The service manual is as described and received the link to the download sooner than expected. Great service, quality product. This site is a big help in the electronics repair business.
Il service manual molto accurato. Rapidi nella risposta
Text excerpt from page 2 (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.