3DPrinting/Prusa-Firmware
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Always raise the extruder 25mm during power recovery

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Avoids oozed material (drooping more than ~1mm) to scrape and
potentially detach the print.
This commit is contained in:
Yuri D'Elia 2020-01-28 22:03:38 +01:00
parent 571906a494
commit 1db024f17a
1 changed files with 7 additions and 4 deletions
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11
Firmware/Marlin_main.cpp
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@ -10798,10 +10798,13 @@ void recover_print(uint8_t automatic) {
// Recover position, temperatures and extrude_multipliers
bool mbl_was_active = recover_machine_state_after_power_panic();
// Attempt to lift the print head on the first recovery, so one may remove the excess priming material.
bool raise_z = (eeprom_read_byte((uint8_t*)EEPROM_UVLO) == 1);
if(raise_z && (current_position[Z_AXIS]<25))
enquecommand_P(PSTR("G1 Z25 F800"));
// Lift the print head 25mm, first to avoid collisions with oozed material with the print,
// and second also so one may remove the excess priming material.
if(eeprom_read_byte((uint8_t*)EEPROM_UVLO) == 1)
{
sprintf_P(cmd, PSTR("G1 Z%.3f F800"), current_position[Z_AXIS] + 25);
enquecommand(cmd);
}
// Home X and Y axes. Homing just X and Y shall not touch the babystep and the world2machine
// transformation status. G28 will not touch Z when MBL is off.