Rostock autoleveling problem Hello. I have the Rostock mini printer with weight sensor as Z-probe. Sensor works fine, but autolevel doesn't. I use the latest Marlin RC firmware with following options: // The center of the bed is at (X=0, Y=0) #define BED_CENTER_AT_0_0 #define AUTO_BED_LEVELING_BILINEAR // Set the boundaries for probing (where the probe can reach). #define DELTA_PROBEABLE_RADIUS (DELTA_PRINTABLE_RADIUS - 30) #define LEFT_PROBE_BED_POSITION -(DELTA_PROBEABLE_RADIUS) #define RIGHT_PROBE_BED_POSITION DELTA_PROBEABLE_RADIUS #define FRONT_PROBE_BED_POSITION -(DELTA_PROBEABLE_RADIUS) #define BACK_PROBE_BED_POSITION DELTA_PROBEABLE_RADIUS // The Z probe minimum outer margin (to validate G29 parameters). #define MIN_PROBE_EDGE 10 But leveling and printing processes show that the software bed center seems to somehow be not placed on hardware bed center. The violet cube on the picture shows position of the software bed center: Jg0DjBIyc2g.jpg mod_embed_images_loadimage('b976447f8b5e390caceb01aaf1cccb67', '/forum/thumbcache/1f6/8ae/c94/f6b/77f/a55/0c5/73c/1ba/4a5/e7_800x400.png', 'https://pp.vk.me/c639424/v639424113/508e/Jg0DjBIyc2g.jpg', 'https://reprap.org/forum/addon.php?178,module=embed_images,check_scaling=1,url=https%3A%2F%2Fpp.vk.me%2Fc639424%2Fv639424113%2F508e%2FJg0DjBIyc2g.jpg', '', 745101, 800, 400, 'Loading image ...', false); And if you think: "wait, it is not even a cube!" - you're absolutely right :) The green cube shows how the printer used to print before. It's not of a great quality, but a little bit better than now :) If I don't use the autolevel, the cube gets printed on the center of the bed and it is really a cube. The main question is: what's wrong with my firmware config? The full config is here: [github.com] https://reprap.org/forum/read.php?178,745101,745101#msg-745101 Tue, 16 Jun 2026 08:03:51 -0400 Phorum 5.2.23 https://reprap.org/forum/read.php?178,745101,745218#msg-745218 Re: Rostock autoleveling problem https://reprap.org/forum/read.php?178,745101,745218#msg-745218
First print with autolevel:

]]> alpha6 Delta Machines Sat, 04 Feb 2017 06:05:26 -0500 https://reprap.org/forum/read.php?178,745101,745101#msg-745101 Rostock autoleveling problem https://reprap.org/forum/read.php?178,745101,745101#msg-745101
I have the Rostock mini printer with weight sensor as Z-probe. Sensor works fine, but autolevel doesn't.
I use the latest Marlin RC firmware with following options:

// The center of the bed is at (X=0, Y=0)
#define BED_CENTER_AT_0_0

#define AUTO_BED_LEVELING_BILINEAR

// Set the boundaries for probing (where the probe can reach).
#define DELTA_PROBEABLE_RADIUS (DELTA_PRINTABLE_RADIUS - 30)
#define LEFT_PROBE_BED_POSITION -(DELTA_PROBEABLE_RADIUS)
#define RIGHT_PROBE_BED_POSITION DELTA_PROBEABLE_RADIUS
#define FRONT_PROBE_BED_POSITION -(DELTA_PROBEABLE_RADIUS)
#define BACK_PROBE_BED_POSITION DELTA_PROBEABLE_RADIUS

// The Z probe minimum outer margin (to validate G29 parameters).
#define MIN_PROBE_EDGE 10

But leveling and printing processes show that the software bed center seems to somehow be not placed on hardware bed center.
The violet cube on the picture shows position of the software bed center:



And if you think: "wait, it is not even a cube!" - you're absolutely right :) The green cube shows how the printer used to print before. It's not of a great quality, but a little bit better than now :)
If I don't use the autolevel, the cube gets printed on the center of the bed and it is really a cube.

The main question is: what's wrong with my firmware config?

The full config is here: [github.com]
]]> alpha6 Delta Machines Fri, 03 Feb 2017 16:53:12 -0500