Beforehand
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Beforehand
• Before installing options, please do the following:
If there is a fax unit in the machine, print out all messages stored in the memory, the lists of
user-programmed items, and the system parameter list.
If there are printer jobs in the machine, print out all jobs in the printer buffer.
Turn OFF the main switch and disconnect the power cord, the telephone line, and the network cable.
• Always touch a grounded surface to discharge static electricity from your hands before you handle SD
cards, printed circuit boards, or memory boards.
• Before you start to remove components from the machine, do the following:
• Turn OFF the main power switch.
• Make sure that the shutdown process has finished and that the LED on the operation panel has turned
OFF.
• Unplug the power cord.
• After the main power switch of the machine has been turned off, the power relay board (SDB) keeps
the power supply to the controller until the HDD unit has been shut down safely.
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