Technical Bulletin  PAGE: 4/4 
Reissued:30-Apr-13 
Model: Taurus-C1a/C1b (D074/D075) Date: 14-Mar-12 No.: RD074053c 
 
 
 
8.  Confirm the sensors are clean using a flashlight.  Dust on the sensor is hard to detect in room 
light. 
 
9.  Reinstall the unit 
 
10.  Turn the machine on.  Wait until the machine is ready. 
 
11.  Execute SP2-912-001 (Encoder Sn:Adj Light: Adj Light Amt). 
 
12.  Turn the main switch off and then on. 
 
13.  Execute SP2-914-001 (Encoder Sn:Get 1stPhase: Get Phases: Execute All). 
 
14.  Turn the main switch off and then on. 
 
15.  Check the value of SP2-915-001 (Encoder Sn Ctrl Condition: Scale FB Control Enable) 
  If the value is “1”, the feedback control is properly turned on. 
  If the value is “0,” repeat the sensor cleaning procedure. 
 
16.  Execute SP3011-4 (Manual ProCon :Exe: Full MUSIC). 
17.  Exit the SP mode to complete the procedure.