I had a problem with the mains transformer, I did not know the voltages on the secondary, this manual helped me to solve this problem, thanks for the manual!
Well done scan of a useful manual. It will be useful in my workbench!!
Text excerpt from page 4 (click to view)
Precaution to replace Optical block (SF-P101NR)
Body or clothes electrostatic potential could ruin laser diode in the optical block. Be sure ground body and workbench, and use care the clothes do not touch the diode. 1) After the connection, remove solder shown in the right figure.