3.3. OPTIONAL UNITS
I
CAUTION
Before installing an optional unit, do the following.
1. Print out all the messages stored in the memory.
2. Print out the lists of user programmed items and the system
parameter list.
3. Turn off the main switch, and disconnect the power plug.
3.3.1. Counter
[A]
H165i501.wmf
Remove the inner cover [A].
[B]
[C]
[D]
H165i502.wmf
Remove the small cover [B] from the in-
ner cover, and install the counter [C].
Connect the harness [D] to the FDU,
then put back the inner cover [A].
Plug in the machine and turn on the
main switch.
Make some copies and check if the
counter works. If it does not, check the
connection from the counter to the FDU.
INSTALLATION
May 22nd, 1995
OPTIONAL UNITS
3-2