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Beforehand

CAUTION

  • 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.

Important

  • Always touch a grounded surface to discharge static electricity from your hands before you handle SD cards, printed circuit boards, or memory boards.