Interleaf EP5000/EP4000 GENERAL, MECHANICAL/ELECTRICAL
97.04.01
M-97
1156SBM2600A
MEMORY BACKUP26
IC1 (RAM) of RAM Board PWB-R connected to Main Control Board PWB-A stores
the setting/adjustment values set in the Tech. Rep. Modes as well as the counter
counts. Backup Battery BAT1 is mounted on PWB-R to prevent the contents of
memory from being lost when the power cord is unplugged or PWB-R removed from
the copier. BAT1 requires a voltage of 2V or more to retain the contents of memory.
Important
As we noted above, the RAM stores critical data. If PWB-R has been replaced with
a new one, memory must first be cleared and then all settings be made again. It
should also be noted that PWB-R should not be replaced at the same time when
PWB-A is replaced.
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