Specifications

1. Make sure that the main switch is turned off and the power supply cord of
the copier is unplugged.
2. Remove the rear cover [A] (4 screws).
3. Install the three locking supports (long) [B] on the main board [C] and
install the interface board [D].
NOTE: 1. The smaller side [E] of the locking supports must be inserted
through the main board as shown.
2. Be careful not to damage the main board when installing the
locking supports and interface board.
3. After installing the interface board on the main board, confirm the
following items to prevent erratic malfunction.
a. The heads [F] of three locking supports must correctly lock
the main board and interface board together as shown.
b. The connector [G] of the interface board must be
connected properly to the main board.
If erratic malfunction occurs, the memory of the RAM may be all set
to zero. In this case, first you must clear all memory using SP Mode
#99. Then, readjust the data of SP Modes #41, #42, #43, #44, #47,
and #48.
[A]
[E] [C]
[G]
[F]
[C]
[D]
[E]
[D]
[B]
1 December 1990
3-18