Service manual

Installation Cautions
SM 2-1 D127/D128
Installation
2. INSTALLATION
2.1 INSTALLATION CAUTIONS
 Before installing an optional unit, do the following:
 Print out all messages stored in the memory, all user-programmed items, and a system
parameter list.
 If there is a printer option on the machine, print out all data in the printer buffer.
 Turn off the main switch and disconnect the power cord, the telephone line, and the
network cable.