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Replacing Consumables86
Replacing the Backup Battery
If the backup battery is dead, the printer’s date and time cannot be retained.
Follow the procedure described below to replace the backup battery.
Note
It’s very important to protect the printer controller board and any
associated circuit boards from electrostatic damage. Before performing
this procedure, review the antistatic caution on
Page 136. In addition,
always handle circuit boards by the edges only.
1 Turn off the printer and discon-
nect the power cord and inter-
face cables.
" If the duplex option is
installed, remove it.
2 Using a screwdriver, remove the
screw on the back of the printer.