LASER CLASS 730i/720i/710 Chapter 5: Appendix
5-26
Jumper plug (JP17)
(5) Remove the seven screws and remove the shield plate. (eight screws for LASER
CLASS 730i/720i)
Figure 5-25 Preparation for Installation 2
b-4) Attaching memory boards
(1) To disable memory backup, remove the jumper plug on the SCNT board jumper switch
(JP17).
When the jumper plug is attached to the SCNT board jumper switch (JP17)
even when the power is turned off, the voltage of the vanadium-lithium
secondary battery is still being output to the memory extension connector
(JP17). If a memory board is loaded in this condition, the memory IC will
suffer damage, so be sure to remove the jumper plug.
Figure 5-26 Memory Board Installation 1
Screws
Screws
Shield plate
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