Olivetti PR2 PLUS Service Manual page 144

5. Back off the lock-screws (1) of the motherboard.
1
1
1
1
Printers with serial number 8.xxx.xxx Printers with serial number 1.xxx.xxx
Figure 7 - 31 Fastening screws of motherboard
6. Disconnect the cable of the standard serial interface (1).
1
1
Printers with serial number Printers with serial number
8.xxx.xxx 1.xxx.xxx
Figure 7 - 32 Cable of the standard serial interface
NOTE: if present disconnect the cable of the optional serial interface.
XZAC4219-05
7-24 Service Manual