Replace the four (4) BOXZY stepper motor drivers with DRV8255 stepper drivers (OPTIONAL BUT RECOMMENDED), Set the step mode of each X, Y, Z & Extruder stepper motor driver by cutting pins on stepper motor driver board to ground them. BOXZY uses 1/4 step for X & Y motors, 1/8 step for Z motor, and 1/16 step for extruder.
Step #1: UNPLUG THE USB CABLE AND THE 24 VDC POWER SUPPLY FROM THE BOXZY. Stepper motors operate in different step modes, & use different current settings. For BOXZY, X & Y motors go at 1/4 email@example.comA. Z motor goes in 1/8 firstname.lastname@example.orgA. & extruder goes in 1/16 step@1A. The ultimaker 1.5.7 control board clearly labels X , Y, Z & EXTRUDER.
Step #2: Note the location and orientation of the X/Y/Z and Extruder motor drivers plugged into the BOXZY control board. Note the heat sinks are attached to the main chip on the control board. Take SPECIAL NOTE of the location of the potentiometers on each stepper motor driver. Now PULL OUT THE OLDER STEPPER MOTOR DRIVERS.
if using DRV8255, the stepper motor drivers are oriented so that the potentiometers are located on the BOTTOM of the X, Y, and Z stepper motor drivers, and on the TOP of the extruder driver. In this tutorial I ASSUME WE ARE USING DRV8255 DRIVER BOARDS. Remember, if the drivers are PLUGGED IN THE WRONG ORIENTATION, they will FRY.
Step #3A (A4988 ONLY): If replacing the motor driver with A4988 driver boards, set X & Y to 1/4 step by clipping pin MS1& MS3. Set Z to 1/8 step by clipping pin MS3 only, and set the EXTRUDER to 1/16 step, by leaving all pins alone. Pololu ref https://www.pololu.com/product/1182. Plug A 4988 boards back in to BOXZY, Potentiometer down for XYZ,
Step 3B (A4988 ONLY): When plugging A4988 boards back into the BOXZY control board, pay attention to the orientation of the potentiometers of the X, Y, Z, and Extruders. When using the A4988, X/Y/Z have potentiometers oriented UP, & the potnetiometer on extruder orients DOWN. *Remember: DRIVERS WILL FRY IF PLUGGED IN INCORRECT ORIENTATION.
Step #4 (DRV8255 ONLY): If replacing the motor driver with a DRV8255, driver boards, set X & Y to 1/4 step by clipping pin MODE0& MODE2. Set Z to 1/8 step by clipping pin MODE2 only, and set the EXTRUDER to 1/16 step, by clipping MODE0 & MODE1. Pololu ref https://www.pololu.com/product/2133
Step 4B (DRV8255 ONLY): When plugging 8255 boards back into the BOXZY control board, pay attention to the orientation of the potentiometers of the X, Y, Z, and Extruders. When using the 8255, X/Y/Z have potentiometers oriented DOWN, & EXTRUDER has potentiometer oriented UP. *Remember: DRIVERS WILL FRY IF PLUGGED INTO INCORRECT ORIENTATION.
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