¶ Troubleshooting guide
The fault code 11521 is reported because the material box motor fails to return to zero and the power switch of the multi-color box (ACE Pro) needs to be restarted.
¶ Troubleshooting step：
¶ Step 1：
If an error occurs during printing, please restart the power switch of the multi-color box (ACE Pro).
¶ 2.Other issues
If the previous troubleshooting methods were unsuccessful in resolving the issue. we recommend that you create a support ticket. The after-sales engineers will assist you in finding a solution to the problem(Reply time :1 working day)
Please click this link to submit your ticket:
After-sales Ticket Submission Page