Xerox 6120 Guide De Référence

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Replacing the Battery Backup 
197
Install a new backup battery.
"
When installing the new 
backup battery, make 
sure that the + side faces 
up.
Attach the hard disk to the 
printer controller board.
Reinstall the panel and tighten the screw.
"
If you removed the duplex unit in step 1, reinstall it.
Reconnect all interface cables.