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31 December 1992
6.12 OTHERS
1. When replacing the main board, if the RAM on the old main board is still
usable, remove and place it on the new main board. Then, install the new
main board in the copier.
2. After installing the new main board with a new RAM, clear the RAM mem-
ory by performing the following procedure. (Do not clear RAM memory if
you have placed the old RAM on the new main board.)
1) Turn on the main switch.
2) Turn on the DPS101-5 and 101-8 on the main board.
NOTE: The Call Service ( ), Misfeed (
and Add Toner (
that the correct mode has been selected.
3) Press the Plus or Minus key to display "9" on the Copy Counter
indicator.
4) Press the Copy Exit Way key to clear.
5) Turn off the DPS101-5 and 101-8.
6) Clean the optics, sensors, and inside of the copier if necessary.
7) Replace the developer with new one.
CAUTION: Since the developer counter (SP64) for the developer
counter correction has been cleared, the old
developer cannot be used.
), Used Toner Tank (
) indicators will blink. This is to confirm
4-53
SERVICE REMARKS
)
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