Ricoh D037 Service Manual page 171

4. REPLACEMENT AND ADJUSTMENT
4.1 BEFOREHAND
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.
SM 4-1
Beforehand
D037/D038/D040/D041