Print Centering Problem

When you click home the X-axis should move all the way to the right and stop.
The Y-axis should move all the way to the rear and stop and the Z-axis should move the bed all the way up to the nozzle.
Is that what happens when you click home?

It moved all the way to the back on the Y axis, it moves the bed up and close to the nozzle, but it moved to the center on the Z axis, not the right.

I just tried re-installing Repetier Host and now it moves all the way to the back left corner, not the middle.

My best guess is it thinks the platform is to (my) left of where it really is. No matter what I do it tries to move off the platform to the left.

Z is up and down with the bed.
X is left and right.
Y is front to back.
When you try and move these with the buttons in R-H is that what you get?

"but it moved to the center on the Z axis, not the right"

I meant X, yes that's what I get.

Home is moving it to the back left now and it's still doing the same thing where it thinks it needs to print off the left side of the platform.

So if this isn't the issue there is most likely an end stop not functioning properly.

this my start gcode

G21; set mm units
G28 ;home all axis
G90; set absolute coordinates
G92 E0; reset extruder distance
M104 S230; set extruder temp and start heating
G1 Z5 F300 ;move platform down 5mm
G1 X145 Y145 F3000 ; move to back right corner
M109 S230; wait for extruder temp to be reached
G1 Z[first_layer_height] F200 ;move platform close to nozzle
G1 E7; extruder anchor
G1 F3000; Set Feed rate for first move
G92 E0; reset extrusion distance

"G28 ;home all axis"

When I use that, it moves the extruder about half an inch to the left, it doesn't center on any location, I wonder if that's a clue to what's happening.. it seems like it's just adding in left movements in between everything it does.

Edit: But yeah, I'll compare mine. Thanks a lot guys. I'll be back in a few after I check.

Where can I see a picture of where that is and what it looks like?

Found it... they appear to be ripped apart and tucked under the heat-sync... So I guess that explains something. It looks like the end switch only triggers when it hits the right side of its limit though and my problem is that it's going too far left, I don't see how those could be related but it's definitely weird that the wires are just cut/ripped.

There is no switch on the left side.  It uses the one on the right and starts at 200mm's then it counts down to zero as it moves left.  Once zero is reached it won't go further.  It's how (based on your symptoms) I so quickly narrowed it down to the switch and also why I asked the questions I asked.

It wouldn't have tried to go right as it is.  It thinks it is against the switch right now.  When the switch is triggered it actually opens the switch.  It seems a little backward but that's how it works.  So when it is unplugged or the wires are broken it will only try and move away from the switch (left).