Ricoh IM 550F Field Service Manual page 234

Beforehand
•
Before you begin a procedure, please do the following:
For IM 550F/600F/600SRF, which have fax features, 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 power. Disconnect the power cord and network cable. For IM
550F/600F/600SRF, disconnect the telephone line.
•
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.
•
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 of the machine has been turned OFF, the power is supplied to the
controller board until the HDD unit has been shut down safely.
4.Replacement and Adjustment
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