Scan Motor Code 0010 0010 and SC 0110

Scan Motor Code 0010 0010 and SC 0110
My Roland SC-545EX stops the printer head on the middle of printing job. The print head doesn’t move to its home position and stacked where the printing was stopped. There where error code displayed on the printer panel says Scan Motor Code 0010 0010 or SC 0110. Please help!
