dislegal

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• Ok, thanks @Repetier!

  in How do I improve print quality on the underside? Comment by dislegal December 2015
• I'm also getting same error 'Unable to find an entry point named 'glGenBuffers' in DLL 'opengl32.dll'  o Widows10. I  wont to fix it. I managed to solve this in Windows 7 by reinstalling the Intel OpenGL driver for my onboard graphics card.

  in Unable to find an entry point named 'glGenBuffers' in DLL 'opengl32.dll'. Comment by dislegal August 2015
• Thanks for the info @Repetier. FWIW, it was skewing towards the X endstop and away from the Y endstop. However I gave up on the K8200 earlier this week and sold it, and yesterday I bought a Mendel90 - which I'm happy to report is printing exception…

  in Need some help to tweak the prints Comment by dislegal August 2015
• I adjusted the voltages of all stepper drivers to 0.55V. Then the very next print skipped sideways during the first layer. this seems even worse that previously, when it was only skipping sideways many layers into the print It appears from looking a…

  in Need some help to tweak the prints Comment by dislegal August 2015
• After setting max jerk to 15, I still had layers shift. I have checked the tension of the belts - they seem right. Any tighter and it becomes difficult to slide the print bed. I have checked the pulleys and they seem tight on the motor axles. After …

  in Need some help to tweak the prints Comment by dislegal August 2015
• And here I was, getting all cocky! Still have the sideway skipping Occurred after about layer 15-20 on this one.

  in Need some help to tweak the prints Comment by dislegal August 2015
• Thanks to a gentleman (to whom I now owe a beer) over on the Velleman forums, I now know the K8200 stock setup is: 1.8° per step 1/16th microstepping 5.08mm belt pitch Tooth count 10 Which results in 62.9921 steps/mm on X and Y axes. Once I set the…

  in Need some help to tweak the prints Comment by dislegal August 2015
• I've tried to calculate the X and Y steps per mm - I count 10 teeth per pulley. When I input 10 teeth into the Repetier Host belt calculator, it tells me to make it 160 steps per mm, however I did try this setting and it was way off (sped right to t…

  in Need some help to tweak the prints Comment by dislegal August 2015
• Excellent! Found a continuity issue in the Z endstop wiring, resoldered all of the connections in the circuit and it roared into life!!! Woohoo! Thank you all for the help in solving this!!! Especially @Repetier for taking the time to answer my ma…

  in Unresponsive Z-axis end stop and wrong homing direction - K8200/Repetier Comment by dislegal July 2015
• I think we're onto something here! So using the M119 command, and plugging and unplugging the endstop wires from the board, I can see that X and Y are responding correctly. X and Y both show value "H" when the endstop is hit, and when I disconnect …

  in Unresponsive Z-axis end stop and wrong homing direction - K8200/Repetier Comment by dislegal July 2015
• I've started a new topic here with a clearer listing of what my problems are and what my hardware/firmware combo are. Thanks for all the help in this thread but since I didn't explain myself clearly, I think it's become a little unclear for anyone w…

  in @$%&*#! Nearly ready to throw the printer out the window! Comment by dislegal July 2015
• I now have Z axis manual movement in both directions working. (Don't ask me how, but it's working!) Remaining problems:1. Z axis ignores the endstop when being moved manually.2. Z axis homing is still in the wrong direction (moves up instead of down…

  in @$%&*#! Nearly ready to throw the printer out the window! Comment by dislegal July 2015
• The plot thickens. After adjusting the firmware to 2560 steps per mm for the Z axis and reflashing it, I can now manually move the Z axis up. Pressing down does not work (but it's also no longer making a weird high-pitched noise). Pressing Z home mo…

  in @$%&*#! Nearly ready to throw the printer out the window! Comment by dislegal July 2015
• Are you having similar issues to me @LouGeezer, or something else entirely? What really frustrates me is that mine was working well up until the Marlin firmware got corrupted

  in @$%&*#! Nearly ready to throw the printer out the window! Comment by dislegal July 2015
• @dislegal:  I feel your frustration.  I've not yet got my printer working.  After over 6 weeks of "almost" there, I've had one print that completed, with horrendous quality.  I, too, am using an Arduino Mega 2650 with RAMPS 1.4, as are a great many …

  in @$%&*#! Nearly ready to throw the printer out the window! Comment by dislegal July 2015
• Your z axis steps per mm is set to 80. If I remember right the K8200 has rods so that value would normally 2560 for M8 rods with 1/16 stepper driver setting. With 80 you will barely see any movements. Oh thanks!. Chaning Z-axis steps per mm from 80 …

  in @$%&*#! Nearly ready to throw the printer out the window! Comment by dislegal July 2015
• Bed Heat ManagerBed PID drive maxBed PID drive minBed PID P-gainBed PID I-gainBed PID D-gainBed PID max valueEnable retraction conversionRetraction lengthRetraction speedRetraction z-liftExtra extrusion on undo retractRetraction undo speedExtr.1 ste…

  in @$%&*#! Nearly ready to throw the printer out the window! Comment by dislegal July 2015
• Here's an export of my EEPROM data as output by Repetier Host. Does this help diagnose my Z-axis issues? BaudrateFilament printedPrinter activeMax. inactive timeStop stepper after inactivityX-axis steps per mmY-axis steps per mmZ-axis steps per mmX-…

  in @$%&*#! Nearly ready to throw the printer out the window! Comment by dislegal July 2015
• Also, FWIW, I just tested the voltages of the stepper motor drivers - they're all at 0.88V.

  in @$%&*#! Nearly ready to throw the printer out the window! Comment by dislegal July 2015
• My Y axis homing stops when it hits the end stop and slowly moves back a little then into place. My X axis homing now hits the end stop and jumps/smashes for a little bit. Further tweaking between the Repetier Firmware and Repetier Host has both X a…

  in @$%&*#! Nearly ready to throw the printer out the window! Comment by dislegal July 2015
• x axis homing - you can change homing direction or move direction depending on what is wrong side. Z axis: your start feedrate and/or acceleration are wrong. Use z jerk 0.3 and acceleration 50 and max speed 3mm. When it works you can later try to fi…

  in @$%&*#! Nearly ready to throw the printer out the window! Comment by dislegal July 2015
• Thanks for the tip regarding the EEPROM - I didn't realise that I needed to change that setting each time I configured the firmware, but doing so allowed Host and the printer to talk again! So after making some adjustments, I've got the following wo…

  in @$%&*#! Nearly ready to throw the printer out the window! Comment by dislegal July 2015
• Thanks for the info Repetier. I've given up on trying to get the old board working now - seems the firmware is corrupt... Are you able to assist with instructions for me to get the Repetier Firmware correctly configured please? I've found out the sy…

  in @$%&*#! Nearly ready to throw the printer out the window! Comment by dislegal July 2015
• I've reflashed the new Mega board with v0.92.3 Repetier Firmware. I now have the LCD module working, and I can turn the fan on and off using the rotary encoder. I can also make the X and Y axes move using the rotary encoder (however they travel oppo…

  in @$%&*#! Nearly ready to throw the printer out the window! Comment by dislegal July 2015
• 10:54:15.433 : ok10:54:15.433 : ok10:54:15.433 : N7 M220 S100 *7010:54:15.433 : echo:Attiva Estrusore: 010:54:15.433 : ok10:54:15.433 : Inizio Lista File10:54:15.433 : N8 M221 S100 *7210:54:15.433 : Fine Lista File10:54:15.433 : ok10:54:15.433 : ok1…

  in @$%&*#! Nearly ready to throw the printer out the window! Comment by dislegal July 2015
• 10:54:11.658 : echo:  M206 X0.00 Y0.00 Z0.0010:54:11.658 : echo:PID settings:10:54:11.658 : echo:   M301 P63.00 I2.25 D440.0010:54:12.188 : N1 M110 *210:54:12.188 : N2 M115 *410:54:12.266 : N3 M105 *410:54:12.812 : N4 M111 S6 *6710:54:12.843 : N5 T0…

  in @$%&*#! Nearly ready to throw the printer out the window! Comment by dislegal July 2015
• Just plugged the old board back in. Here are the errors I'm receiving: 10:53:17.263 : OpenGL version:1.1.010:53:17.263 : OpenGL extensions:GL_WIN_swap_hint GL_EXT_bgra GL_EXT_paletted_texture10:53:17.263 : OpenGL renderer:GDI Generic10:53:17.263 : F…

  in @$%&*#! Nearly ready to throw the printer out the window! Comment by dislegal July 2015
• Another update. Some guys on another forum have pointed out that I don't have the original Velleman K8200 motherboard installed. It came with an Arduino Mega 2560 and what I think is a RAMPS board.

  in @$%&*#! Nearly ready to throw the printer out the window! Comment by dislegal July 2015
• Ok here's the latest. I flashed the Marlin firmware (v1) from the Velleman K8200 website. I assumed this wouldn't need any configuration. Then I reinstalled the Velleman custom Repetier-Host software (v0.95). Connection between the PC and the prInte…

  in @$%&*#! Nearly ready to throw the printer out the window! Comment by dislegal July 2015
• Sorry guys - in my frustrated haste I forgot to give you the important info. I've included the Italian errors below. This weekend I will attempt to flash the Marlin firmware from the Velleman website onto the new board. (I had previously downloaded …

  in @$%&*#! Nearly ready to throw the printer out the window! Comment by dislegal July 2015
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