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    Continue print after power cut, after manually homing first

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    • CozyPundefined
      CozyP
      last edited by

      Hi all,

      I was wondering if there is a feature, where after power loss, I visit my printer, do the homing manually and then initiate onto printing continuation??

      I don't want the machine to automatically resume the print, because there is no solution for Z0 accurate homing.

      Is there a command, which can ''resume print'', after I have homed all my axes manually??

      Thank you for your time

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      • dc42undefined
        dc42 administrators
        last edited by

        Have you read https://duet3d.dozuki.com/Wiki/Setting_up_to_resume_a_print_after_a_power_failure ?

        Duet WiFi hardware designer and firmware engineer
        Please do not ask me for Duet support via PM or email, use the forum
        http://www.escher3d.com, https://miscsolutions.wordpress.com

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        • CozyPundefined
          CozyP
          last edited by

          yes I have. I have read all the posts regarding the printer continuation after power failure.

          All of them discuss auto-homing preferences.
          If I just create this file and leave it blank empty, won't I be able to resume printing even after I home manually?

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          • Phaedruxundefined
            Phaedrux Moderator
            last edited by

            @dc42 said in Continue print after power cut, after manually homing first:

            https://duet3d.dozuki.com/Wiki/Setting_up_to_resume_a_print_after_a_power_failure

            You can setup your ressurect-prologue.g macro to home the printer however you like, including manually.

            At the very least, your sys/resurrect-prologue.g file must do the following:

            Home the printer, without crashing the head into the print. On a delta, or on a Cartesian or CoreXY printer with a Z max homing switch, you can home all axes. On other types of printers you may have to skip homing Z and use a G92 command to tell the printer the current Z coordinate. If you choose not to home an axis, then even if the print head hasn't moved since power down, the motor positions will change by up to 4 full steps compared to their position at power down. Note: recent firmware versions write a G92 command containing the coordinates at the time of failure into resurrect.g, just before the call to resurrect-prologue.g. So you may get away without homing axes. But it is still best to home any axes that you can (typically X and Y on a cartesian or CoreXY printer).

            Z-Bot CoreXY Build | Thingiverse Profile

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