may pose a crush risk if any part of your body is within the vicinity of the work area.

  • Page 59: Lubrication Of The Y Rails

    S290/S290LS Maintenance Manual_V6.0 7.2.3 Lubrication of the Y Rails In order to keep the motion system running smoothly, the Y rails of the motion system will need lubrication on a weekly basis. Use a small amount of light grade machine oil or PS2 grease to a paper or cotton towel and apply to the rails.
  • Page 60 S290/S290LS Maintenance Manual_V6.0 Inject 0.1ml of grease to this injection opening inside the linear bearing 1. Open the belt by hand and use cotton swab to clean the linear guide (make sure to clean top, bottom and surface of linear guide).

  • Page 61: Cleaning The Optics System

    S290/S290LS Maintenance Manual_V6.0 Cleaning the Optics System 7.3.1 Removing the Mirrors We recommend that you check the mirrors once or twice a week to see if they require cleaning. If any debris or smoke residue is present, use the following steps to clean them.
  • Page 62 S290/S290LS Maintenance Manual_V6.0 4) Place the mirror back to the optics holder after cleaning. 5) Tighten the thumbscrew. 6) Replace and secure the outer access panel. Mirror 2, 3, 4 These mirrors are located in the work table area of the LaserPro S290LS.

  • Page 63: Cleaning The Mirrors

    S290/S290LS Maintenance Manual_V6.0 Mirror 4 Loosen the three thumbscrews securing the laser carriage panel and remove the laser carriage panel to reveal mirror 4 and the focal lens. 2) Loosen the top thumbscrew to remove mirror 4 (as shown in the picture below).

  • Page 64: Removing And Cleaning The Focal Lens

    S290/S290LS Maintenance Manual_V6.0 5) Repeat the cleaning processes if the mirror is not completely clean after the first attempt. 6) Make sure that the mirror is completely dry before reinstalling it. C A UTION  If the center of the mirror is scratched, contact your GCC LaserPro representatives for replacement.
  • Page 65 S290/S290LS Maintenance Manual_V6.0 4) After cleaning, use a cotton swab to gently dry the focal lens and lens cover. Pull out the focal lens Remove thumbscrew...

  • Page 66: Chapter 8 Components Replacement

    S290/S290LS Maintenance Manual_V6.0 Chapter 8 Components Replacement 8.1 Changing the X rollers To change rollers, simply remove the hex bolts using a size 3 Allen key as shown below. Notice that the roller has a wider side and a narrower side. The narrower side should be closer to...

  • Page 67: Exchanging The X-Axis Assembly

    S290/S290LS Maintenance Manual_V6.0 When installing the new rollers, make sure that we push the roller set towards the pen carriage so that it is positioned against the lens carriage and then tighten the bolts. 8.2 Exchanging the X-axis assembly Remove the screws shown below to remove the cover.
  • Page 68 S290/S290LS Maintenance Manual_V6.0 Remove two hex bolts on each side of the X-axis. Then lift up the X-rail assembly to detach from the mounts.

  • Page 69: Changing The Y Rollers

    S290/S290LS Maintenance Manual_V6.0 8.3 Changing the Y rollers. Detach the X-rail and remove the following screws to completely remove the Y roller holders. Unscrew the following screws to remove the side rollers.

  • Page 70: Laser Diode/Laser Source Replacement

    S290/S290LS Maintenance Manual_V6.0 8.4 Laser Diode/Laser source Replacement Laser Source replacement: To dismount/replace laser source, the process has some steps that are same as replacing laser diode. For dismount/replace laser source, unplug RF cable and D-sub cable and keep the fiber on the laser source side.
  • Page 71 S290/S290LS Maintenance Manual_V6.0 Remove all back screws of LD power supply. Open up the face cover and than you can see the laser diode inside of the LD power supply.
  • Page 72 S290/S290LS Maintenance Manual_V6.0 Fiber Short-circuit with a connector Release the screw to remove the acrylic cover. Use two open end wrench to loose the diode screws and the fiber screw. Before you remove the laser diode, you should remove the fiber optics cable connected to the diode.

  • Page 73: Rf Power Supply (Generator) Replacement

    S290/S290LS Maintenance Manual_V6.0 8.5 RF power supply (generator) replacement. In case of you have to replace the RF power supply due to somehow reason, you can release the only one screw on the left size and pull out the RF power supply a little bit, meanwhile disconnect the power cable and RF cable to replace it.
  • Page 74 S290/S290LS Maintenance Manual_V6.0 1.1 Fix fiber power bracket screw*3. 1.2-1 Fix fiber winding plate screw*3.
  • Page 75 S290/S290LS Maintenance Manual_V6.0 1.2-2 Fix fiber winding plate on correct position (the plastic fix support*2, see arrows below) 2.1 fiber module – Mount the fix bracket on the base plate (screw*4). Fix bracket Base plate...
  • Page 76 S290/S290LS Maintenance Manual_V6.0 2.2 Install protecting shell *2 on fix bracket (screw*2). Put F20W laser tube into protecting shell. The edge of laser tube and protecting shell should be aligned. (see red dotted line)。The laser tube has not fixed yet.
  • Page 77 S290/S290LS Maintenance Manual_V6.0 2.4 Fix the front mirror set screw*2( remove from 10W). 2.5 Put fiber power on it position. The fiber cable face to right.
  • Page 78 S290/S290LS Maintenance Manual_V6.0 2.6 Fix fiber power on power base plate*2 (screw*4)。 Power base plate Power base 2.7 Winding the fiber on winding plate. Fix laser tube base plate(screw*3). Winding plate...
  • Page 79 S290/S290LS Maintenance Manual_V6.0 2.8 Fix winding plate and cover(screw*5). 3.1 The installation for fiber and power cables – 1.Signal cable, 2.Power cable, 3.Fan cable( pay attention to the +/- pole). * The power cables should be fix well and/or pass to the chassis hole(see red dotted line).
  • Page 80 S290/S290LS Maintenance Manual_V6.0 3.2 Fix the power board (screw*4).
  • Page 81 S290/S290LS Maintenance Manual_V6.0 3.3 Installation for 1.Signal cable(for fiber), 4.M/B signal cable, 5.M/B control cable( same as 10W), 6.12V connecting board power cable.
  • Page 82 S290/S290LS Maintenance Manual_V6.0 4.1 Adjust the fan’s position and change the air flow direction (fan*4 and all blow air to outside). 4.2 Tighten the cover for power supply control panel hole (left after remove 10w), screw*4.

  • Page 83: Chapter 9 Q&A

    S290/S290LS Maintenance Manual_V6.0 Chapter 9 Q&A 9.1 How to manually get the precise focal length? 1. Put a stainless steel material on working platform, autofocus on it to have a close focal length.
  • Page 84 S290/S290LS Maintenance Manual_V6.0 2. Draw a 10mm x 50mm square, filled with color. 3. Set the power to 50%~70% 4. Set the Speed to 10%...
  • Page 85 S290/S290LS Maintenance Manual_V6.0 5. Run this raster job. 6. During the job is running, press UP/Down arrow key to lift/drop the working platform 7. At the same time, observe the light generated by the laser on the surface of material and...
  • Page 86 S290/S290LS Maintenance Manual_V6.0 8. If the working platform is on the most precise level, it will bring the brightest light and loudest sound. 9. When you get the brightest light and loudest sound, it means your platform is on the precise focal length, save it to Autofocus setting.

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