So Ich danke euch beiden erst einmal dafür das ihr mir helfen wollt.
Stiffler06: USB Kabel hab ich schon getauscht. Hat nix gebracht. Und ich benutze keine Hubs, hatte auch noch nie welche.
Siffler06 & Grinch74: Baudrate ist bei 115200 eingestellt. Laut der Gebrauchsanweisung von Geeetech muss das so sein unter RepHost.
Mein Drucker reagiert wieder warum auch immer. Hab ihn angesteckt und mal spaßeshalber Baudrate auf 25000 gemacht hat nix geholfen. Dan hab ich unter Port bei RepHost Com03, wieder auf Auto umgestellt. Not aus und Reset gemacht. Danach hat er noch par mal rum gemacht mit Error. Dan ging es wieder. Echt komisch. Es geht zwar wieder aber ich bekomme noch Error Meldungen in ReHost.
Ich glaub auch kaum das es daran lag das ich von COM03 auf Auto umgestellt habe. Hatte Eigl immer Auto drin. Com03 war noch von letztem mal Probieren eingestellt.
Hier mal meine Kopie. Wurde 3 Mal neu verbunden.
20:19:46.235 : No start signal detected - forcing start
20:19:46.251 : N1 M110*34
20:19:46.251 : N2 M115*36
20:19:46.251 : N3 M105*36
20:19:46.251 : N4 M114*35
20:19:46.266 : N5 M111 S6*98
20:19:46.282 : FIRMWARE_NAME

TM32_3D V1.1 PROTOCOL_VERSION:V1.0 MACHINE_TYPE:JIETAI-PI3 EXTRUDER_COUNT:1 UUID:00000000-0000-0000-0000-000000000000
20:19:46.282 : ok
20:19:46.282 : N6 T0*60
20:19:46.329 : echo

D init fail
20:19:46.345 : echo:Unknown command:
20:19:46.345 : ok
20:19:46.345 : N7 M20*22
20:19:46.360 : ok
20:19:46.360 : ok
20:19:46.360 : N8 M80*19
20:19:46.360 : N9 M105*46
20:19:46.376 : ok
20:19:46.376 : N10 M111 S6*86
20:19:46.391 : ok
20:19:46.391 : ok
20:19:46.391 : N11 T0*10
20:19:46.454 : echo

D init fail
20:19:46.470 : echo:Unknown command:
20:19:46.470 : ok
20:19:46.470 : ok
20:19:46.516 : FIRMWARE_NAME

TM32_3D V1.1 PROTOCOL_VERSION:V1.0 MACHINE_TYPE:JIETAI-PI3 EXTRUDER_COUNT:1 UUID:00000000-0000-0000-0000-000000000000
20:19:46.516 : ok
20:19:46.516 : N12 M111 S6*84
20:19:46.532 : N13 T0*8
20:19:46.532 : ok B:15.8 /0.0 T0:18.3 /0.0 T1:18.3 /0.0 T2:0.0 /0.0 @:0 B@:0
20:19:46.579 : ok
20:19:49.313 : N14 M105*18
20:19:49.329 : Error: Line Number is not Last Line Number+1, Last Line: 1
20:19:49.329 : Resend: 2
20:19:49.345 : Resend: N2 M115*36
20:19:49.345 : Resend: N3 M105*36
20:19:49.345 : ok
20:19:49.345 : Resend: N4 M114*35
20:19:49.345 : Resend: N5 M111 S6*98
20:19:49.345 : Resend: N6 T0*60
20:19:49.345 : Resend: N7 M20*22
20:19:49.376 : FIRMWARE_NAError: Line Number is not Last Line Number+1, Last Line: 5
20:19:49.376 : Resend: 6
20:19:49.407 : Resend: N6 T0*60
20:19:49.407 : Resend: N7 M20*22
20:19:49.407 : ok
20:19:49.407 : Resend: N8 M80*19
20:19:49.407 : Resend: N9 M105*46
20:19:49.407 : Resend: N10 M111 S6*86
20:19:49.407 : Resend: N11 T0*10
20:19:49.407 : ME

TM32_3D V1.1 PROTOCOL_VERSION:V1.0 MACHINE_TYPE:JIETAI-PI3 EXTRUDER_COUNT:1 UUID:00000000-0000-0000-0000-000000000000
20:19:49.407 : ok
20:19:49.407 : ok
20:19:49.407 : Resend: N12 M111 S6*84
20:19:49.407 : ok B:15.8 /0.0 T0:18.6 /0.0 T1:18.6 /0.0 T2:0.0 /0.0 @:0 B@:0
20:19:49.407 : Resend: N13 T0*8
20:19:49.407 : X:0.000Y:0.000Z:0.000E:0.000
20:19:49.407 : ok
20:19:49.407 : ok
20:19:49.407 : Resend: N14 M105*18
20:19:49.423 : Error: Line Number is not Last Line Number+1, Last Line: 5
20:19:49.423 : Resend: 6
20:19:49.454 : ok
20:19:49.454 : Resend: N6 T0*60
20:19:49.454 : Resend: N7 M20*22
20:19:49.454 : Resend: N8 M80*19
20:19:49.454 : Resend: N9 M105*46
20:19:49.454 : Resend: N10 M111 S6*86
20:19:49.454 : Resend: N11 T0*10
20:19:49.454 : Error: Line Number is not Last Line Number+1, Last Line: 5
20:19:49.454 : Resend: 6
20:19:49.470 : Resend: N6 T0*60
20:19:49.470 : ok
20:19:49.470 : Resend: N7 M20*22
20:19:49.470 : Resend: N8 M80*19
20:19:49.470 : Resend: N9 M105*46
20:19:49.470 : Resend: N10 M111 S6*86
20:19:49.470 : Resend: N11 T0*10
20:19:49.485 : Error: Line Number is not Last Line Number+1, Last Line: 5
20:19:49.485 : Resend: 6
20:19:49.501 : ok
20:19:49.501 : Resend: N6 T0*60
20:19:49.501 : Resend: N7 M20*22
20:19:49.501 : Resend: N8 M80*19
20:19:49.501 : Resend: N9 M105*46
20:19:49.501 : Resend: N10 M111 S6*86
20:19:49.501 : Resend: N11 T0*10
20:19:49.501 : Error: Line Number is not Last Line Number+1, Last Line: 5
20:19:49.501 : Resend: 6
20:19:49.516 : ok
20:19:49.516 : Resend: N6 T0*60
20:19:49.516 : Resend: N7 M20*22
20:19:49.516 : Resend: N8 M80*19
20:19:49.516 : Resend: N9 M105*46
20:19:49.516 : Resend: N10 M111 S6*86
20:19:49.516 : Resend: N11 T0*10
20:19:49.516 : Error: checksum mismatch, Last Line: 6
20:19:49.516 : Resend: 6
20:19:49.532 : Resend: N6 T0*60
20:19:49.532 : Resend: N7 M20*22
20:19:49.532 : ok
20:19:49.532 : Resend: N8 M80*19
20:19:49.532 : Resend: N9 M105*46
20:19:49.532 : Resend: N10 M111 S6*86
20:19:49.532 : Resend: N11 T0*10
20:19:49.532 : Error: Line Number is not Last Line Number+1, Last Line: 5
20:19:49.548 : Resend: 6
20:19:49.563 : Resend: N6 T0*60
20:19:49.563 : ok
20:19:49.563 : Resend: N7 M20*22
20:19:49.563 : Resend: N8 M80*19
20:19:49.563 : echo

D init fail
20:19:49.563 : Resend: N9 M105*46
20:19:49.563 : Resend: N10 M111 S6*86
20:19:49.563 : ok
20:19:49.563 : Resend: N11 T0*10
20:19:49.563 : Error: Line Number is not Last Line Number+1, Last Line: 5
20:19:49.563 : Resend: 6
20:19:49.579 : Resend: N6 T0*60
20:19:49.579 : ok
20:19:49.579 : Resend: N7 M20*22
20:19:49.579 : Resend: N8 M80*19
20:19:49.579 : Resend: N9 M105*46
20:19:49.579 : Resend: N10 M111 S6*86
20:19:49.579 : Resend: N11 T0*10
20:19:49.579 : Error: checksum mismatch, Last Line: 6
20:19:49.579 : Resend: 6
20:19:49.595 : Resend: N6 T0*60
20:19:49.595 : ok
20:19:49.595 : Resend: N7 M20*22
20:19:49.595 : Resend: N8 M80*19
20:19:49.595 : Resend: N9 M105*46
20:19:49.595 : Resend: N10 M111 S6*86
20:19:49.595 : Resend: N11 T0*10
20:19:49.610 : Error: Line Number is not Last Line Number+1, Last Line: 5
20:19:49.610 : Resend: 6
20:19:49.626 : Resend: N6 T0*60
20:19:49.626 : ok
20:19:49.626 : Resend: N7 M20*22
20:19:49.626 : Resend: N8 M80*19
20:19:49.626 : Resend: N9 M105*46
20:19:49.626 : Resend: N10 M111 S6*86
20:19:49.626 : ok
20:19:49.626 : Resend: N11 T0*10
20:19:49.626 : Error: Line Number is not Last Line Number+1, Last Line: 7
20:19:49.626 : Resend: 8
20:19:49.641 : Resend: N8 M80*19
20:19:49.641 : ok
20:19:49.641 : Resend: N9 M105*46
20:19:49.641 : Resend: N10 M111 S6*86
20:19:49.641 : Resend: N11 T0*10
20:19:49.641 : Resend: N12 M111 S6*84
20:19:49.641 : Error: Line Number is not Last Line Number+1, Last Line: 7
20:19:49.641 : Resend: 8
20:19:49.657 : ok
20:19:49.657 : Resend: N8 M80*19
20:19:49.657 : Resend: N9 M105*46
20:19:49.657 : Resend: N10 M111 S6*86
20:19:49.657 : Resend: N11 T0*10
20:19:49.657 : Resend: N12 M111 S6*84
20:19:49.673 : Error: Line Number is not Last Line Number+1, Last Line: 12
20:19:49.673 : Resend: 13
20:19:49.688 : Resend: N13 T0*8
20:19:49.688 : ok
20:19:49.688 : Resend: N14 M105*18
20:19:49.688 : Error: checksum mismatch, Last Line: 13
20:19:49.688 : Resend: 13
20:19:49.704 : Resend: N13 T0*8
20:19:49.704 : ok
20:19:49.704 : Resend: N14 M105*18
20:19:49.720 : Error: Line Number is not Last Line Number+1, Last Line: 12
20:19:49.720 : Resend: 13
20:19:49.735 : Resend: N13 T0*8
20:19:49.735 : ok
20:19:49.735 : Resend: N14 M105*18
20:19:49.751 : echo

D init fail
20:19:49.751 : oError: Line Number is not Last Line Number+1, Last Line: 12
20:19:49.751 : Resend: 13
20:19:49.782 : Resend: N13 T0*8
20:19:49.782 : ok
20:19:49.782 : Resend: N14 M105*18
20:19:49.782 : k
20:19:49.782 : ok
20:19:49.782 : ok B:15.8 /0.0 T0:18.4 /0.0 T1:18.4 /0.0 T2:0.0 /0.0 @:0 B@:0
20:19:49.782 : ok
20:19:49.782 : ok
20:19:49.782 : ok
20:19:49.798 : Error: Line Number is not Last Line Number+1, Last Line: 12
20:19:49.798 : Resend: 13
20:19:49.813 : Resend: N13 T0*8
20:19:49.813 : ok
20:19:49.813 : Resend: N14 M105*18
20:19:49.813 : ok
20:19:49.829 : ok B:15.8 /0.0 T0:18.4 /0.0 T1:18.4 /0.0 T2:0.0 /0.0 @:0 B@:0
20:19:52.360 : N15 M105*19
20:19:52.376 : ok B:15.8 /0.0 T0:18.4 /0.0 T1:18.4 /0.0 T2:0.0 /0.0 @:0 B@:0
20:19:55.423 : N16 M105*16
20:19:55.438 : ok B:16.0 /0.0 T0:18.7 /0.0 T1:18.7 /0.0 T2:0.0 /0.0 @:0 B@:0
20:19:58.485 : N17 M105*17
20:19:58.501 : ok B:15.8 /0.0 T0:18.6 /0.0 T1:18.6 /0.0 T2:0.0 /0.0 @:0 B@:0
20:20:01.548 : N18 M105*30
20:20:04.626 : N19 M105*31
20:20:07.689 : N20 M105*21
20:20:10.751 : N21 M105*20