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As you can see, the gap where the toothpaste is supposed to go through is filled with filament on some spots. Also, on the first layer bottom left corner, it looks like the nozzle is sort of dragging over the fresh filament and leaving a trace on it. You have any suggestions on how to properly configure the software or even the printer itself? I'm using Repetier-Host v1.2.1 for MacOS (I can get Windows running on if needed). My nozzle temp is set to 215C and the bed to 105C. Currently using PLA.

Please excuse me for any misspelled words, English is not my first language.

It's been a while since I had my SD2 up and running. Pulled it out to get back into 3D printing. Had some more difficulties than I wanted to deal with with ABS so switched to PLA. This printer and myself included don't have much experience with PLA but it seems less picky than ABS. Prints were coming out nicer and cleaner. Only thing was trying to figure out what temps to use. 170 on the extruder seemed to be working ok and 70 on the bed with a flowrate of 75. If you have recommendations, I'd like to hear what they are.

So here's the problem. The extruder clogged up during a print. Maybe it was some ABS that was still inside and clogged up the hole. I stuck a 1.5mm hex driver down the shaft of the barrel and pushed a bunch of black stuff out. I thought that did the trick but as I pulled up the hex driver, liquid PLA oozed up and got in the hole of the teflon. Has anyone dealt with this type of issue? I tried pushing it down again but no luck. My next step is disassembly but if anyone has experience or knows a better way, please let me know. Hope to share some of my work and mods with you guys once I get Wompus I up and running again.

8 months or so ago, my SD motherboard quit, it was almost 7 years old.  I bought one of these Big Tree Tech boards.  Well, lots has happened since then precluding me from just jumping on it.  I finally got it installed with new plugs. It fires up with no smoke, and Repetier recognizes it, but absolutely no commands respond.   Have been trying to install/update the firmware.  The links with the board directed me to Marlin 2.0 (with corrections) and they don't recommend Arduino.  Instead they use a M$ derivative - MS Visual Studio Code.  I've used Arduino before - took me 4 different machines and about 10 days to upgrade the SD firmware for the E3D - didn't bother for the Lite version.  This visual Studio worked great, lists the entire document and allows access anywhere.  When you are done - mash the compile button and bingo...  I've done all that numerous times, I'm missing something...  Hopefully someone here has a working version of Marlin 2.0 that I could beg, buy, borrow, or steal to get my machine running.  I have some things I really need to develop.

Thanx for any help
Ski

I just rescued an old Solidoodle 2 that someone was throwing out. It has all the original parts, it turns on, etc. Unfortunately the wood bed sled is broken. Anyone have a metal SD2 sled for sale or that they want to get rid of? Alternatively, does anyone know of a good replacement design out there that I can build?

Thanks!

However, when I try to print from the SD card, the printer ignores my command.  The target temps stay at 0 and heating never starts.  When I check the printing status, the machine seems to think it is printing, since the "STOP PRINT" option is available.

I printed a part yesterday with no problem.  I use Cura 4.4.1 as my slicer and have had success in the past (as recently as yesterday).

Help!

I am trying to install a bootloader on my Sanguinololu 1.3a board (with new ATmega1284P) since days!

Here are my previous attempts:

• Arduino IDE 0022 with Sanguino-0023r4 bootloader

• Arduino IDE 0023 with jmgiacalone/sanguino1284p bootloader

• Arduino IDE 1.01 with Sanguino-0101r1 Bootloader

• Arduino IDE 1.01 with Lauszus/Sanguino Bootloader

• Arduino IDE 1.01 with Gen7 Arduino IDE Support 2.1 Bootloader

• Arduino IDE 1.01 with maniacbug/mighty-1284p Bootloader

• Arduino IDE 1.8.7 (TH3DUF_R2) with there integrated Sanguino 1284p Bootloader

• Arduino IDE 1.8.10 with Lauszus/Sanguino Bootloader

• Arduino IDE 1.8.10 with maniacbug/mighty-1284p Bootloader

• aso.

I tried several Fuse-Settings, like '0xD6 LFuse, 0xDA HFuse & 0xFD EFuse' or '0xD7 LFuse, 0xDC HFuse & 0xFD EFuse' or '0xFF LFuse, 0xDE HFuse & 0xFD EFuse' or '0xFF LFuse, 0xDA HFuse & 0xFF EFuse' ...and several  programmers as well 'stk500v1', 'stk500v2', 'Arduino', ...

BTW: I use an Arduino Uni as ISP, and i have used it successfully before with several creality boards. Wired this way...

Target = Sanguinololu 1.3a ICSP

Recently, I tried the following... https://youtu.be/S95-5Ft4RPQ (a horrible video, but without a 16Mhz resonator)

And yet so far no success!

My last try will be the tutorial 'Burning the Sanguino Bootloader using Arduino as ISP' from RepRap. But as I said before I am (still) missing a 16Mhz resonator.

First I got an error like 'ATmega1284p expected' from time to time, but now it just comes:

Yikes!  Invalid device signature. 0x000000

Arduino: 1.8.10 (Windows 10), Board: "Sanguino, ATmega1284 or ATmega1284P (16 MHz)"

C:\Arduino\hardware\tools\avr/bin/avrdude -CC:\Arduino\hardware\tools\avr/etc/avrdude.conf -v -patmega1284p -cstk500v1 -PCOM3 -b19200 -e -Ulock:w:0x3F:m -Uefuse:w:0xFD:m -Uhfuse:w:0xDC:m -Ulfuse:w:0xD7:m 

avrdude: Version 6.3-20190619
         Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/
         Copyright (c) 2007-2014 Joerg Wunsch

         System wide configuration file is "C:\Arduino\hardware\tools\avr/etc/avrdude.conf"

         Using Port                    : COM3
         Using Programmer              : stk500v1
         Overriding Baud Rate          : 19200
         AVR Part                      : ATmega1284P
         Chip Erase delay              : 55000 us
         PAGEL                         : PD7
         BS2                           : PA0
         RESET disposition             : dedicated
         RETRY pulse                   : SCK
         serial program mode           : yes
         parallel program mode         : yes
         Timeout                       : 200
         StabDelay                     : 100
         CmdexeDelay                   : 25
         SyncLoops                     : 32
         ByteDelay                     : 0
         PollIndex                     : 3
         PollValue                     : 0x53
         Memory Detail                 :

                                  Block Poll               Page                       Polled
           Memory Type Mode Delay Size  Indx Paged  Size   Size #Pages MinW  MaxW   ReadBack
           ----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- ---------
           eeprom        65    10   128    0 no       4096    8      0  9000  9000 0xff 0xff
           flash         65    10   256    0 yes    131072  256    512  4500  4500 0xff 0xff
           lock           0     0     0    0 no          1    0      0  9000  9000 0x00 0x00
           lfuse          0     0     0    0 no          1    0      0  9000  9000 0x00 0x00
           hfuse          0     0     0    0 no          1    0      0  9000  9000 0x00 0x00
           efuse          0     0     0    0 no          1    0      0  9000  9000 0x00 0x00
           signature      0     0     0    0 no          3    0      0     0     0 0x00 0x00
           calibration    0     0     0    0 no          1    0      0     0     0 0x00 0x00

         Programmer Type : STK500
         Description     : Atmel STK500 Version 1.x firmware
         Hardware Version: 2
         Firmware Version: 1.18
         Topcard         : Unknown
         Vtarget         : 0.0 V
         Varef           : 0.0 V
         Oscillator      : Off
         SCK period      : 0.1 us

avrdude: AVR device initialized and ready to accept instructions

Reading | ################################################## | 100% 0.02s

avrdude: Device signature = 0x000000 (retrying)

Reading | ################################################## | 100% 0.02s

avrdude: Device signature = 0x000000 (retrying)

Fehler beim Brennen des Bootloaders.
Reading | ################################################## | 100% 0.02s

avrdude: Device signature = 0x000000
avrdude: Yikes!  Invalid device signature.
         Double check connections and try again, or use -F to override
         this check.


avrdude done.  Thank you.

Please help me, I'm getting desperate. What am I doing wrong?

Thanks and best regards,
Chris aka soliuser ;-)

using solidoodle 3 with repetier

Edit: first object was a single wall hollow box for calibration;
now if i try to slice it as a solid box with 10% infill, the perimeters print normal speeds but NOW infill gets stuck at 10 mm/s

https://www.dropbox.com/s/km1eih9v8e8p2 … r.jpg?dl=1

Thanks.

-Kevin

I'm just beginning in the 3d printing world and have been following the instruction through the solidoodle wiki on setting up the software. I installed Ardiuno software, repetier, as well as the python software. I'm just trying to connect my printer to my pc, and every time I try I get an error in repetier saying "The connection failed with the following error: Access to the port 'COM#' is denied.. Make sure your printer is connected, enabled, and connection type is set correct."

I'm not sure what I need to do to fix this error, I've tried googling and it seems to bring me to the same few pages that just follow the same things I've already tried. I used the solidoodle wiki to set the printer settings in repetier as well so I feel that's all correct, but I could be wrong.

Any help with this would be greatly appreciated!

Evan