The solutions to the problem that Roglan single-port spring copper sheet cannot be installed are: check whether the copper sheet size is correct or whether the copper sheet is bent or deformed.

1. Check whether the size of the copper sheet is correct: the size of the copper sheet does not match the space to be installed, and it is necessary to replace the copper sheet with the appropriate size.

2. Check whether the copper sheet is bent or deformed: if the copper sheet is bent or deformed, it needs to be repaired or replaced.