Difference between revisions of "TAZ 4"

679 bytes added ,  02:11, 12 June 2022
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The extruder head from the TAZ 3 was transferred onto the TAZ 4 which will presumably make a better 3D printer.  The TAZ 3 will be converted for solder paste dispensing only
The extruder head from the TAZ 3 was transferred onto the TAZ 4 which will presumably make a better 3D printer.  The TAZ 3 will be converted for solder paste dispensing only


The TAZ 4 uses an [https://reprap.org/wiki/Rambo Ultimachine Rambo 1.3L main board]
The TAZ 4 uses an [https://reprap.org/wiki/Rambo Ultimachine Rambo 1.3L main board] and here is the correct [[File:RAMBo_1.3L_Schematic.pdf|RAMBo_1.3L_Schematic]]
[Image:https://reprap.org/wiki/File:Rambo-conn-all.jpg]
[Image:https://reprap.org/wiki/File:Rambo-conn-all.jpg]
The original 14-pin "Extruder 0" connector on the TAZ4 was removed from "Aux Power Mosfet Output" (pins 5/red,6/black), E0 Heat (pins 12,13), E0 Fan (9/black,10/red) and Ground (pin 2), and E0 (3,7,11,14).  The extruder harness from the TAZ3 was installed in it.
The original 14-pin "Extruder 0" connector on the TAZ4 was removed from "Aux Power Mosfet Output" (pins 5/red,6/black), E0 Heat (pins 12,13), E0 Fan (9/black,10/red) and Ground (pin 2), and E0 (3,7,11,14).  The extruder harness from the TAZ3 was installed in it.
The TAZ 4 didn't work because Fuse F3 on the RAMBO main board was missing.  It's supposed to be a [https://www.littelfuse.com/products/fuse-blocks-fuseholders-and-fuse-accessories/fuse-blocks/154.aspx Littelfuse OMNI-BLOK 154 series] and we didn't have any, so I stuck a 5-amp [https://www.digikey.com/en/products/detail/littelfuse-inc/0466005-NR/521341 F1460CT-ND] in there since we have dozens of them in the FUSES bin: [[Image:Taz4_fuse_kludge.jpg|thumb|left]]
And now it turns on and the LCD lights up but i can't get anything to move from the controls.  Tune in next week to see what happens.