"Unknown command / wrong checksum" What kind of Problem it might be?
I have just assembled a Rostock mini and the Repetier-Host got following error while I try to connect the printer. 17:02:31.589 : ok 3 17:02:31.589 : Unknown command: Y0.00 Z0.*?.0000 17:02:31.790 :...
View ArticleRe: "Unknown command / wrong checksum" What kind of Problem it might be?
Did you try re-flashing your firmware? Barring a better suggestion, it seems like a logical first step.....
View ArticleRe: "Unknown command / wrong checksum" What kind of Problem it might be?
Thank you. But the firmware is good. Problem solved by changing the Printer Settings "Reset on Connect" := "DTR low->high->low" .
View ArticleRe: Homing in Marlin
Ok, I did some looking. I still don't see where the LCD menu is processed to see if the selection is the same as doing a G28, but I'm going to assume it does. The G28 command is implemented in...
View ArticleManually calibrating a Rostock
Hello, I'm building a customized Rostock. I've obtained a number of contact points by lowering the print head (I've replaced the nozzle with a Sharpie) to where it just touches the bed. The current...
View Articlefan positioning
I see a lot of fans on the j-heads. Some seem to be positioned to blow on the part being deposited, and some seem to be blowing on the PEEK of the J-head. Some look like both are being cooled. It...
View ArticleRe: 3DR "Simple" Delta Printer
I switched over to using the Tridprinting.com metal spools and I really, really like them. My printed ones were always a little fussy. It was hard to get them so they were completely coaxial, and also...
View ArticleRe: Homing in Marlin
Quoterevwarguy The G28 command is implemented in Marlin.cpp starting at line 996. There is conditional code for Deltas there, since it needs to home up all three axes at once. To do this, it sets the...
View ArticleRe: fan positioning
The one pointing at nozzle is there to cool the printed part and not the nozzle. Cooling the tip of the nozzle is just an unwanted consequence of cooling the printed part around the nozzle.
View ArticleRe: Homing in Marlin
Thanks, Peter, for the reply! Quotehercek Quoterevwarguy The G28 command is implemented in Marlin.cpp starting at line 996. There is conditional code for Deltas there, since it needs to home up all...
View ArticleRe: fan positioning
Quotehercek The one pointing at nozzle is there to cool the printed part and not the nozzle. Cooling the tip of the nozzle is just an unwanted consequence of cooling the printed part around the...
View ArticleRe: fan positioning
revwarguy: Oops, sorry. I misread your post and my response was poor. Often there are two fans with j-head: one cools the hotend itself (its PEEK cooling fins) so that the heat does not creep up the...
View ArticleKossel - all axes calibrated, but height is wrong
Hi, I'm using a mini kossel with first marlin and now reprap-host. I've got all axes calibrated very good, so any print will come out in the correct length and width - but not height! For example, the...
View ArticleRe: New Own Design Printer 'Cherry Pi'
For my Cherry Pi i have been using a granite chopping board from ebay here The unpolished surface is the flattest. Using feeler gauges and a steel rule I guessed the flatness to be around 0.05mm....
View ArticleRe: Kossel - all axes calibrated, but height is wrong
You have probably wrong steps per mm, delta radius and diagonal rod length. Wrong delta radius and diagonal rod length together can partially compensate for wrong steps per mm in XY direction. Level...
View ArticleRe: LISA Simpson
Quick question: do you print the bottom hub piece solid? I printed it 6 shells with 30%, but ended up snapping the main column off the base. It was probably my fault for not being careful enough when...
View ArticleRe: LISA Simpson
I have snapped a couple of these. You can use the hub from GUS after you mirror them or the shoulder mounts. The screw is removable for GUS. (Sorry for not keeping the same chirality as GUS.)
View ArticleRe: New Own Design Printer 'Cherry Pi'
Hi Strelly I started out with a granite chopping board too. The weight really helped keep things stable. I ditched it in favour of a heated bed later but may go back to it at some point. Andy
View ArticleRe: 3DR "Simple" Delta Printer
Just got my replacement Printrboard after my original had the USB port break off and I'm pretty close to printing now, but I'm hitting some snags in getting the firmware right. I've updated the...
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